Walker 83591 Catalytic Converter - Left

Overview of Walker CalCat Catalytic Converter 83591

The Walker CalCat Catalytic Converter 83591 is designed specifically for the 2003-2004 Ford Expedition. 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 Ford Expedition models
• CARB certified for emissions compliance
• Stainless steel body with small oval and round shape
• 8-inch body length with 35-inch overall length
• 2 bolt loose flange inlet with spherical flare
• Pipe connection outlet with 2.5-inch diameter
• Ceramic substrate for effective catalytic conversion
• Includes two converters within the unit

Detailed Product Features and Specifications

This catalytic converter features a durable stainless steel body shaped in a small oval and round design, measuring 8 inches in body length and 35 inches overall. The inlet uses a 2 bolt loose flange with a spherical flare, providing a secure and precise fit for the exhaust system. The outlet is a pipe connection type with a 2.5-inch outside diameter, compatible with the Ford Expedition exhaust piping. The ceramic substrate inside the converter facilitates efficient reduction of harmful emissions. This part is a specific fit, not universal, tailored to the 2003 and 2004 Ford Expedition models.

About the Walker CalCat Product Line

The CalCat line by Walker focuses on catalytic converters that meet strict emissions standards, including CARB certification. These converters are designed to provide reliable performance and durability with quality materials such as stainless steel bodies and ceramic substrates. The CalCat series is engineered to fit specific vehicle applications, ensuring proper fitment and compliance with environmental regulations.

Common Applications and Problem Solving

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

Installation Notes and Tips

This catalytic converter is designed for a direct fit installation on the specified Ford Expedition models. It requires a 2 bolt loose flange connection at the inlet and a pipe connection at the outlet. Mounting hardware is not included, so ensure you have the necessary bolts and gaskets for installation. Proper alignment of the spherical flare inlet is important to prevent exhaust leaks. Professional installation is recommended to maintain emissions compliance and system integrity.

Quality Assurance and Warranty

The Walker CalCat Catalytic Converter 83591 is manufactured with high-quality stainless steel and ceramic materials to ensure durability and long service life. It is CARB certified, meeting California emissions standards. Warranty details should be confirmed with the manufacturer or distributor, as coverage may vary.