Dorman 645-224 OBD-II Port

OBD-II Port Replacement

This Dorman OBD-II port, part number 645-224, restores the diagnostic connection point used for scan tools and vehicle communication. It is built for specified Ford, Lincoln, and Mercury applications where the factory port has failed from moisture, debris, or wear.

Key Features

• Female connector design for a direct diagnostic interface.
• Brass and copper connector materials for dependable electrical contact.
• 12-inch overall length for flexible routing during service.
• Includes a pigtail and heat shrink tubes for repair work.
• 16-cavity, 16-wire configuration for supported applications.

Detailed Description

Part number 645-224 is an OE-style replacement OBD-II port engineered to match the performance of the original equipment port on listed Ford, Lincoln, and Mercury vehicles. When the factory diagnostic port is damaged, intermittent, or no longer communicates properly, this replacement helps restore access for engine monitoring, troubleshooting, and software updates. Compatible With Ford F-150, Ford Explorer, Ford Mustang, Lincoln Navigator, and other listed applications, it supports a reliable connection between the vehicle and diagnostic equipment.

This part cross-references Ford and Motorcraft numbers (e.g., 3U2Z14S411LKA, F58Z14489AA) for the same application.

What It Helps Solve

• No communication between the scan tool and the vehicle.
• Intermittent diagnostic connection at the port.
• Failed port caused by moisture or debris intrusion.
• Loss of access to engine function monitoring and troubleshooting.
• Diagnostic issues related to a worn factory connector.

Installation Notes

Verify the cavity count and connector style against the original port before installation. Match the replacement to the vehicle’s listed application and inspect the surrounding wiring for corrosion or damage before reconnecting the diagnostic circuit.

Quality Assurance

Dorman designs this replacement to match original equipment port performance on specified applications. Part number 645-224 is built for direct service replacement where the factory diagnostic port has failed.