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2003 Chevrolet Tahoe

2003 Chevrolet Tahoe Catalytic Converters

Your 2003 Chevrolet Tahoe is at risk of failing its emissions test until you replace its damaged catalytic converter with a new one. Fortunately, CarParts.com has a great selection of 2003 Chevrolet Tahoe catalytic converters that are on hand and ready to ship. Choose between stainless and aluminized steel cat-cons, and check out securely in a matter of minutes. Check out our products below, and grab the best deal on a Chevrolet Tahoe catalytic converter today!
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Front Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), RWD, 8 Cyl 5.3L, Direct Replacement Series - Front
Part Number: REPG960301
Guaranteed to Fit
$267.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L 4WD
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L 4WD
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L RWD
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L 4WD
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : With 50.5 in. overall length, Driver and Passenger Side AssemblyRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/63005NN, N/TB6000/63005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 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 : 18010Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver or 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), Cutting And Welding Required, 8 Cyl 4.8L, OEM Grade Series
Part Number: M6651206
Guaranteed to Fit
$194.00
Vehicle Fitment
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L Cutting And Welding Required
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L Cutting And Welding Required
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L Cutting And Welding Required
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L Cutting And Welding Required
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L Cutting And Welding Required
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L Cutting And Welding Required
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 : 13.75 in. L x 5 in. W x 4.75 in. HRestricted 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.

Promotions : Magnaflow Catalytic Converter SaleSeries : OEM Grade SeriesTube Material : Stainless Steel
Front Ultra Series Catalytic Converter, 8Cyl., 5.3L Engine, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME) Driver and Passenger side Assembly
Part Number: WK50511
Guaranteed to Fit
$402.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L Driver and Passenger side Assembly
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L Driver and Passenger side Assembly
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L Driver and Passenger side Assembly
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L Driver and Passenger side Assembly
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L Driver and Passenger side Assembly
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L Driver and Passenger side Assembly
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 50.5 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.

Interchange Part Number : 93419Series : Ultra SeriesTube Material : Stainless Steel
Front Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), RWD, 8 Cyl 4.8L, Exact Fit Series - Front
Part Number: DAV18010
Guaranteed to Fit
$406.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L 4WD
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L 4WD
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L RWD
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L 4WD
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 45.5 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.

Interchange Part Number : REPG960301Series : Exact Fit SeriesTube Material : Aluminized Steel
Front, 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), RWD, 8 Cyl 5.3L, Exact Fit Series
Part Number: DAV180102
Guaranteed to Fit
$199.49
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L 4WD
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L 4WD
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L RWD
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L 4WD
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 : 39 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
Front Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 4WD, Dealer Alternative, 8 Cyl 5.3L, Exact Fit Series
Part Number: DAV48010
Guaranteed to Fit
$755.49
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L RWD, Dealer Alternative
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L RWD, Dealer Alternative
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD, Dealer Alternative
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L 4WD, Dealer Alternative
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L RWD, Dealer Alternative
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L 4WD, Dealer Alternative
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : Dealer alternative high capacity converter; 45.5 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
Front, Driver Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, 4WD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3, Exact Fit Series
Part Number: DAV268945
Guaranteed to Fit
$1,029.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L RWD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3
Product Details
Location : Front, Driver SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 27 in. W x 10 in. H; 35.5 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-709-1Gasket 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
Front, Passenger Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Exact Fit Series
Part Number: DAV268946
Guaranteed to Fit
$1,144.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L RWD, Test Group Name: 3Gmxt05.3185,Std: LEV1 ULEV; Weight Class: Mdv3
Product Details
Location : Front, Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 9 in. W x 10 in. H; 39 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-709-1Gasket 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 Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184, 4.8L, Exact Fit Series
Part Number: DAV269153
Guaranteed to Fit
$1,133.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185
Product Details
Location : Driver SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 27 in. W x 10 in. H; 35.5 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-709-1Gasket 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
Passenger Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185, Exact Fit Series
Part Number: DAV269154
Guaranteed to Fit
$1,295.99
Vehicle Fitment
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 LEV; 3Gmxt05.3184
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L 4WD, Oe System Is A Welded Assembly; Mdv3; 2Twc; LEV1 ULEV; 3Gmxt05.3185
Product Details
Location : Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 9 in. W x 10 in. H; 39 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-709-1Gasket 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
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: M6693419
Guaranteed to Fit
$595.00
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L
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; 41.75 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
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M66445006
Guaranteed to Fit
$554.00
Vehicle Fitment
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L EO# D-193-100; Eng Fam No: 3Gmxt05.3184; Cutting And Welding Required
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L EO# D-193-100; Eng Fam No: 3Gmxt05.3184; Cutting And Welding Required
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L EO# D-193-100; Eng Fam No: 3Gmxt05.3184; Cutting And Welding Required
Product Details
Location : Driver or Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 2.25 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
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 8 Cyl 5.3L, OEM Grade Series -
Part Number: M6651097
Guaranteed to Fit
$624.00
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L
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; 41.75 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.

