Walker CalCat Universal Catalytic Converters

4.8 out of 5 stars 41 Customer Reviews

Specifically created for Californians, Walker CalCat universal fit catalytic converters comply with regulations for OBD-II and pre-ODB-II vehicles. These converters feature a universal, weld-in design at a great cost savings over expensive OEM converters and feature a stainless steel body, heat-shielded pipe, and structural brace for enhanced strength and durability. Get the best balance of performance and price from Walker CalCat universal catalytic converters. Order the model designed for your application needs.

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Walker CalCat Universal Catalytic Converters 83506

Catalytic Converter, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83506

Not Yet Reviewed

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 83403

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 83509

Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83509

Not Yet Reviewed

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 82629

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-82629

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 83404

Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 83601

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-83601

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 80906

Catalytic Converter, CalCat, Stainless Case, 2.500 in. Inlet/2.500 in Outlet, Chevy, Dodge, Ford, Toyota, Each

Part Number: WLK-80906

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 80905

Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 18.000 in. Overall Length, Each

Part Number: WLK-80905

Not Yet Reviewed

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 81918

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81918

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82515

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each

Part Number: WLK-82515

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82606

Catalytic Converter, 2.50 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: WLK-82606

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 83804

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-83804

Not Yet Reviewed

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 82703

Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-82703

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81924

Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81924

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81919

Catalytic Converter, Stainless Steel, 3.00 in. Inlet/Outlet, 13.25 in. Length, Each

Part Number: WLK-81919

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81916

Catalytic Converter, Stainless Steel Case, Chevy, GMC, Isuzu, Land Rover, Mitsubishi, for Nissan, Toyota, Each

Part Number: WLK-81916

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81724

Catalytic Converter, CalCat, Stainless Steel Case, 3.00 in. Slip Fit Inlet/Outlet, Chevy, GMC, Each

Part Number: WLK-81724

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82536

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-82536

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82529

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: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82637

Catalytic Converter, Ceramic Honeycomb Substrate, 16.250 in. Overall Length, Buick, Chevy, GMC, Olds, Pontiac

Part Number: WLK-82637

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81723

Catalytic Converter, Stainless Steel Case, Cadillac, Chevy, Dodge, Ford, Hummer, Isuzu, Jeep, Mercury, Olds

Part Number: WLK-81723

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Pypes Mini Catalytic Converters CVM13M

4.25 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 81923

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 10.000 in. Overall Length, Each

Part Number: WLK-81923

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker CalCat Universal Catalytic Converters 83403

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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