The Eaton Detroit Locker E-Locker differential, part number 19818-020 or 19818020, is a locking front differential built for Dana 30 axles with a 3.73 and higher gear ratio. It fits a 27-spline, 1.16-inch diameter axle shaft and uses a 7.2-inch ring gear. Applications span Jeep Wrangler JK, Cherokee, Grand Cherokee, Liberty, Scrambler, Wagoneer, and Wrangler models, along with select Ford and International Harvester trucks, scouts, vans, and SUVs. Installation requires bearing LM102949, race LM102911, and unique shims, confirm these are on hand before beginning the swap. Call us to verify fitment for your specific axle build.
Features
Locking differential for Dana 30 front axle
27-spline, 1.16-inch axle shaft diameter
7.2-inch ring gear, fits 3.73 and higher ratios
Compatible with Jeep Wrangler JK and a wide range of Jeep, Ford, and International Harvester applications
Suited for rock crawl, extreme off-road, trail use, and on-road work truck or towing duty
Installation requires bearing LM102949, race LM102911, and unique shims (not included, source separately)
Tech Specs
- Ring Gear Ratio: 3.73 & up
- Differential Type: Locking
- Axle Description: Dana 30, Wrangler JK
- Axle Location: Front
- Axle Shaft Diameter: 1.16 in
- Ring Gear Size: 7.2 in
- Gear Spline Tooth Count: 27
- Vehicle Makes: Ford, Jeep, International Harvester
- Vehicle Types: Half-Ton Truck, Van, SUV, Cherokee, Grand Cherokee, Liberty, Post Office Truck, Scrambler, Wagoneer, Wrangler, 4x4 Half-Ton Pickup, Scout I and II, Traveler, Metro Van
- Vehicle Usage: Rock Crawl, Extreme Off-Road, Light Trail / Sand Sports, Off-Road Work Truck / Towing, On-Road Work Truck / Towing
- Installation Note: Bearing LM102949 and race LM102911 and unique shims are required
