Availability
BUICK Exhaust
EPA OBDII Direct Fit Converter
Part Number: CTO-1345
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D370Y-B
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 12.75 in. Overall Length, Front Right, Buick, Each
Part Number: APH-641445
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pair
Part Number: DOU-D330-B
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Exh. Flange Bolt & Spring Kit
Part Number: FEL-ES72141
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 23.0 in. Length, V8, Each
Part Number: CTO-9133
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Catalytic Converter Clamp
Part Number: RNB-903-304
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Check Valve, AIR, Cast Aluminum, Natural, Buick, Cadillac, Each
Part Number: RNB-911-340
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Check Valve, AIR, Aluminum, Natural, Buick, Chevy, GMC, Saab, 4.2L, Each
Part Number: RNB-911-150
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
AIR Check Valve, Buick, Chevy, Each
Part Number: RNB-911-153
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Passenger Side, Cast Iron, Natural Finish, Buick, Chevy, GMC, Oldsmobile, Isuzu, Each
Part Number: RNB-674-777
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Cast Iron, Natural, Each
Part Number: RNB-674-778
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Rear, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, Each
Part Number: RNB-674-269
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Cast Iron, Natural, Each
Part Number: RNB-674-948
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold Kit
Part Number: RNB-674-154
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold Kit - Includes Required Hardware and Gaskets
Part Number: RNB-674-918
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, Each
Part Number: RNB-674-919
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Front, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, 3.4L, Each
Part Number: RNB-674-544
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter
Part Number: RNB-674-484
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold
Part Number: RNB-674-479
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -
Part Number: RNB-674-045
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converter, Catalytic Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
Part Number: RNB-674-063
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Cast Iron, Natural, GM V6, 3.3L, Rear Exit, Each
Part Number: RNB-674-526
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converter, Pre-Converter - Not CARB Compliant
Part Number: RNB-679-531
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Preconverter
Part Number: RNB-679-542
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
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