BUICK Dorman Exhaust

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

Part Number: RNB-674-067

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Exhaust Manifold Kit - Includes Required Hardware and Gaskets

Part Number: RNB-674-918

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-484

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Catalytic Converter Clamp

Part Number: RNB-903-304

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Estimated Ship Date: Feb 19, 2026 if ordered today

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

Part Number: RNB-306-013

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Air Pump

Part Number: RNB-306-053

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Secondary Air Injection Check Valve

Part Number: RNB-306-056

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Check Valve, AIR, Aluminum, Natural, Buick, Chevy, GMC, Saab, 4.2L, Each

Part Number: RNB-911-150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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AIR Check Valve, Buick, Chevy, Each

Part Number: RNB-911-153

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Check Valve, AIR, Cast Aluminum, Natural, Buick, Cadillac, Each

Part Number: RNB-911-340

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Estimated Ship Date: Feb 18, 2026 if ordered today

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AIR Check Valve, Chevy, GMC, Oldsmobile, Saab, Each

Part Number: RNB-911-003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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AIR Check Valve, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RNB-911-004

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Estimated Ship Date: Feb 19, 2026 if ordered today

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

Part Number: RNB-306-012

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Estimated Ship Date: Feb 20, 2026 if ordered today

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

Part Number: RNB-674-785

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Estimated Ship Date: Feb 20, 2026 if ordered today

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

Part Number: RNB-674-990

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Exhaust Manifold Hardware Kit

Part Number: RNB-32110

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Estimated Ship Date: Feb 20, 2026 if ordered today

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