The Eaton Detroit Locker 225SL105A is a locking differential built for the Dana 80 rear axle, fitting Ford and General Motors one-ton trucks, vans, wagons, and cab-and-chassis applications from 1992 through 2011. It uses a 37-spline gear set with a 1.6 in. axle shaft diameter and accommodates an 11.5 in. ring gear at ratios of 4.10 and up. Per manufacturer notes, this unit will also fit OE 3.73 thin gear sets in this axle family. Rated for use across a wide range of duty cycles including rock crawl, drag racing, towing, and street driving. Call us to confirm proper fit for your specific axle build.
Features
Dana 80 rear axle application, locking differential type
37-spline gear set with 1.6 in. axle shaft diameter
11.5 in. ring gear, compatible with ratios of 4.10 and up
Also fits OE 3.73 thin gear sets per manufacturer notes
Fits Ford and GM one-ton trucks, vans, wagons, and cab-and-chassis (1992-2011)
Suited for rock crawl, towing, drag racing, off-road, and street use
Tech Specs
- Differential Type: Locking
- Axle Description: Dana 80
- Axle Location: Rear
- Ring Gear Size: 11.5 in.
- Gear Ratio: 4.10 & up
- Gear Spline Tooth Count: 37
- Axle Shaft Diameter: 1.6 in.
- Vehicle Make: Ford, General Motors
- Model Year Range (Ford): 1996-2011
- Model Year Range (GM): 1992-2007
- Vehicle Type: One-Ton Truck, Van, Wagon, Cab and Chassis, One-Ton HD Truck
- Product Note: Will fit OE 3.73 thin gear sets
- Vehicle Usage: On Road (Street, Drag Racing, Circle Track, Restoration, Work Truck/Towing), Off-Road (Extreme Off-Road, Light Trail/Sand Sports, Rock Crawl, Work Truck/Towing)
