Availability
BUICK Exhaust
Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each
Part Number: APH-608734
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Oldsmobile, 3.3L, Each
Part Number: MPE-23423
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
DIRECT-FIT CATALYTIC CONVERTER
Part Number: WLK-15817
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Saturn, 3.6L, Rear, Each
Part Number: MPE-51579
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Front Position, 12.625 in. Overall Length, Chevrolet, 2.5L, Each
Part Number: MPE-52889
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Mufflers-Quiet-Flow
Part Number: WLK-22223
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Ultra EPA Catalytic Converter
Part Number: WLK-16871
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Each
Part Number: WLK-16776
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 9.125 in. Length, Each
Part Number: MPE-5421205
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Preconverter
Part Number: RNB-679-545
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, Buick, Pontiac, Each
Part Number: MPE-24205
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat shield, Buick, Chevrolet, Saturn, Each
Part Number: WLK-55620
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:
AP Exhaust Direct-Fit Catalytic Converters for 2007 RELAY, TERRAZA, 2007-2008 UPLANDER - 643029
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
CalCat CARB Catalytic Converter
Part Number: WLK-81301
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Chevrolet, Pontiac, Saturn, Each
Part Number: WLK-55587
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:
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Rear Position, 18.625 in. Overall Length, Chevrolet, Buick, 1.4L, Each
Part Number: MPE-52966
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 13.00 in. Overall Length, Front Left, Buick, 3.6L, Each
Part Number: APH-641564
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.63 in. Slip Fit Outlet, 23.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each
Part Number: APH-645410
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 2.250 in. Slip Fit Inlet, 2.250 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-82529
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
EPA OBDII Direct Fit Converter 09-11 Buick Lucerne 6 cyl., 3.9L, front
Part Number: CTO-5222
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Catalytic Converter, 12-15 4 Cyl. Buick Verano, 2.4L Engine, Front 10-16 4 Cyl. Buick LaCrosse, 2.4L Engine, Front
Part Number: APH-644092
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 18 in. Length, Each
Part Number: WLK-15142
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Each
Part Number: WLK-52507
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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