SKU: 88525086909

7.3L Powerstroke Engine Harness w/ California Emissions - 2000-2001 Ford F-Series

Sale price$140.82 Regular price$156.47
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Description

7.3L Powerstroke Engine Harness w/ California Emissions - 2000-2001 Ford F-Series7. 3L Powerstroke Engine Harness 19992001 Ford F Series Automatic Transmission California Emissions Built After 10 25 1999 Part Number: YC3Z 12B637 BA Electrical issues on a late 992001 7. 3L can quickly turn into a nightmareinjector drop out, rough running, intermittent no starts, or random sensor faults. In many cases, the root cause is a failing engine harness. This OEM style Engine Harness (YC3Z 12B637 BA) is designed specifically for California

7.3L Powerstroke Engine Harness – 1999–2001 Ford F-Series

Automatic Transmission | California Emissions | Built After 10/25/1999
Part Number: YC3Z-12B637-BA

Electrical issues on a late ’99–2001 7.3L can quickly turn into a nightmare—injector drop-out, rough running, intermittent no-starts, or random sensor faults. In many cases, the root cause is a failing engine harness.

This OEM-style Engine Harness (YC3Z-12B637-BA) is designed specifically for California emissions trucks with automatic transmissions built after 10/25/1999, ensuring correct connections, proper routing, and reliable communication between your injectors, sensors, and PCM.


🔥 Key Features

  • Correct Fit for Late 1999–2001 California Emissions Trucks
    Designed for trucks built after 10/25/1999

  • Automatic Transmission Specific

  • OEM-Style Direct Replacement
    Matches factory connectors, routing, and layout

  • Restores Injector & Sensor Performance
    Fixes issues caused by damaged or aging wiring

  • Eliminates Electrical Gremlins
    Helps resolve misfires, no-start conditions, and intermittent faults

  • Durable Engine Bay Construction
    Built to handle heat, vibration, and long-term use

  • Plug-and-Play Installation


🛠️ Why Replace Your Engine Harness?

Over time, factory harnesses break down due to:

  • Heat cycling

  • Brittle insulation

  • Oil contamination

  • Corroded or loose connectors

Replacing the harness restores proper signal integrity across your entire engine system, improving reliability and drivability.


🚚 Fitment

  • 1999–2001 Ford F250 7.3L Powerstroke

  • 1999–2001 Ford F350 7.3L Powerstroke

Requirements:

  • Automatic transmission

  • California emissions

  • Built after 10/25/1999


⚠️ Fitment Notes

  • Will NOT fit Federal emissions trucks

  • Will NOT fit manual transmission applications

  • Build date verification is required for proper fitment


If you’re chasing electrical issues on a late-model 7.3 or doing a proper engine refresh, this YC3Z-12B637-BA engine harness restores factory reliability and ensures your truck runs the way it should.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88525086909

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Miriam Avila Sanchez
Louisville, US
★★★★★ 5
Needed for Sunday School
Color: Grey, Size: Wheel-6 Panel
This was purchase to divide two Sunday school children classes. It works wonderful, big enough, sturdy and with wheels, so is easy to move. Thanks God we can find everything in amazon.com. Delivery was fast and perfect. Thank you .
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Reviewed in the United States on December 6, 2024
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Melissa P
Grantham, US
★★★★★ 3
Not as tall as anticipated
Color: Black, Size: Wheel-6 Panel
Definitely not 6 feet tall, more like 5 1/2. Very sturdy and the fabric is thick. Works well for what we're using it for.
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Reviewed in the United States on November 30, 2025
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Vickie Dovel
Cuba, US
★★★★★ 5
Easy to put together
Color: Grey, Size: Wheel-6 Panel
Love them
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Reviewed in the United States on December 17, 2025
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Nicole
Fort Morgan, US
★★★★★ 5
Perfect Divider!
Size: 102''Wide-3 Panel, Color: Beige
This is perfect! Exactly what I was looking for, for my office. Set up was easy and very sturdy. Looks nice
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Reviewed in the United States on May 27, 2026
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angela
Dallas, US
★★★★★ 5
Does what expected
Size: 132‘’Wide-6 Panel, Color: Black
Did exactly what we needed. Not terribly sturdy so don’t expect a lot
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Reviewed in the United States on April 27, 2026

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