Eaton
Eaton ELocker Differential Dana 30 27 Spline 3.73 & Up - 19818-020
Unlock maximum traction and control with the Eaton ELocker® Differential (Part #19818-020) — engineered for Dana 30 axles with 27 splines and 3.73 & up gear ratios. This electronically controlled locking differential offers instant traction at the flip of a switch, combining on-road comfort with off-road performance. Built to Eaton’s exacting standards, the ELocker delivers reliability, strength, and versatility for vehicles that tackle everything from worksite duties to extreme trails.
Features
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Electronically controlled locking differential—instant engagement at the push of a button
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Provides 100% axle lock for maximum traction when needed
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Ideal for off-road and heavy-duty on-road use
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No external air lines or compressors required
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Precision-engineered for Dana 30 axles
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Trusted Eaton quality and durability
Specifications
| Specification | Detail |
|---|---|
| Product Name | Eaton ELocker Differential |
| Part Number | 19818-020 |
| Differential Type | Locking (Electronic) |
| Axle Model | Dana 30 |
| Gear Ratio | 3.73 & Up |
| Spline Count | 27 |
| Axle Shaft Diameter | 1.16 in |
| Ring Gear Size | 7.2 in |
| Weight | 18.5 lb |
| Catalog Notes | Requires bearing LM102949, race LM102911, and outboard shims |
Fitment
Compatible with the following applications using Dana 30 front axles (3.73 & up):
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Jeep: Cherokee, Grand Cherokee, Liberty, Post Office Truck, Scrambler, Wagoneer, Wrangler (1971–2018, including JK)
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Ford: Half-Ton Truck, Van, SUV (1967–1972)
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International Harvester: 100/1100, 4x4 Half-Ton Pickup, Scout I & II, Traveler, Metro Van (1967–1977)
Ideal For
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Off-road rock crawling
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Light trails and sand sports
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Extreme off-road conditions
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Work trucks and towing applications