Walker 14822 Catalytic Converter - Left

Overview

Walker EPA 14822 is a direct-fit catalytic converter built for specific OBDII applications and engineered to meet EPA standards. It uses a stainless steel body, ceramic substrate, and a round, premium-grade design for a precise replacement on the listed vehicles.

Fits 2018-2021 Ford Expedition, left. Fits 2018-2021 Lincoln Navigator, left. This part cross-references AP Exhaust 645137 for the same application.

Key Features

• Direct-fit catalytic converter for specific EPA-compliant applications
• Stainless steel body with a ceramic substrate
• Round body shape with a 28-inch overall length
• Two oxygen sensor ports with pre-converter and midbed locations
• 2-bolt loose flange inlet with spherical flare
• Outlet pipe connection with outlet mounting hardware included

Detailed Description

Walker EPA 14822 is part of the Walker Ultra Direct-Fit Catalytic Converter line, which focuses on application-specific replacement parts for import and domestic OBDII vehicles. The converter is built with a stainless steel body and steel tubing, and its premium-grade construction is matched to the listed fitment for Ford Expedition and Lincoln Navigator models. The part number 14822 is also referenced by AP Exhaust 645137 and interchange numbers 280218 and JL7Z5E212A.

The converter includes two sensor ports and a round body layout to match the original exhaust routing on the covered applications. Its inlet uses a 2-bolt loose flange with spherical flare, while the outlet uses a pipe connection. For buyers searching for a Ford Expedition catalytic converter or Lincoln Navigator catalytic converter, Walker 14822 provides a direct-fit replacement built around the specified EPA application.

Common Issues It May Address

• Failed catalytic converter efficiency codes
• Exhaust restriction from a worn converter core
• Emissions test failure related to converter performance
• Damaged or corroded converter housing
• Sensor-port mismatch on the replacement exhaust section

Installation Notes

Verify the left-side fitment, inlet flange style, and oxygen sensor port locations before installation. The converter is application-specific, so matching the vehicle configuration to the listed Ford Expedition and Lincoln Navigator fitment is important. Clamps are included, and outlet mounting hardware is listed as included; inlet mounting hardware is not included.

Quality Assurance

Walker EPA 14822 is designed to comply with EPA standards for the specified OBDII applications. The Walker Ultra Direct-Fit Catalytic Converter line is built as a premium replacement option for vehicles that require a direct-fit exhaust solution.