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2007 GMC Sierra 3500 Classic

2007 GMC Sierra 3500 Classic Catalytic Converters

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Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), without Pre-Converter, Cab & Chassis, 8 Cyl 6.0L, OEM Grade Series - Driver Side
Part Number: M6651659
Guaranteed to Fit
$281.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 8.1L Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L without Pre-Converter, Cab & Chassis
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L without Pre-Converter, Cab & Chassis
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L without Pre-Converter, Cab & Chassis
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L Without Pre-Converter
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 : 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
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Extended Cab Pickup, 8 Cyl 6.0L, OEM Grade Series -
Part Number: M6649644
Guaranteed to Fit
$973.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L Extended Cab Pickup
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Standard Cab Pickup
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Standard Cab Pickup
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Crew Cab Pickup
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 : Gaskets Included; 50.6 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 : 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
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), HM Grade Series
Part Number: M6623781
Guaranteed to Fit
$1,176.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Cab & Chassis, With 2.5 in. Diameter Outlet
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis, With 2.5 in. Diameter Outlet
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis, With 2.5 in. Diameter Outlet
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 : Gaskets Included; 25.5 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 : 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
Passenger Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, California Series
Part Number: M664551006
Guaranteed to Fit
$1,443.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L EO# D-193-145; With 2.5 in. Diameter Outlet; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L EO# D-193-145; With 2.5 in. Diameter Outlet; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L EO# D-193-145; With 2.5 in. Diameter Outlet; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L EO# D-193-145; With 2.5 in. Diameter Outlet; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584
Product Details
Location : Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 3 in. Main Piping Diameter; 8.75 in. Body Length x 5 in. Body Width x 5 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 Hangers and Gasket; 23.25 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-145Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : California SeriesTube Material : Stainless Steel
Driver Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, California Series
Part Number: M664551642
Guaranteed to Fit
$1,537.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L EO# D-193-145; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L EO# D-193-145; Eng Fam No: 7Gmxh08.1501; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 8.1L EO# D-193-145; Eng Fam No: 7Gmxh08.1501; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L EO# D-193-145; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L EO# D-193-145; Eng Fam No: 7Gmxh08.1501; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L EO# D-193-145; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L EO# D-193-145; Eng Fam No: 7Gmxh08.1501; Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L EO# D-193-145; Eng Fam No: 7Gmxh06.0583; Eng Fam No: 7Gmxh06.0584; Without Pre-Converter
Product Details
Location : Driver SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 3 in. Main Piping Diameter; 8.75 in. Body Length x 5 in. Body Width x 5 in. Body Height; 2.5 in. ID x 3 in. OD; Round Body Shape; Spun Body Type; Bolt-On Inlet Attachment; Clamp-On Outlet Attachment; Stainless Steel Material; Pre and Post Converter; Includes Clamp, Hangers and Gasket; 53 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-145Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : California SeriesTube Material : Stainless Steel
Passenger Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-143; Eng Fam No: 7Gmxk06.0388, California Series
Part Number: M665451006
Guaranteed to Fit
$1,553.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L EO# D-193-143; Eng Fam No: 7Gmxk06.0388
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L EO# D-193-143; Eng Fam No: 7Gmxk08.1201
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L EO# D-193-143; Eng Fam No: 7Gmxk06.0388
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L EO# D-193-143; Eng Fam No: 7Gmxk06.0388
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L EO# D-193-143; Eng Fam No: 7Gmxk08.1201
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L EO# D-193-143; Eng Fam No: 7Gmxk08.1201
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 8.1L EO# D-193-143; Eng Fam No: 7Gmxk08.1201
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L EO# D-193-143; Eng Fam No: 7Gmxk06.0388
Product Details
Location : Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 3 in. Main Piping Diameter; Bolt-On Inlet Attachment; Clamp-On Outlet Attachment; Stainless Steel Material; Ceramic Substrate Material; Includes Gasket(s) and Hanger(s); 24.63 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-143Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : California SeriesTube Material : Stainless Steel
Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), HM Grade Series
Part Number: M6693480
Guaranteed to Fit
$684.00
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L Cab & Chassis, Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Cab & Chassis, Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L Cab & Chassis, Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis, Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L Cab & Chassis, Without Pre-Converter
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis, Without Pre-Converter
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 : Gaskets Included; 61 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 : 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
Driver or Passenger Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Legal For Use In The States Of California And New York.; Efn # 7Gmxh06.0583; Efn # 7Gmxh06.0584, CalCat Series
Part Number: WK83404
Guaranteed to Fit
$289.99
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 7Gmxh06.0583; Efn # 7Gmxh06.0584
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 7Gmxh06.0583; Efn # 7Gmxh06.0584
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 7Gmxh06.0583; Efn # 7Gmxh06.0584
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Legal For Use In The States Of California And New York.; Efn # 7Gmxh06.0583; Efn # 7Gmxh06.0584
Product Details
Location : 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
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), transmissionmfrname : General Motors, Undercar, 8 Cyl 8.1L, ECO II Series -
Part Number: EAST50500
Guaranteed to Fit
$681.99
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L transmissionmfrname : General Motors, Undercar
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L transmissionmfrname : New Venture, Undercar
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 8.1L transmissionmfrname : General Motors, Undercar
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L transmissionmfrname : General Motors, Undercar
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L transmissionmfrname : General Motors, Undercar
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L transmissionmfrname : General Motors, Undercar
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L transmissionmfrname : New Venture, Undercar
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L transmissionmfrname : New Venture, Undercar
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 : 53.25 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 : 5-year or 50,000-mile Eastern 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.

