Part Number: F7TZ-9A451-CA
Electrical issues on a late OBS 7.3L can quickly spiral into hard-to-diagnose problems—injector misfires, rough idle, intermittent no-starts, or sensor signal loss. In many cases, the root cause is a failing or brittle factory engine harness.
This OEM-style Engine Harness (F7TZ-9A451-CA) is designed specifically for 1997 7.3L Powerstroke trucks, restoring proper communication between your injectors, sensors, and PCM with correct factory routing and connections.
Fits 1997 Ford F-Series 7.3L Powerstroke (OBS)
OEM-Style Direct Replacement
Matches factory connectors, layout, and routing
Restores Injector & Sensor Performance
Eliminates issues caused by aging or damaged wiring
Fixes Common Electrical Problems
Helps resolve misfires, no-start conditions, and intermittent faults
Plug-and-Play Installation
Durable Engine Bay Construction
Built to withstand heat, oil exposure, and vibration
Ideal for Repairs or Engine Restorations
Over time, factory wiring can degrade from:
Heat cycling
Oil contamination
Brittle insulation
Corroded or loose connectors
Replacing the harness ensures clean, consistent signals across your entire engine system—restoring reliability and drivability.
1997 Ford F250 7.3L Powerstroke
1997 Ford F350 7.3L Powerstroke
1997 Ford F-Super Duty 7.3L Powerstroke
Designed specifically for 1997 model years
Verify part number F7TZ-9A451-CA before ordering
If you’re chasing electrical issues or bringing your OBS 7.3 back to life, this F7TZ-9A451-CA engine harness restores factory performance and eliminates one of the most common failure points on these trucks.