AP Exhaust 646303 Catalytic Converter

AP Exhaust Catalytic Converter for Ford E-250, E-350, F-250, and F-350

The AP Exhaust catalytic converter part number 646303 is designed as a direct-fit replacement for select Ford Econoline and F-Series trucks. Engineered with durable stainless steel and a ceramic substrate, this federal/EPA compliant converter ensures reliable emissions control for your vehicle.

Key Features of AP Exhaust Catalytic Converter 646303

• Constructed with corrosion-resistant stainless steel body material
• Includes inlet gasket for secure sealing
• Inlet features a 4 bolt welded flange with studs for precise fitment
• Equipped with two O2 sensor ports to maintain proper sensor function
• Outlet is a 2.50 inch outside diameter pipe with included hardware
• Overall length measures 29.25 inches for exact replacement
• Ceramic substrate designed for effective catalytic conversion
• Federal/EPA direct-fit type ensures compliance with emissions standards

Detailed Product Description

This AP Exhaust catalytic converter 646303 is specifically engineered for compatibility with Ford E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350 models. The stainless steel construction provides durability against rust and corrosion, extending the service life of the converter. The ceramic substrate efficiently reduces harmful emissions, meeting federal and EPA regulations. The inlet flange with four bolts and studs allows for a secure and leak-free connection, while the two O2 sensor ports accommodate factory oxygen sensors to maintain engine performance and emissions monitoring. The outlet pipe diameter of 2.50 inches matches OEM specifications, and outlet hardware is included to facilitate installation.

Common Applications and Issues Addressed

• Replacement for clogged or damaged catalytic converters on compatible Ford trucks
• Restores proper exhaust flow and reduces harmful emissions
• Resolves check engine light issues related to catalytic converter failure
• Ensures compliance with federal and EPA emissions standards
• Improves overall engine efficiency and performance by maintaining sensor accuracy

Installation Notes and Tips

When installing the AP Exhaust catalytic converter 646303, ensure the inlet gasket is properly seated to prevent exhaust leaks. The 4 bolt welded flange with studs simplifies alignment with the vehicle’s exhaust manifold or pipe. Verify that the two O2 sensor ports align with the factory sensor locations to maintain accurate sensor readings. Outlet hardware is included, but inlet hardware is not, so retain or source necessary bolts for the inlet flange. Proper torque specifications should be followed to avoid damage or leaks.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal and EPA emissions standards, ensuring regulatory compliance. The stainless steel body and ceramic substrate are designed for durability and long service life. Warranty details are provided by AP Exhaust and typically cover defects in materials and workmanship; please refer to the manufacturer’s warranty documentation for specific terms.