SKU: 88525086909

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

$140.82 $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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Amanda
Lexington, US
★★★★★ 5
Some frustration, but overall worth it.
Color: Ink Black, Number of Items: 1, Color: Ink Black, Number of Items: 1
Sturdy. Everything came in one piece and the instructions were some of the clearest I've encountered for Amazon furniture. Took about an hour for me to muscle my way through with manual screwdrivers only. I do not recommend a drill unless you go slow, because screw placement will make or break this for you in my opinion. Problems I encountered and how I overcame them: Drawer was rickety, kept catching when trying to pull out. I had to go back and tighten the tiny black screws on the rails. If they are not as flush as you can possibly get them, they will cause the wheels to catch. Once I got them as tight as possible, the drawer pull out was much smoother. Getting the first set of rails on. Space was EXTREMELY tight and frustrating. I ended up using a small screwdriver from my house, pressing it tightly with one hand, and using a pair of pliers to turn the screwdriver. Like a socket wrench type action. This sucked, I can't lie. And it wasn't possible to put them on earlier due to the cam bolts/screws under the rail. But I got through it. Overall, this is worth the money as long as you are willing to take your time and line things up properly and really use some elbow grease to get the screws in straight and flush.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
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pmont
Fort Morgan, US
★★★★★ 5
ChooChoo Side Table
Color: Espresso, Number of Items: 1
Table was as described by the seller. Happy with my purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
R
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Robert Birley
Louisville, US
★★★★★ 4
Great tables
Color: Farmhouse White, Number of Items: 2
Very well built and easy to assemble.
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Reviewed in the United States on February 5, 2026
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Gorji
Omaha, US
★★★★★ 5
Well made and easy to put together.
Color: Black, Size: 22"D x 47.2"W x 18.1"H
This was a well made table. I put it together in about 25 minute with a screw driver. It's sturdy and looks very nice
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Reviewed in the United States on May 19, 2026
K
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Krimp Knight
Massapequa, US
★★★★★ 5
Beautiful, Easy, and Ties the Room Together Perfectly
Color: White, Size: 22"d x 39.9"w x 18.1"h, Color: White, Size: 22"d x 39.9"w x 18.1"h
I absolutely love this ChooChoo Farmhouse Coffee Table! The white finish is stunning and really makes the colors in my living room pop without feeling too bright or flat—it has that perfect clean farmhouse look. Assembly was surprisingly easy and straightforward, with clear instructions and all the pieces fitting together smoothly. It feels sturdy and well-made, not flimsy at all. What really completes the look is pairing it with the matching end tables. Together, they make the space feel intentional and polished, like a fully designed set rather than random pieces thrown together. The lower shelf is also a great bonus for storage or décor. If you’re looking for a stylish, easy-to-build coffee table that elevates your living room, this one is a win. Highly recommend!
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Reviewed in the United States on January 19, 2026

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