{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2004 Chevrolet Silverado 3500
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2004 Chevrolet Silverado 3500

2004 Chevrolet Silverado 3500 Catalytic Converters

Refine by:

Shop Catalog

Showing 1 - 15 of 51 results
Display item:
15
30
45
Sort by:
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M66447209
Guaranteed to Fit
$390.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
Product Details
Location : RearEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 3 in. Inlet/Outlet; 13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-103Gasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Front, Passenger Side Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Davico®
Front, Passenger Side Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: DAV19430
Guaranteed to Fit
$359.99
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000
Product Details
Location : Front, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : Illegal for installation in NY on vehicles equipped with California emission systems; 50.25 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Exact Fit SeriesTube Material : Aluminized Steel
Rear, Passenger Side Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Davico®
Rear, Passenger Side Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: DAV19286
Guaranteed to Fit
$470.99
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000; Outlet Fits Over 3"Od Pipe
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000; Outlet Fits Over 3"Od Pipe
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000; Outlet Fits Over 3"Od Pipe
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000; Outlet Fits Over 3"Od Pipe
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000; Outlet Fits Over 3"Od Pipe
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L Cab & Chassis, With California Emission; Oe Is Welded Assembly. Cut To Fit.; Gvw 10,000 - 14,000; Outlet Fits Over 3"Od Pipe
Product Details
Location : Rear, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 27.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Exact Fit SeriesTube Material : Aluminized Steel
Driver Side Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Davico®
Driver Side Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: DAV19459
Guaranteed to Fit
$389.49
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 8.1L With Federal Emission
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L With Federal Emission
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.0L With Federal Emission
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L With Federal Emission
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L With Federal Emission
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L With Federal Emission
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L With Federal Emission
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L With Federal Emission
Product Details
Location : Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 63 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Exact Fit SeriesTube Material : Aluminized Steel
OEM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
OEM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6651659
Guaranteed to Fit
$281.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L California Emissions Equipped Vehicles Registered Outside Of California; Low Emissions Vehicles (LEV), Extended Cab Pickup
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L California Emissions Equipped Vehicles Registered Outside Of California; Low Emissions Vehicles (LEV), Extended Cab Pickup
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.0L California Emissions Equipped Vehicles Registered Outside Of California; Low Emissions Vehicles (LEV), Extended Cab Pickup
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L California Emissions Equipped Vehicles Registered Outside Of California; Low Emissions Vehicles (LEV), Crew Cab Pickup
Product Details
Location : Front, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 3 in. Inlet/OutletProduct Fit : Semi-Universal (Welding Required)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
Standard Cab Pickup OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
Standard Cab Pickup OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6652494
Guaranteed to Fit
$348.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L Standard Cab Pickup, Low Emission Vehicle (Lev); Except Low Emission Vehicle (Lev)
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L Standard Cab Pickup, Low Emission Vehicle (Lev); Except Low Emission Vehicle (Lev)
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L Standard Cab Pickup, Except Low Emission Vehicle (Lev)
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L Standard Cab Pickup, Low Emission Vehicle (Lev); Except Low Emission Vehicle (Lev)
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L Standard Cab Pickup, Except Low Emission Vehicle (Lev)
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L Standard Cab Pickup, Except Low Emission Vehicle (Lev)
Product Details
Location : Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : (1) Converter Quantity; 3 in. Main Piping Diameter; 8.75 in. Body Length x 4 in. Body Width x 4 in. Body Height; 3 in. ID x 3 in. OD; Round Body Shape; Spun Body Type; Bolt-On Inlet Attachment; Clamp-On Outlet Attachment; Stainless Steel Material; Post Converter; Includes Clamp and Hangers; 23.75 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warranty on Construction; 25,000-mile Magnaflow limited warranty on EmissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Part Number: M6660121
Guaranteed to Fit
$506.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.6L
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.6L
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.6L
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.6L
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : Round body; 12 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile Limited WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Part Number: M6660120
Guaranteed to Fit
$506.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.6L DIESEL, With Duramax Engine
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.6L DIESEL, With Duramax Engine
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.6L DIESEL, With Duramax Engine
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.6L DIESEL, With Duramax Engine
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 3.5 in. Inlet/Outlet; 12 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 25,000 Mile Limited WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : HM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M66447109
Guaranteed to Fit
$523.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L EO# D-193-103; Eng Fam No: 4Gmxt08.1201; Cutting And Welding Required
Product Details
Location : FrontEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 3 in. Inlet/Outlet; 13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-103Gasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M66445009
Guaranteed to Fit
$554.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L EO# D-193-100; Eng Fam No: 4Gmxt06.0188; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L EO# D-193-100; Eng Fam No: 4Gmxt06.0188; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.0L EO# D-193-100; Eng Fam No: 4Gmxt06.0188; Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L EO# D-193-100; Eng Fam No: 4Gmxt06.0188; Cutting And Welding Required
Product Details
Location : Front or RearEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 3 in. Inlet/Outlet; 16 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-100Gasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
HM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
HM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6660501
Guaranteed to Fit
$771.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.6L
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.6L
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.6L
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.6L
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 45.75 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : HM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Part Number: M6651759
Guaranteed to Fit
$237.00
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.6L Cutting And Welding Required; Not Permitted For Use in The State Of Colorado
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L Standard Cab Pickup, Except Low Emission Vehicle (Lev); Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L Standard Cab Pickup, Except Low Emission Vehicle (Lev); Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L Standard Cab Pickup, Except Low Emission Vehicle (Lev); Cutting And Welding Required
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.6L Cutting And Welding Required; Not Permitted For Use in The State Of Colorado
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.6L Cutting And Welding Required; Not Permitted For Use in The State Of Colorado
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.6L Cutting And Welding Required; Not Permitted For Use in The State Of Colorado
Product Details
Location : Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 4 in. Width, 11.5 in. Length, 11.5 in. Overall Length with 3 in. Inlet and outlet diameter; 11.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 25,000 Mile Limited WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Walker®
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: WK83404
Guaranteed to Fit
$289.99
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 8.1L Legal For Use In The States Of California And New York.; Efn # 4Gmxh08.1501; Efn # 4Gmxt08.1201
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 4Gmxh06.0583; Efn # 4Gmxt06.0188
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L Legal For Use In The States Of California And New York.; Efn # 4Gmxh08.1501; Efn # 4Gmxt08.1201
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L Legal For Use In The States Of California And New York.; Efn # 4Gmxh08.1501; Efn # 4Gmxt08.1201
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L Legal For Use In The States Of California And New York.; Efn # 4Gmxh08.1501; Efn # 4Gmxt08.1201
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 4Gmxh06.0583; Efn # 4Gmxt06.0188
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 4Gmxh06.0583; Efn # 4Gmxt06.0188
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 4Gmxh06.0583; Efn # 4Gmxt06.0188
Product Details
Location : Front or Rear, Driver or Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 12 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-182-69Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Walker limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : CalCat SeriesTube Material : Stainless Steel
Passenger Side Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
AP Exhaust®
Passenger Side Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: APE645454
Guaranteed to Fit
$425.99
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 8.1L Crew Cab Pickup, 157.5 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L Crew Cab Pickup, 167.0 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.0L Extended Cab Pickup, 157.5 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L Crew Cab Pickup, 157.5 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L Extended Cab Pickup, 157.5 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L Extended Cab Pickup, 157.5 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L Extended Cab Pickup, 167.0 in. wheelbase, Exc. HD Series and Cab-Chassis Models
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L Extended Cab Pickup, 157.5 in. wheelbase, Exc. HD Series and Cab-Chassis Models
Product Details
Location : Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 30.5 in. Overall Length; 2 Bolt Welded Flange Inlet Type A; 2.85 in. OD Pipe Outlet Type A; Ceramic Substrate MaterialType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Tube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Eastern®
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Part Number: EAST70857
Guaranteed to Fit
$241.99
Vehicle Fitment
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 8.1L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 8.1L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 LT 8 Cyl 6.0L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 6.0L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 WT 8 Cyl 8.1L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 8.1L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 Base 8 Cyl 6.0L California Emissions, Undercar
  • 2004 Chevrolet Silverado 3500 LS 8 Cyl 6.0L California Emissions, Undercar
Product Details
Location : Driver or Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 3 in. Inlet and Outlet Diameter; Without O2 Sensor Port; 16 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : 5-year or 50,000-mile Eastern limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Tube Material : Aluminized Steel
Page 1 of 4 | Showing 1 - 15 of 51 results

Popular Products

Product Questions & Answers

AP Exhaust Passenger Side Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
$425.99
Q:Need one for calif?
Richard W.
A:BEST ANSWERHi Richard, thank you for reaching out. Kindly call our parts team at 1-866-529-0412, so we can help you look for the correct catalytic converter based on your complete vehicle information. Hope to hear from you soon. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Walker No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
$289.99
Q:What is the pipe diameter on this cat?
Dana H.
A:BEST ANSWERHi Dana, I'm more than happy to help. The inlet and outlet pipe inside diameter of this item are 3 inches. You can take advantage of our 30-day post-purchase Price Match guarantee. Click this link to order this part: https://www.carparts.com/catalytic-converter/walker/wk83404?can=CPAP3648_CSQA_20221008 I hope this helps. Enjoy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Eastern No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
$241.99
Q:Can this be used in the front or rear?
chris p.
A:BEST ANSWERHi Chris, This is for the front, driver side applicable to several Chevrolet models. To check the fitment please use our Vehicle Selector — which can be found towards the top of the homepage as well as all categories, search results, and product pages — can help verify if a part will fit your specific application. To enter your application, simply select your vehicle’s year, make, model, sub-model, and engine type and click “Go.” Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page. Show less
Aldrin P.
 
2 Questions, 1 AnswerView all Q&As >