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GMC Dorman Exhaust

Showing In Stock Items. Show All 24 Items.

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Results 1 - 22 of 22

Dorman Exhaust Manifolds 674-278

Exhaust Manifold, Driver Side Only, Cast Iron, Natural, Chevy, GMC, 305, 350, Each

Part Number: RNB-674-278

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Exhaust Manifolds 674-390

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Pickup, 7.4L, Passenger Side, Each

Part Number: RNB-674-390

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Direct-Fit Catalytic Converters 674-068

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

Part Number: RNB-674-068

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Exhaust Manifolds 674-729

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Each

Part Number: RNB-674-729

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Exhaust Manifolds 674-860

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Each

Part Number: RNB-674-860

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Exhaust Manifolds 674-428

Exhaust Manifold

Part Number: RNB-674-428

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2004-2006 CANYON, COLORADO, 2006 I-280 - 674-851

Integrated Manifold - Cast - Includes Hardware

Part Number: RNB-674-851

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Exhaust Manifolds for 1994-1997 S10, SONOMA - 674-887

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Each

Part Number: RNB-674-887

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Exhaust Manifolds 674-738

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-738

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Exhaust Manifolds 674-5602

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-5602

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2017 TERRAIN, EQUINOX, 2012-2015 CAPTIVA SPORT - 679-574

Pre-Converter - Not CARB Compliant

Part Number: RNB-679-574

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Exhaust Manifolds 674-785

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: RNB-674-785

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Exhaust Flange Hardware Kits 674-990

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: RNB-674-990

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Electric AIR Pumps 306-013

A.I.R. Pump, Electric, Buick, Chevy, GMC, Each

Part Number: RNB-306-013

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Diesel Emission Fluid Pumps 904-607

Diesel Exhaust Fluid (DEF) Pump, Diesel Emission Fluid Pump

Part Number: RNB-904-607

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Exhaust Manifolds for 2000-2003 S10, SONOMA - 674-675

Exhaust Manifold, Chevy, GMC, Pickup, 2.2L, Gm 4-Cylinder, Each

Part Number: RNB-674-675

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2010-2017 EQUINOX, TERRAIN - 674-483

Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-483

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2011 EQUINOX, TERRAIN - 674-486

Catalytic Converter, Manifold Preconverter

Part Number: RNB-674-486

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2012-2017 EQUINOX, TERRAIN - 674-046

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

Part Number: RNB-674-046

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters 674-067

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

Part Number: RNB-674-067

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2015-2016 CANYON, COLORADO - 674-082

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

Part Number: RNB-674-082

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2015-2016 CANYON, COLORADO - 674-083

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

Part Number: RNB-674-083

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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