-6%
Eaton ELocker Dana 44 M220 35 spline full view
Close-up of net-forged gears and mechanism
Click to zoom in

Eaton ELocker Differential Dana 44 (M220) 35 Spline

Eaton
EAT14313-2
Differentials
20+ Units In Stock - Ships Next Business Day
$ 1,710.63 $ 1,607.99
$ 1,607.99

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

Request For Information

Have questions about Eaton ELocker Differential Dana 44 (M220) 35 Spline? Fill out the form below and we'll get back to you by the next business day.
Differentials

Differentials

Performance differentials, limited-slip differentials, locking differentials, and traction upgrades are stocked at Black Ops Auto Works. Shop clutch-type LSDs, helical gear LSDs, automatic lockers, selectable air lockers, electronic lockers, spool-style race components, differential carriers, truck and Jeep lockers, import performance LSDs, and axle-specific units for Subaru WRX and STI, Nissan Z and Skyline, BMW M, Mazda Miata, Porsche, Ford 8.8, Dana axles, GM trucks, Ram trucks, and off-road builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 235 differential SKUs across limited-slip designs, locking systems, axle spline counts, carrier cases, street and track traction upgrades, off-road configurations, and drivetrain-specific fitment. What This Differential Collection Covers A differential splits torque between driven wheels while allowing different wheel speeds through ...

View Differentials Products
Differentials & Components

Differentials & Components

Differentials and components at Black Ops Auto Works include diff braces, diff covers, rebuild and overhaul kits, differential bushings and mounts, limited-slip differentials, yokes, and final drive gears built for street, towing, off-road, and racing applications. Black Ops Auto Works carries 1,332 drivetrain SKUs from Yukon Gear and Axle, ARB, OS Giken, SuperPro, and Per4mance Development, spanning Hellcat and Trackhawk platforms, trucks, Jeep Wrangler, and sport compacts. What This Collection Covers This collection combines fifteen related differential and drivetrain categories, including diff braces, diff covers and gaskets, rebuild and overhaul kits, install kits, seal kits, bushings, mounts, housings, dropouts, spider gears, yokes, complete differentials, and final drive gears. Product Types in This Collection Shoppers will find billet differential braces for high-horsepower RWD platforms, nodular iron and aluminum diff covers, master overhaul kits, differential-to-cradle ...

View Differentials & Components Products
Drivetrain

Drivetrain

Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...

View Drivetrain Products
Eaton

Eaton

Eaton differentials and elocker kits for trucks, Jeeps, off-road SUVs and performance cars are stocked at Black Ops Auto Works. Shop Detroit Truetrac limited-slip differentials, Detroit Lockers, ELocker selectable lockers, service parts and master install kits for popular Ford, GM, Jeep and Toyota axles. Differential selection depends on the axle model, ring-gear size, axle-spline count, gear-ratio range and intended driving use. Black Ops Auto Works carries 101 Eaton SKUs with catalog details to support correct axle and vehicle matching. What This Collection Covers Eaton is a leading source for traction upgrades across street, off-road, towing and performance applications. The collection centers on Truetrac helical limited-slip units, Detroit mechanical lockers, ELocker selectable lockers and the installation hardware needed for axle builds. Built for verified applications Use the fitment details and product specifications on each listing to confirm the correct application befo...

View Eaton Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×