Walker 54976 Catalytic Converter - Rear

Overview of Walker EPA Catalytic Converter 54976

The Walker EPA Catalytic Converter 54976 is designed specifically for select Nissan and Infiniti models, including the Pathfinder, JX35, and QX60. Engineered with a stainless steel body and ceramic substrate, this catalytic converter ensures reliable exhaust emission control tailored to your vehicle's specifications.

• Specific fit for Nissan Pathfinder, Infiniti JX35, and Infiniti QX60
• Durable stainless steel round body measuring 9" length, 4" width, and 4" height
• Equipped with two 3-bolt welded flange inlets and one 2-bolt welded flange outlet (2.5" diameter)
• Regular grade type with a ceramic substrate for effective emission reduction
• Overall length of 48.25" for precise fitment in exhaust system

Detailed Product Features and Specifications

This Walker EPA catalytic converter (part number 54976) features a round stainless steel body designed for durability and corrosion resistance. The converter includes two inlets with 3-bolt welded flanges and a single outlet with a 2-bolt welded flange, all sized to fit specific exhaust configurations on Nissan Pathfinder, Infiniti JX35, and QX60 models. The ceramic substrate inside the converter facilitates the chemical reactions necessary to reduce harmful emissions. With an overall length of 48.25 inches, this converter is engineered to integrate seamlessly into the vehicle's exhaust system without modification.

Walker EPA Product Line Information

The EPA line from Walker focuses on meeting environmental standards while providing reliable exhaust components. This product line is designed to comply with emission regulations and deliver consistent performance for specific vehicle applications. The 54976 catalytic converter is part of this line, offering a balance of durability and emission control for Nissan and Infiniti vehicles.

Common Applications and Problem Resolution

• Replacement for damaged or clogged catalytic converters on Nissan Pathfinder, Infiniti JX35, and QX60
• Helps resolve exhaust system leaks caused by flange or body damage
• Restores proper emission control to pass state inspections (non-CARB certified)
• Addresses reduced engine performance due to converter blockage
• Eliminates exhaust odors and excessive emissions from faulty converters

Installation Notes and Tips

This catalytic converter is designed for specific fitment and requires proper alignment of the 3-bolt welded flange inlets and 2-bolt welded flange outlet. Ensure all flange bolts are torqued to manufacturer specifications to prevent exhaust leaks. Note that mounting hardware is not included, so existing hardware should be inspected and replaced if necessary. No oxygen sensor port is included, so the original sensor locations must be maintained.

Quality Assurance and Warranty

Walker manufactures this catalytic converter with high-quality stainless steel and a ceramic substrate to ensure durability and effective emission control. While this part is not CARB certified, it meets regular grade standards for emission reduction. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region and application.