Walker 83457 Catalytic Converter - Right

Overview of Walker CalCat Catalytic Converter 83457

The Walker CalCat Catalytic Converter 83457 is designed specifically for select Cadillac, Chevrolet, and GMC models from 2001 to 2006. Engineered with a stainless steel body and ceramic substrate, this catalytic converter meets California Air Resources Board (CARB) certification standards, ensuring compliance with emissions regulations.

• Specific fit for GMC Sierra 1500, Chevrolet Silverado 1500 Classic, Cadillac Escalade, and related models
• Stainless steel body construction for durability and corrosion resistance
• Round body shape with dimensions: 8 inches length, 4.125 inches width and height
• Inlet: 3 bolt welded flange; Outlet: 2 bolt welded flange with 2.775 inch diameter
• CARB certified for use in California and other states with strict emissions standards
• Ceramic substrate for effective catalytic conversion
• Compatible with model years 2001 through 2006

Walker CalCat Product Line Details

The CalCat line by Walker focuses on providing catalytic converters that meet stringent emissions requirements while maintaining vehicle performance. This product line emphasizes precise fitment and quality materials, such as stainless steel bodies and ceramic substrates, to ensure long-lasting operation. The 83457 model is part of this line, offering a direct fit solution for specific GM trucks and SUVs.

Product Features and Specifications

This catalytic converter features a round body shape constructed from stainless steel, measuring 8 inches in length and 4.125 inches in both width and height. It includes a single inlet with a 3 bolt welded flange and a single outlet with a 2 bolt welded flange, both designed for secure attachment. The outlet diameter is 2.775 inches, matching OEM specifications. The ceramic substrate inside facilitates efficient reduction of harmful emissions.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT (2001-2006)
• Chevrolet Silverado 1500 Classic, Suburban 1500 (2001-2006)
• GMC Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL 1500 (2001-2006)

Common Issues Addressed by This Catalytic Converter

• Failed emissions tests due to catalytic converter malfunction
• Check engine light triggered by oxygen sensor or converter failure
• Reduced engine performance caused by clogged or damaged converter
• Excessive exhaust emissions impacting environmental compliance
• Noise or rattling from broken internal substrate

Installation Notes and Tips

This catalytic converter is a specific fit part and requires proper flange alignment for installation. It does not include mounting hardware, so ensure existing bolts and gaskets are in good condition or replaced as needed. Professional installation is recommended to maintain emissions compliance and avoid exhaust leaks.

Quality Assurance and Warranty

The Walker CalCat 83457 catalytic converter is CARB certified, meeting strict emissions standards for California and other states. Constructed with durable stainless steel and a ceramic substrate, it is designed for reliable long-term use. Warranty details should be confirmed with the manufacturer or distributor at the time of purchase.