Availability
BUICK Exhaust
Catalytic Converter
Part Number: MPE-557000
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 35.5 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-557914
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Exhaust Manifold
Part Number: ATP-101545
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
AIR Check Valve, Buick, Chevy, Each
Part Number: RNB-911-153
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Preconverter
Part Number: RNB-679-543
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 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: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Direct-Fit Exhaust System Replacement Kit
Part Number: BRE-106-0898
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Muffler, 1.75 in. Offset Inlet, 1.75 in. Center Outlet, 21.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each
Part Number: BRE-100-1751
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Check Valve, AIR, Aluminum, Natural, Buick, Chevy, GMC, Saab, 4.2L, Each
Part Number: RNB-911-150
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Front, Each
Part Number: MPE-49191
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, 17.00 in. Length, Buick, Chevy, Each
Part Number: CTO-1532
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 12.00 in. Overall Length, Each
Part Number: APH-608294
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
AIR Injection Bypass Valve, A.I.R. Diverter Valve, Cast Aluminum, Natural, Buick, Chevy, GMC, Saab, Each
Part Number: SMP-DV133
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, Each
Part Number: APH-3005
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Length, Chevy, Ford, Mazda, Volkswagen, Each
Part Number: APH-608225
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 3.000 in. Slip Fit Inlet, 2.750 in. Slip Fit Outlet, 16.500 in. Overall Length, Each
Part Number: WLK-84507
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each
Part Number: WLK-83408
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Resonator, Steel, Aluminized, Inlet Diameter 2.000 in., Outlet Diameter 2.500 in., Buick, GMC, Each
Part Number: WLK-53990
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 24.00 in. Overall Length, Buick, Cadillac, Oldsmobile, Each
Part Number: WLK-18831
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Quiet-Flow Exhaust Muffler
Part Number: WLK-22831
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, Buick, Pontiac, 3.4L, Each
Part Number: WLK-55418
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust Direct-Fit Catalytic Converters for 2001-2005 AZTEK, 2002-2005 RENDEZVOUS - 642981
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Intermediate Pipe, Extension Pipe, 2.25 in. O.D., Steel, Aluminized, Buick, Chevy, Pontiac, Saturn, Each
Part Number: WLK-52496
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Ultra EPA Catalytic Converter
Part Number: WLK-14743
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 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