Interchange Part Number : EC96030022Series : ECO II SeriesTube Material : Aluminized Steel
Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Standard Cab Pickup, Engine Family Number (EFN) 7GMXK06.0396, 8 Cyl CalCat Series
Part Number: WK83509
Guaranteed to Fit
$349.49
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis, 133.0 in. Wheelbase, Engine Family Number (EFN) 7GMXK06.0396
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L Crew Cab Pickup, Engine Family Number (EFN) 7GMXK06.0396
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis, 133.0 in. Wheelbase, Engine Family Number (EFN) 7GMXK06.0396
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Standard Cab Pickup, Engine Family Number (EFN) 7GMXK06.0396
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 13.25 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
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Standard Cab Pickup, 8 Cyl 6.0L, Ultra Series
Part Number: WK93239
Guaranteed to Fit
$135.99
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis;133.0 Wheelbase
  • 2007 GMC Sierra 3500 Classic SLT 8 Cyl 6.0L Extended Cab Pickup
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Standard Cab Pickup
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Standard Cab Pickup
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 : 13.25 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 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 : Ultra SeriesTube Material : Stainless Steel
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Cab & Chassis, 167.0 in. Wheelbase, 8 Cyl 6.0L
Part Number: APE645454
Guaranteed to Fit
$425.99
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L Cab & Chassis, 157.5 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Cab & Chassis, 157.5 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis, 167.0 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L Cab & Chassis, 157.5 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L Cab & Chassis, 157.5 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis, 167.0 in. Wheelbase
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
Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Cab & Chassis, 157.5 in. Wheelbase, 8 Cyl 6.0L
Part Number: APE645455
Guaranteed to Fit
$361.49
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L Cab & Chassis, 157.5 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Cab & Chassis, 133.0 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis, 167.0 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L Cab & Chassis, 133.0 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L Cab & Chassis, 133.0 in. Wheelbase
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis, 167.0 in. Wheelbase
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 : 57 in. Overall Length; 3 Bolt Welded Flange Inlet Type A; 3 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
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Cab & Chassis; With 3" Muffler Inlet, 8 Cyl 6.0L, Ultra Series
Part Number: WK53726
Guaranteed to Fit
$596.99
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L Cab & Chassis; With 3" Muffler Inlet
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Cab & Chassis; With 3" Muffler Inlet
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L Cab & Chassis; With 3" Muffler Inlet
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis; With 3" Muffler Inlet
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L Cab & Chassis; With 3" Muffler Inlet
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis; With 3" Muffler Inlet
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 : 25 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 Walker 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 : Ultra SeriesTube Material : Stainless Steel
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions, 8 Cyl 8.1L
Part Number: CAT9990
Guaranteed to Fit
$582.99
Vehicle Fitment
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 8.1L Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 6.0L Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions
  • 2007 GMC Sierra 3500 Classic SLE 8 Cyl 8.1L Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 6.0L Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions
  • 2007 GMC Sierra 3500 Classic SL 8 Cyl 8.1L Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions
  • 2007 GMC Sierra 3500 Classic WT 8 Cyl 6.0L Cab & Chassis, 133.0 in. Wheelbase, Federal Emissions
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 : 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 : 5-year or 50,000-mile Catco limited warranty on converter body with 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
Page 1 of 4 | Showing 1 - 15 of 46 results

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Product Questions & Answers

Q:Looking for a direct fit no weld cat for 2005 GMC Sierra Wt  6 liter 133 wheel base right side rear converter. There are two walker, what is the difference? Also see catco , eastern & magnaflow parts. Walker a magnaflow look like closer fits. Please advise on best option for cut and slip on/clamp option given post cat o2 sensor and muffler hanger on oe exhaust. Show Less
Bruce
A:BEST ANSWERHi Bruce, You missed mentioning what type of Sierra, is it 1500, 1500HD, 2500HH, 3500HD? You may check the fitment of the part manually - please enter your vehicle’s year, make, model, sub-model, and engine type, and type the part's name in the search box. 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
Grace G.
 
1 Question, 1 AnswerView all Q&As >

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P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2)In most cases, a vehicle with an inefficient catalytic converter will continue to run just fine. But if the converter is obstructed internally, it can cause poor engine performance and may even damage the engine in the long run.
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
Can You Drive Without a Catalytic Converter?
Can You Drive Without a Catalytic Converter?Technically, yes. Older cars ran just fine before catalytic converters became commonplace in the 1970s. So, if your question is whether your car will run without one, then it most certainly will. But the other question you should be asking is—should you risk it?  Removing or disabling the catalytic converter could
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)The PCM may disable the misfiring cylinder or cylinders in order to prevent further damage to the engine. Code P0316 is often listed in addition to one or more of the P0300 series codes that are associated with the misfiring cylinder/s.
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.
How to Tell If the Catalytic Converter is Clogged
How to Tell If the Catalytic Converter is CloggedA clogged catalytic converter will present symptoms, while a chemically failed cat con that’s not clogged typically just illuminates the check engine light or malfunction indicator lamp (MIL). Also, if the cat con that just fails chemically but doesn’t clog is not the light-off cat con (the cat con closest