SKU: 14313-2 | UPC: 801279529267
Eaton ELocker Dana 44 (M220) 35 Spline Electronic Selectable Differential for Jeep Wrangler JL & Gladiator JT
The Eaton 14313-2 ELocker is the ultimate on-demand traction solution for the Dana 44 M220 rear axle found in 2018-2023 Jeep Wrangler JL and 2020-2023 Gladiator JT models. At the flip of a dash-mounted switch, instantly transform from an open differential to a 100% locked unit for maximum traction in mud, sand, rocks, or snow. A second flip returns the unit to open for normal street driving. Featuring net-forged gears for superior strength and reliability, this electronic selectable locker is the most advanced and dependable on-demand differential available perfect for serious off-roaders who need traction when it counts without the daily drawbacks of a full-time locker.
Key Features
- Electronic Selectable Operation: Open or 100% locked at the flip of a dash switch
- Net-Forged Gears: Significantly stronger than cast or powdered metal for extreme duty
- Reliable On-Demand Traction: No compromise full lock when you need it, open when you don’t
- 35 Spline Carrier: Accepts aftermarket 35 spline axle shafts for high-horsepower builds
- Dana 44 M220 Specific: Direct fit for 2018+ Wrangler JL and 2020+ Gladiator JT rear axle
- Eaton Quality: Trusted by off-road enthusiasts and professional racers worldwide
Specifications
| Specification | Detail |
|---|---|
| Part Number | 14313-2 |
| Type | ELocker Electronic Selectable Differential |
| Axle | Dana 44 M220 Rear |
| Spline Count | 35 |
| Operation | Open / 100% Locked via dash switch |
| Gears | Net-Forged for Maximum Strength |
| Compatibility | 2018-2023 Jeep Wrangler JL & 2020-2023 Gladiator JT (All Ratios) |
| Installation | Professional Ring Gear Install Required |
| Country of Origin | United States |
| Warranty | Limited (Eaton) |
| Shipping Weight | Approx. 45 to 55 lbs |
What’s Included
- One Eaton ELocker Dana 44 M220 35 Spline Differential Assembly
- Installation Hardware
- Full Installation Instructions
Product Notes
- Requires aftermarket 35 spline axle shafts (stock axles are 30 spline)
- Requires aftermarket locker control harness to integrate with factory locker switch
- During ring gear installation: Stator MUST be removed for clearance then reinstalled in correct order (Ring Gear → Stator → Bearing)
- Does NOT fit standard Cherokee or non-M220 axle models
- Professional installation by a qualified axle builder is highly recommended
Installation Notes
- Estimated time: 6 to 10 hours (full axle disassembly required), advanced difficulty
- Requires ring gear setup, bearing preload, and backlash adjustment
- Aftermarket harness and 35 spline axles must be installed at the same time
- Professional shop installation with proper tools and expertise is required
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2018 to 2023 | Jeep | Wrangler JL | All Trims with Dana 44 M220 Rear Axle – All Ratios |
| 2020 to 2023 | Jeep | Gladiator JT | All Trims with Dana 44 M220 Rear Axle – All Ratios |
Why Choose the Eaton ELocker Dana 44 M220?
- True on-demand 100% lock at the flip of a switch – no daily compromise
- Net-forged gears provide unmatched strength for serious off-roading
- Proven reliability trusted by Jeep enthusiasts and professional builders
Frequently Asked Questions
- Q: Will this fit my 2022 Jeep Gladiator Rubicon?
A: Yes, it is a direct fit for all 2020-2023 Gladiator JT models with the Dana 44 M220 rear axle. - Q: Do I need aftermarket axles?
A: Yes, this ELocker requires 35 spline aftermarket axle shafts (stock are 30 spline). - Q: Do I need a special wiring harness?
A: Yes, an aftermarket locker control harness is required to integrate with the factory switch. - Q: What is the warranty?
A: Covered by Eaton’s limited warranty.
Shipping & Handling
- Method: UPS / FedEx Ground (Oversize / Freight)
- Availability: In stock ships same or next business day
- Packaging: Secure protective packaging with foam reinforcement
- Weight: Approx. 45 to 55 lbs






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