AP Exhaust 644127 Catalytic Converter - Front

AP Exhaust Catalytic Converter for Ford Escape and Lincoln MKC

The AP Exhaust catalytic converter part number 644127 is designed as a direct-fit replacement for select Ford Escape and Lincoln MKC models. Constructed with durable stainless steel and a ceramic substrate, this federal/EPA compliant converter ensures reliable emissions control and long-lasting performance.

Key Features of AP Exhaust Catalytic Converter 644127

• Body material made from corrosion-resistant stainless steel
• Federal/EPA direct-fit design for precise installation
• Two oxygen sensor ports for accurate emissions monitoring
• Inlet features a V-band clamp connection for secure fitment
• Outlet uses a 2-bolt welded flange for stable attachment
• Includes one inlet gasket for proper sealing
• Overall length of 31 inches to match factory specifications
• Ceramic substrate for effective catalytic conversion

Detailed Product Description

This AP Exhaust catalytic converter (part number 644127) is engineered to meet federal and EPA emissions standards, making it suitable for use on Ford Escape and Lincoln MKC vehicles. The stainless steel body provides resistance to rust and corrosion, extending the life of the converter under harsh operating conditions. The ceramic substrate inside efficiently converts harmful exhaust gases into less harmful emissions. The inlet connection uses a V-band clamp, allowing for a secure and leak-free fit, while the outlet features a 2-bolt welded flange for a stable and durable connection to the exhaust system. Two O2 sensor ports are integrated to accommodate factory oxygen sensors, ensuring proper engine management and emissions control.

Common Applications and Issues Addressed

• Replacement for clogged or damaged catalytic converters on Ford Escape and Lincoln MKC
• Restores proper emissions control to pass state and federal inspections
• Resolves check engine light issues related to catalytic converter failure
• Improves exhaust flow and engine performance by eliminating blockages
• Prevents exhaust leaks caused by deteriorated converter components

Installation Notes and Tips

Installation of the AP Exhaust catalytic converter 644127 requires removal of the existing converter and proper alignment of the V-band clamp inlet and 2-bolt welded outlet flange. Ensure the included inlet gasket is properly seated to prevent exhaust leaks. The two O2 sensor ports must be matched with the vehicle’s oxygen sensors to maintain accurate emissions readings. Professional installation is recommended to ensure compliance with federal and state regulations.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet or exceed federal emissions standards. The stainless steel construction and ceramic substrate are designed for durability and consistent performance. Warranty information is available from the manufacturer and should be consulted prior to installation.