Availability
BUICK RIVIERA Exhaust
Converter - Direct Fit
Part Number: CTO-4890G
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each
Part Number: APH-608234
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 38.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each
Part Number: APH-642706
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 21.00 in. Overall Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each
Part Number: APH-642353
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each
Part Number: APH-608736
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Muffler, MSL, Buick, Cadillac, Oldsmobile Pontiac, Each
Part Number: APH-6578
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Cadillac Oldsmobile, Pontiac, V6, V8, Each
Part Number: APH-3439
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Exh. Flange Bolt & Spring Kit
Part Number: FEL-ES72141
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Pontiac, Each
Part Number: MPE-3322447
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Cadillac, Oldsmobile, Pontiac, 25.0 in. Length, V6, V8, Each
Part Number: MPE-23223
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Catalytic Converter, Universal Catalytic Converter - 2.5in.
Part Number: MPE-448306
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 22.75 in. Length, 4.1, 5.0L
Part Number: MPE-23447
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
MANIFOLD PRESSURE SENSOR
Part Number: HLN-2MAP0078
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
MANIFOLD PRESSURE SENSOR
Part Number: HLN-2MAP0256
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Oldsmobile, Pontiac, Car, 23.375 in. Length, Each
Part Number: CTO-4890
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 23.00 in. Overall Length, Buick, Oldsmobile, Pontiac, Each
Part Number: APH-645357
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Round Case, Front Muffler, Buick, Oldsmobile, Each
Part Number: APH-700446
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Oldsmobile, V6, V8, Each
Part Number: APH-2501
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Catalytic Converter, Universal Catalytic Converter - 3in.
Part Number: MPE-448309
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: MPE-3322015
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Muffler, MSL, Steel, Aluminized, Buick, Cadillac, Oldsmobile, V6, V8, Each
Part Number: APH-6541
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
MANIFOLD PRESSURE SENSOR
Part Number: HLN-2MAP6002
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Exhaust Pipes, Direct-Fit Intermediate Pipes, Steel, Aluminized, 2.500 in. O.D., Buick, Pontiac, Each
Part Number: BRE-102-8800
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each
Part Number: APH-604006
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
DIRECT-FIT CATALYTIC CONVERTER
Part Number: WLK-15817
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster