Walker 83554 Catalytic Converter - Right

Overview of Walker CalCat Catalytic Converter 83554

The Walker CalCat Catalytic Converter 83554 is designed specifically for the Lincoln Navigator model years 2003 to 2004. 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 2003-2004 Lincoln Navigator
• CARB certified for emissions compliance
• Stainless steel body with ceramic substrate
• Small oval and round body shape for precise fitment
• Inlet: 2 bolt loose flange with spherical flare and pipe connection
• Outlet: 2 bolt loose flange
• Inlet inside diameter: 2.5 inches
• Overall length: 45.5 inches
• Contains two converters and two inlets

Walker CalCat Product Line Details

The CalCat line by Walker focuses on catalytic converters that meet strict emissions standards, including CARB certification. This product line is designed to provide reliable emissions control solutions for specific vehicle applications, such as the Lincoln Navigator. The CalCat series emphasizes durability with stainless steel construction and ceramic substrates to ensure long-lasting performance.

Product Features and Specifications

The Walker CalCat 83554 catalytic converter features a small oval and round body shape that fits precisely within the exhaust system of the 2003-2004 Lincoln Navigator. It includes two inlets—one with a 2 bolt loose flange and spherical flare, and the other with a pipe connection—both with an inside diameter of 2.5 inches. The outlet uses a 2 bolt loose flange design. The overall length of the converter is 45.5 inches, with a body length of 8 inches. Constructed from stainless steel, the converter offers resistance to corrosion and heat, while the ceramic substrate ensures effective catalytic conversion of exhaust gases.

Common Applications and Problem Solving

• Replacement for faulty or damaged catalytic converters on 2003-2004 Lincoln Navigator
• Restores proper emissions control to meet CARB standards
• Addresses exhaust leaks caused by worn or cracked converter bodies
• Helps resolve check engine light issues related to catalytic converter efficiency
• Improves exhaust flow and reduces harmful emissions

Installation Notes and Tips

This catalytic converter is designed for specific fitment on the Lincoln Navigator model years 2003 and 2004. It requires proper alignment of the 2 bolt loose flange connections and pipe connections at the inlet and outlet. Since mounting hardware is not included, ensure that existing hardware is in good condition or obtain compatible bolts and gaskets before installation. Professional installation is recommended to maintain emissions compliance and proper exhaust system function.

Quality Assurance and Warranty

The Walker CalCat 83554 catalytic converter is CARB certified, meeting stringent emissions standards for California and other states that require this certification. Manufactured with stainless steel and ceramic materials, it is built for durability and long service life. Warranty details should be confirmed with the product documentation or manufacturer, as coverage may vary.