Eaton Detroit Locker Differential EAT187C145A, 31-Spline, 8.8-Inch Rear Axle

The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered to keep both wheels in drive mode – even if one wheel is lifted off the ground. It works in forward and reverse, and features unmatched strength, 100 percent automatic locking, and maintenance-free parts. Detroit Locker® Differential; 31 Spline; 1.32 in. Axle Shaft Diameter; 4.56/4.88/5.13 Gear Ratios May Require Modification For Install; 8.8 in.;

• Provides Maximum Amount Of Traction To Both Wheel Ends
• 100 pct. automatic locking - no driver action needed
• Clutchless Maintenance Free Design
• Works In Forward And Reverse

The Eaton Detroit Locker EAT187C145A is a fully automatic locking differential engineered to deliver maximum traction for mild to extreme automotive applications. Designed for an 8.8-inch rear axle with 31-spline axle compatibility and a 1.32-inch axle shaft diameter, this Detroit Locker helps keep both drive wheels engaged when traction is limited.

Its automatic locking operation requires no driver input and functions in both forward and reverse. The clutchless, maintenance-free design provides dependable performance with fewer service requirements than conventional limited-slip differentials. The unit is built for high-strength applications and is capable of maintaining drive engagement even when one wheel is lifted off the ground.

Installation may require modification when used with 4.56, 4.88, or 5.13 gear ratios. Verify axle configuration, spline count, shaft diameter, gear ratio, and available clearance before installation. The Eaton Detroit Locker EAT187C145A is intended for automotive use and is supplied as a single differential unit.

Key Product Specifications and Technical Data

• Brand: Eaton Detroit Locker
• Part Number: EAT187C145A
• Differential Type: 100 percent automatic locking differential
• Axle Application: 8.8-inch rear axle
• Spline Count: 31 spline
• Axle Shaft Diameter: 1.32 inches
• Compatible Gear Ratios: 4.56, 4.88, and 5.13; installation modification may be required
• Operating Direction: Forward and reverse

What's Included

One Eaton Detroit Locker EAT187C145A differential.

Features:

• Maximum Traction: Helps deliver power to both wheel ends for improved traction in demanding driving conditions.
• Automatic Locking: Locks without driver action when needed to maintain drive engagement.
• Clutchless Design: Maintenance-free internal design eliminates conventional clutch-pack service requirements.
• Forward and Reverse Operation: Provides automatic locking performance in both driving directions.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1