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Instruction Sheets for Part Number ETN-187C145A
Differential, Eaton Detroit Locker, 31-Spline, Ford, 8.8 in., Each
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Estimated Ship Date: Nov 17, 2026 Would you rather pick it up?
Need It Sooner? We recommend these similar substitute parts:
Auburn Gear Grip-N-Loc 31 Spline Differential Ford 8.8 Inch 546054
Estimated Ship Date: Dec 15, 2026
Overview
Brand:
Manufacturer's Part Number:
187C145A
Part Type:
Product Line:
Summit Racing Part Number:
ETN-187C145A
Item Number:
2393333
UPC:
840379311846
Differential Case Design Type:
Ford 8.8 in.
Remanufactured:
No
Aftermarket Carrier Style:
Mechanical locker
Cover Bolts:
10
Axle Shaft Spline Quantity:
31
Manufacturer of Axle:
Ford
Carrier Material:
Steel
Carrier Bearings Included:
No
Quantity:
Sold individually.
Notes:
4.56, 4.88, and 5.13 ratios require some modifications for install.
Eaton Detroit Lockers
Eaton Detroit lockers are designed to maximize traction by delivering 100 percent of the torque and power to both drive wheels. They are engineered to keep both wheels in a constant drive mode and have the ability to automatically allow wheel speed differentiation when required.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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