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Dorman

2003 Dorman Catalytic Converters

Showing In Stock Items. Show All 81 Items.

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Results 1 - 25 of 67

Dorman Direct-Fit Catalytic Converters for 2003-2006 SENTRA - 679-514

Dorman Direct-Fit Catalytic Converters for 2003-2006 SENTRA - 679-514

Dorman Direct-Fit Catalytic Converters for 2003-2006 SENTRA - 679-514

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

Part Number: RNB-679-514

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2001-2006 SEBRING, STRATUS - 679-500

Dorman Direct-Fit Catalytic Converters for 2001-2006 SEBRING, STRATUS - 679-500

Dorman Direct-Fit Catalytic Converters for 2001-2006 SEBRING, STRATUS - 679-500

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME

Part Number: RNB-679-500

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2002-2006 ALTIMA, 2004-2008 MAXIMA, 2004-2006 QUEST - 674-487

Dorman Direct-Fit Catalytic Converters for 2002-2006 ALTIMA, 2004-2008 MAXIMA, 2004-2006 QUEST - 674-487

Dorman Direct-Fit Catalytic Converters for 2002-2006 ALTIMA, 2004-2008 MAXIMA, 2004-2006 QUEST - 674-487

Catalytic Converter, Manifold Preconverter

Part Number: RNB-674-487

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-972

Dorman Direct-Fit Manifold Catalytic Converters 674-972

Dorman Direct-Fit Manifold Catalytic Converters 674-972

Integrated Manifold - Tubular - Includes Hardware

Part Number: RNB-674-972

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-973

Dorman Direct-Fit Manifold Catalytic Converters 674-973

Dorman Direct-Fit Manifold Catalytic Converters 674-973

Integrated Manifold - Tubular - Includes Hardware

Part Number: RNB-674-973

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2006 OPTIMA, 1999-2005 SONATA, 2003-2006 TIBURON - 673-630

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2006 OPTIMA, 1999-2005 SONATA, 2003-2006 TIBURON - 673-630

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2006 OPTIMA, 1999-2005 SONATA, 2003-2006 TIBURON - 673-630

Manifold Converter, Cast Iron, Natural, Rear, Hyundai, Kia, Each

Part Number: RNB-673-630

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 CAMRY, 2002-2003 ES300 - 673-873

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 CAMRY, 2002-2003 ES300 - 673-873

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 CAMRY, 2002-2003 ES300 - 673-873

Manifold Converter, Stainless Steel, Natural, Rear, Lexus, Toyota, Each

Part Number: RNB-673-873

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2003-2004 6 - 673-837

Dorman Direct-Fit Manifold Catalytic Converters for 2003-2004 6 - 673-837

Dorman Direct-Fit Manifold Catalytic Converters for 2003-2004 6 - 673-837

Manifold Converter, Stainless Steel, Natural, Rear, Mazda, Each

Part Number: RNB-673-837

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-018

Dorman Direct-Fit Manifold Catalytic Converters 674-018

Dorman Direct-Fit Manifold Catalytic Converters 674-018

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-018

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2003-2004 4RUNNER, GX470 - 673-113

Dorman Direct-Fit Manifold Catalytic Converters for 2003-2004 4RUNNER, GX470 - 673-113

Dorman Direct-Fit Manifold Catalytic Converters for 2003-2004 4RUNNER, GX470 - 673-113

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Carb Compliant - For Legal Sale In

Part Number: RNB-673-113

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2004 SPECTRA - 674-033

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2004 SPECTRA - 674-033

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2004 SPECTRA - 674-033

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-033

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2002 FRONTIER, 2002-2004 XTERRA - 673-816

Dorman Direct-Fit Manifold Catalytic Converters for 2002 FRONTIER, 2002-2004 XTERRA - 673-816

Dorman Direct-Fit Manifold Catalytic Converters for 2002 FRONTIER, 2002-2004 XTERRA - 673-816

Catalytic Converter, Direct-Fit, Stock Flange, for Nissan, Left, Each

Part Number: RNB-673-816

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2002 FRONTIER, 2002-2004 XTERRA - 673-818

Dorman Direct-Fit Manifold Catalytic Converters for 2002 FRONTIER, 2002-2004 XTERRA - 673-818

