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7.3L OBS Engine Harness – Upgraded Super Duty Valve Cover Plug Conversion - 1997 Ford F-Series

7.3L OBS Engine Harness – Upgraded Super Duty Valve Cover Plug Conversion - 1997 Ford F-Series

Part number
F7TZ9A451CA-SDC
Brand
Complete Performance
Price range
$549.99
Last checked
Nov 5, 2026

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

7. 3L OBS Engine Harness – Upgraded Super Duty Valve Cover Plug Conversion (1997) Electrical issues on a 1997 OBS 7.3L can be some of the most frustrating problems to diagnose random injector misfires, rough idle, no-start conditions, or intermittent sensor failures. In many cases, the culprit is a worn or damaged factory engine harness. This Engine Harness for 1997 7.3L Powerstroke is a direct replacement designed to restore proper communication between your injectors, sensors, and PCM. Whether you're chasing electrical gremlins or refreshing a high-mileage truck, this harness helps bring your OBS back to reliable operation. 🔥 Key Features Fits 1997 Ford F-Series 7.3L Powerstroke (OBS) Direct Replacement Engine Harness Designed to match factory routing and connections Restores Injector & Sensor Communication Helps eliminate issues caused by brittle or failing wiring Fixes Common OBS Electrical Problems Can help resolve misfires, no-starts, and intermittent signal loss OEM-Style Connectors & Fitment Plug-and-play design for straightforward installation Built with Super Duty-Style OEM One-Piece Valve Cover Connectors Eliminates the failure-prone external valve cover gasket connections found on the original OBS design Provides a cleaner, more reliable electrical connection to the injectors and glow plugs Durable Engine Bay Construction Built to handle heat, oil exposure, and vibration Ideal for Repairs, Restorations, or Full Engine Refreshes 🛠️ Why Replace Your Engine Harness? Over time, OBS wiring harnesses can deteriorate due to: Heat cycling Oil saturation Brittle insulation Corroded or loose connectors These issues can lead to inconsistent performance, injector faults, hard starts, rough running conditions, and difficult-to-diagnose electrical problems. Replacing the harness ensures clean, reliable communication throughout your engine management system. ⚡ Upgraded Super Duty Valve Cover Connections Unlike the original OBS engine harness, this harness utilizes th

Suppliers (1)

  • Desolate Motorsports
    7.3L OBS Engine Harness – Upgraded Super Duty Valve Cover Plug Conversion - 1997 Ford F-Series · Orderable · stock unverified
    Checked Nov 5, 2026
    $549.99
    View at supplier

Price history

DateSupplierPriceStock
Nov 5, 2026Desolate Motorsports$549.99Orderable - stock unverified