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Truck and Jeep Parts Home » Drivetrain & Differential » Differentials » Detroit Locker Ford 8.8 Inch 31 Spline 7/8 Cross Pin Automatic Locker - 187C145A

Detroit Locker Ford 8.8 Inch 31 Spline 7/8 Cross Pin Automatic Locker - 187C145A

Detroit Locker | Part Number: EAT187C145A
Part Number: EAT187C145A
  • Technical Details

    • For Use With 31 Spline Axles
    • For Use In 1987 Up Axles With 7/8in. Cross Pin
    • Automatic Locking
    • Legendary Traction
    • Unmatched Durability

The Detroit Locker maximizes traction by delivering 100% of the torque to both drive wheels. It is engineered to keep both wheels in a constant drive mode, and has the ability to automatically allow wheel speed differentiation when required. No other performance differential has the reputation for delivering traction in mud, snow, rocks and on the track.

Installation instructions are in PDF format. You will need Adobe Reader to view these files.
Download Instructions

Axle LocationAxle TypeFitmentPopular Axle ManufactureDifferential TypeAxle Spline
RearFord 8.8 InchesUniversal FitFordAutomatic Locker31 Splines

Customer Reviews

Average Customer Review

Awesome upgrade!


By Derek

from Atlantic City,


Comments about Detroit LockerFord 8.8in. 31 Spline 7/8 Cross Pin Automatic Locker:

I have been researching differentials for weeks trying to replace the mini-spool in my Mustang, I finally decided on the Eaton Detroit locker, even after reading reviews and forums advising me to steer clear of a locker. I love this differential, I was expecting the "noise and bangs" I have been reading about, but I cannot hear the thing. The only thing that takes a little getting used to is th

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Questions & Answers

  • Q:

    will this work with all gear ratios? I want to put 4.56 in
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