The Eaton Detroit Locker Differential T/A, part number 19663-010 or 19663010, is built for GM 7.5 in. 10-bolt axle applications with a 26-spline axle shaft and a 3.23 ring-and-pinion ratio or numerically higher. Sold under the Eaton Posi line, this traction differential fits tandem-axle configurations where consistent torque delivery is a priority. Pro Gear and Transmission carries this as a genuine Eaton Detroit Locker unit. Not sure this part matches your axle ratio or spline count? Give us a call to confirm proper fit before ordering.
Features
Eaton Detroit Locker Differential, part number 19663-010 or 19663010
Fits GM 7.5 in. 10-bolt axle housings
26-spline axle shaft engagement
Designed for 3.23 ring-and-pinion ratio and numerically higher ratios
Eaton Posi traction differential design
Genuine Eaton Detroit Locker unit sold by Pro Gear and Transmission
Tech Specs
- Part Number: 19663-010 or 19663010
- Brand: Eaton Detroit Locker
- Application: GM 7.5 in. 10-bolt axle
- Axle Shaft Spline Count: 26-spline
- Compatible Gear Ratio: 3.23 and up