Dorman Direct-Fit Manifold Catalytic Converters for 2002 FRONTIER, 2002-2004 XTERRA - 673-818

Exhaust Manifold, Cast Iron, Natural, Passenger Side, Catalytic Converter, Stainless Steel, for Nissan, Each

Part Number: RNB-673-818

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2005 525I, 530I, 2001-2006 X5 - 674-897

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2005 525I, 530I, 2001-2006 X5 - 674-897

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2005 525I, 530I, 2001-2006 X5 - 674-897

Exhaust Manifold Converter Kit

Part Number: RNB-674-897

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 ALTIMA, SENTRA - 672-9591

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 ALTIMA, SENTRA - 672-9591

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 ALTIMA, SENTRA - 672-9591

Manifold Converter, Manifold Converter - CARB Compliant

Part Number: RNB-672-9591

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 ALTIMA, 2004-2008 MAXIMA - 678-507

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 ALTIMA, 2004-2008 MAXIMA - 678-507

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 ALTIMA, 2004-2008 MAXIMA - 678-507

Manifold Converter - CARB Compliant

Part Number: RNB-678-507

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2006 OPTIMA, 2001-2003 SANTA FE, 1999-2005 SONATA - 678-515

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2006 OPTIMA, 2001-2003 SANTA FE, 1999-2005 SONATA - 678-515

Dorman Direct-Fit Manifold Catalytic Converters for 2001-2006 OPTIMA, 2001-2003 SANTA FE, 1999-2005 SONATA - 678-515

Manifold Converter - CARB Compliant

Part Number: RNB-678-515

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 CAMRY, SOLARA - 672-8111

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 CAMRY, SOLARA - 672-8111

Dorman Direct-Fit Manifold Catalytic Converters for 2002-2006 CAMRY, SOLARA - 672-8111

Manifold Converter - CARB Compliant

Part Number: RNB-672-8111

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 672-882

Dorman Direct-Fit Manifold Catalytic Converters 672-882

Dorman Direct-Fit Manifold Catalytic Converters 672-882

Catalytic Converter, Direct-Fit Manifold Catalytic Converter, Stock Inlet Diameter, Stainless Case, Ceramic Substrate, Front, Lexus, Toyota, Each

Part Number: RNB-672-882

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2003-2007 MURANO - 679-523

Dorman Direct-Fit Catalytic Converters for 2003-2007 MURANO - 679-523

Dorman Direct-Fit Catalytic Converters for 2003-2007 MURANO - 679-523

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME

Part Number: RNB-679-523

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters 679-519

Dorman Direct-Fit Catalytic Converters 679-519

Dorman Direct-Fit Catalytic Converters 679-519

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME

Part Number: RNB-679-519

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2003-2007 MURANO, 2004-2006 QUEST - 678-5071

Dorman Direct-Fit Catalytic Converters for 2003-2007 MURANO, 2004-2006 QUEST - 678-5071

Dorman Direct-Fit Catalytic Converters for 2003-2007 MURANO, 2004-2006 QUEST - 678-5071

Pre-Converter - CARB Compliant

Part Number: RNB-678-5071

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 1996-2004 PATHFINDER, 1997-2003 QX4 - 679-509

Dorman Direct-Fit Catalytic Converters for 1996-2004 PATHFINDER, 1997-2003 QX4 - 679-509

Dorman Direct-Fit Catalytic Converters for 1996-2004 PATHFINDER, 1997-2003 QX4 - 679-509

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME

Part Number: RNB-679-509

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2002-2004 I35, 2002-2003 MAXIMA - 679-512

Dorman Direct-Fit Catalytic Converters for 2002-2004 I35, 2002-2003 MAXIMA - 679-512

Dorman Direct-Fit Catalytic Converters for 2002-2004 I35, 2002-2003 MAXIMA - 679-512

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME

Part Number: RNB-679-512

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2000-2004 PATHFINDER, 2001-2003 QX4 - 679-510

Dorman Direct-Fit Catalytic Converters for 2000-2004 PATHFINDER, 2001-2003 QX4 - 679-510

Dorman Direct-Fit Catalytic Converters for 2000-2004 PATHFINDER, 2001-2003 QX4 - 679-510

Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME

Part Number: RNB-679-510

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

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