AP Exhaust 645143 Catalytic Converter

Direct-Fit Catalytic Converter

AP Exhaust 645143 is a Federal / EPA direct-fit catalytic converter built for straightforward replacement in compatible applications. It uses a flange inlet and pipe outlet for a direct-fit exhaust connection, with one inlet and one outlet for a clean, application-specific layout.

Key Features

• Federal / EPA direct-fit converter for emissions system replacement
• Flange inlet and pipe outlet for a direct connection style
• Single-inlet, single-outlet design
• Boxed for protection during handling and storage
• AP Exhaust 645143 for targeted exhaust service applications

Fitment Details

Compatible with 2021-2024 Ford E-350 Super Duty, N/A, up to 25,999 GVW; direct fit converter.

Compatible with 2021-2024 Ford E-450 Super Duty, N/A, up to 25,999 GVW; direct fit converter.

This part cross-references no listed interchange numbers for the same application.

What It Helps Address

• Failed catalytic converter efficiency
• Exhaust restriction from a worn converter
• Emissions-related drivability concerns
• Replacement needs after converter damage or corrosion

Installation Notes

Verify the flange and pipe connection style before installation. Confirm the vehicle’s GVW rating and exhaust configuration match the listed fitment notes. AP Exhaust 645143 is a direct-fit replacement, so it is intended for application-specific exhaust service rather than universal modification.

Quality Assurance

AP Exhaust’s Direct Fit Converter line focuses on application-matched exhaust replacement parts with direct-fit geometry for efficient service work.