GMC SIERRA 2500 HD CLASSIC Dorman Exhaust

Exhaust Manifold, Cadillac, Chevy, GMC, Hummer, Pickup, SUV, Van, 4.8, 5.3, 6.0L, Driver Side, Each

Part Number: RNB-674-522

4.65 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Exhaust Manifold, Cast Iron, Passenger Side, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: RNB-674-732

3.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Exhaust Manifold Hardware, Bolts, Stainless Steel, Natural, 8mm x 1.25, 30mm Length, Cadillac, Chrysler, Chevy, Dodge, GMC, Set of 12

Part Number: RNB-03413HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Exhaust Clamp, Downpipe V-Band Clamp, Stainless, Natural, 3.50 in. Pipe Diameter, Chevy, GMC, Hummer, Each

Part Number: RNB-904-254

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

Part Number: RNB-674-736

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: RNB-674-729

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Estimated Ship Date: May 11, 2026 if ordered today

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Exhaust Manifold Heat Shield, Steel, Silver, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-674-522HS

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Estimated Ship Date: Today

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

Part Number: RNB-674-728

2.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Ceramic Manifold, GENERAL MOTORS 2020-99

Part Number: RNB-674-522XD

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Estimated Ship Date: May 12, 2026 if ordered today

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Exhaust Manifold Heat Shield, Steel, Silver, Chevrolet, GMC, Each

Part Number: RNB-674-736HS

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Estimated Ship Date: May 11, 2026 if ordered today

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Ceramic Manifold

Part Number: RNB-674-732XD

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Estimated Ship Date: May 11, 2026 if ordered today

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Exhaust Manifold Hardware, for Flange, 12-Point Bolts w/Integrated Washers, 9.81mm Thread, 10.9 Grade Steel, Black Phosphate Finish, GM, Set of 12

Part Number: RNB-32109

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Estimated Ship Date: May 11, 2026 if ordered today

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Exhaust Clamp

Part Number: RNB-903-308

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Estimated Ship Date: May 12, 2026 if ordered today

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