Interchange Part Number : 93419Series : 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), HM Grade Series
Part Number: M6699206HM
Guaranteed to Fit
$178.00
Vehicle Fitment
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L Cutting and Welding Required During Installation
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L Cutting and Welding Required During Installation
  • 2003 Chevrolet Tahoe LS 8 Cyl 4.8L Cutting and Welding Required During Installation
  • 2003 Chevrolet Tahoe LT 8 Cyl 4.8L Cutting and Welding Required During Installation
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L Cutting and Welding Required During Installation
  • 2003 Chevrolet Tahoe Z71 8 Cyl 4.8L Cutting and Welding Required During Installation
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 : 2.25 in. Inlet/2.5 in. 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 : HM Grade SeriesTube Material : Stainless Steel
Driver or Passenger Side Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-115; Eng Fam No: 3Gmxt05.3185; Cutting And Welding Required, California Series
Part Number: M66455005
Guaranteed to Fit
$582.00
Vehicle Fitment
  • 2003 Chevrolet Tahoe LS 8 Cyl 5.3L EO# D-193-115; Eng Fam No: 3Gmxt05.3185; Cutting And Welding Required
  • 2003 Chevrolet Tahoe Z71 8 Cyl 5.3L EO# D-193-115; Eng Fam No: 3Gmxt05.3185; Cutting And Welding Required
  • 2003 Chevrolet Tahoe LT 8 Cyl 5.3L EO# D-193-115; Eng Fam No: 3Gmxt05.3185; Cutting And Welding Required
Product Details
Location : Driver Or Passenger SideEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 2.25 in. Inlet/Outlet; 16 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-115Gasket 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 : California SeriesTube Material : Stainless Steel
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Product Questions & Answers

Q:Hello  What is the difference between this one and the one that cost 194 i think its part number 53206? Show Less
Gumaro G.
A:BEST ANSWERHi Gumaro, Thanks for initiating contact. The one that costs $194.00 (51204) is a Federal EPA Standard, 46-State Legal converter, while this one (455005) is a CARB and Federal EPA Standards, 50-State Legal converter. Check the Vehicle Emission Control Information sticker, usually found underneath the hood, to see if it matches the emission control specifications. Federal emissions (46-state) stickers will simply say, "This vehicle conforms to U.S. EPA regulations," whereas California-emissions (50-state, CARB) vehicles will say, "This vehicle conforms to U.S. EPA and the State of California regulations." Let me provide you with both links below so you can choose the right one to order. Please make sure to check the vehicle information matches these products. I hope this helps and enjoy shopping! Federal - https://www.carparts.com/catalytic-converter/magnaflow/m6651204?can=CPGG4850_CSQA_20240514 CARB 50-State - https://www.carparts.com/catalytic-converter/magnaflow/m66455005?can=CPGG4850_CSQA_20240514 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >

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P0430 Code: Catalyst System Efficiency Below Threshold  (Bank 2)
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P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
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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