Availability
BUICK Exhaust
Muffler, Quiet-Flow 3, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Cadillac, Chevy, Each
Part Number: WLK-21111
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 OE Replacement Steel 2.25 Inch Muffler 2087
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026
Air Pump, Electric, Buick, Chevrolet, Each
Part Number: SMP-AIP14
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Air Injection Pump
Part Number: SMP-AIP21
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
AIR Pump, Electric, Buick, Pontiac, 3.8L, Each
Part Number: SMP-AIP7
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Air Pump, Replacement, Electric, Buick, Chevrolet, GMC, Oldsmobile, Each
Part Number: SMP-AIP3
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, Buick, Chevy, Pontiac, 3.1L, 3.4L, Each
Part Number: MPE-4481433
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, Ceramic Honeycomb Substrate, 10.50 in. Overall Length, Front Right, Buick, 3.6L, Each
Part Number: APH-644143
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 9 in. Length, Each
Part Number: MPE-5561206
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Air Pump, Replacement, Electric, Buick, Chevrolet, GMC, Oldsmobile, Each
Part Number: SMP-AIP1
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Muffler, MSL, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, 5.0, 5.7L, Each
Part Number: APH-6537
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Muffler, MSL, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: APH-6564
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 12.250 in. Overall Length, Each
Part Number: APH-608416
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
MANIFOLD PRESSURE SENSOR
Part Number: HLN-2MAP0059
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Converter - OBDII By Design Universal
Part Number: CTO-2575
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 36.00 in. Length, Buick, Chevrolet, Pontiac, 5.3L, Each
Part Number: APH-642101
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, Ceramic Honeycomb Substrate, 59.00 in. Overall Length, Buick, Pontiac, Each
Part Number: APH-642981
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, Chevy, Oldsmobile, Pontiac, 3.1L, Each
Part Number: MPE-23498
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, Cadillac, Chevy, Oldsmobile, Pontiac, L4, V6, Each
Part Number: APH-3216
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Resonator, Steel, Aluminized, Buick, Each
Part Number: WLK-21222
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, Each
Part Number: MPE-49650
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 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: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 37.88 in. Overall Length, Buick, Pontiac, Each
Part Number: APH-642278
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, Pontiac, Car, 23.375 in. Length, Each
Part Number: CTO-4890
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 37.375 in. Length, 3.8L, Each
Part Number: CTO-4876
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Preconverter
Part Number: RNB-679-542
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
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