Availability
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: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 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: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Muffler, MSL, Steel, Aluminized, Buick, Chevy, GMC, Oldsmobile, Pontiac, V6, V8, Each
Part Number: APH-6540
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Muffler, MSL, Buick, Chevy, Oldsmobile Pontiac, Each
Part Number: APH-6579
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
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: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each
Part Number: APH-608735
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converter, California Grade, Universal, Stainless Steel Case, 16.000 in. Overall Length, 2.000 in. Inlet/Outlet, Each
Part Number: MPE-448304
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Mail - In Rebate
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 21.50 in. Length, 5.0, 5.7, 6.6L, Each
Part Number: MPE-93431
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, Chevy, Oldsmobile, Pontiac, 3.4L, Each
Part Number: MPE-23522
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, Each
Part Number: MPE-23498
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 33.5 in. Length, 2.5, 2.8, 3.1L, Each
Part Number: MPE-23480
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
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: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Chevy, GMC, Each
Part Number: MPE-3322418
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converters, California Compliant, Direct-Fit
Part Number: MPE-3322431
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, 2.00 in. Inlet, 2.00 in. Outlet, 15.0 in. Length, Universal, Each
Part Number: MPE-418004
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Mail - In Rebate
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, Chevy, 3.1L, Center, Each
Part Number: MPE-51814
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Mail - In Rebate
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Rebate Expires: 12/31/2025
Estimated Ship Date: Nov 25, 2025 if ordered today
Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pair
Part Number: DOU-D330-B
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D370Y-B
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Muffler, SoundFX, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: WLK-18345
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025
Headers, Mid-Length, 304 Stainless Steel, Natural, Chevy Small Back, Pair
Part Number: HED-62600
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, L4, V6, Each
Part Number: APH-3321
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Muffler, SoundFX, 2 in. Inlet/1 7/8 in. Outlet, Steel, Aluminized, Oldsmobile, Pontiac, Each
Part Number: WLK-18431
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Muffler, Tru-Fit Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlet, Each
Part Number: WLK-18107
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025
DIRECT-FIT CATALYTIC CONVERTER
Part Number: WLK-15646
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Exhaust Manifolds, Cast Iron, Natural, Left, Front, Buick, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: ATP-101275
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
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