BUICK RIVIERA Catalytic Converters

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99206HM

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51209

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Stainless Steel, Universal, 2 1/2 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94006

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Stainless Steel, Universal, 2 1/4 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94005

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Diesel, Universal, 2.165 in. Inlet/Outlet, Each

Part Number: MPE-60105

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 14 in. Length, Each

Part Number: CTO-6905

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-93506

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, 21 in. Length, , 3.8, 4.1, 5.0L

Part Number: MPE-23427

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Universal, 2.5 Inlet, 2.5 in. Outlet, Slip Fit, Stainless Steel, Ceramic Honeycomb, Each

Part Number: APH-608226

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Universal, 2 in. Inlet/Outlet, 16.5 in. Length, Each

Part Number: CTO-2539

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, 20.5 in. Length, L4, V6, V8

Part Number: MPE-23419

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 21.375 in., 3.8, 4.3, 4.9, 5.0, 5.7L

Part Number: MPE-93418

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, Each

Part Number: WLK-15042

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94015

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

DIRECT-FIT CATALYTIC CONVERTER

Part Number: WLK-15646

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Universal, 2.00 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94014

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Buick, Pontiac, 38.375 in Length, 3.8L, Each

Part Number: CTO-4975

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Oversize $10.99
• Special Order

Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Buick, Oldsmobile, Pontiac, 25.25 in. Length, 2.3, 3.8L, Each

Part Number: MPE-23467

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order