Logo Image
Father’s Day Sale – Up to 40% Off! Shop Now >

Eaton DetroIt TrueTrac Dana 30 Limited Slip Differential for 3.73 and Up Gear Ratio; 27-Spline (07-26 Jeep Wrangler JK & JL, Excluding Rubicon)Find parts that fit my vehicle

Item J181146
Our Price

$590.99 each

Military, Medical & First Responders $29.55 Available in XT Cash Rewards.
Confirm Eligibility

Save with Open Box

From $354.59

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Product Name Eaton Detroit Truetrac Differential
      • Catalog Number 912A585
      • Product Weight 17.64 Lb
      • Catalog Notes Applies To Non-Axle Disconnect Style Housing Only
      • Product Type Differential
      • Ring Gear Ratio 3.73 & Up
      • Gear Spline Tooth Count 27 Ea
      • Axle Shaft Diameter 1.16 In
      • Ring Gear Size 7.2 In
      • Differential Type Limited Slip (LSD)
      • Vehicle Usage Off-Road Rock Crawl, Off-Road Work Truck / Towing, On Road Restoration, Off-Road Extreme Off-Road, On Road Circle Track, On Road Drag Racing, On Road Work Truck / Towing, Off-Road Light Trail / Sand Sports, On Road Street And Muscle
      • Fits Front Dana 30 Axle with Non-Axle Disconnect Style Housing

      Description

      Limited Slip Differential. The Eaton Detroit Truetrac Dana 30 Limited Slip Differential for 3.73 and Up Gear Ratio; 27-Spline enhances traction by efficiently distributing torque between the axle shafts, providing improved vehicle stability, control, and power delivery in both off-road and high-performance driving conditions.

      Construction and Appearance. Manufactured using high-strength materials with precision gear machining and robust assembly, this differential is built to endure rigorous use. Its durable finish ensures long-lasting performance in diverse on-road and off-road environments.

      Installation. Installation requires moderate mechanical skill and standard tools. The unit is designed to fit front Dana 30 housings that use a non-axle disconnect style, with no drilling or special modifications required. Proper installation procedures and adjustments should be followed to ensure optimal performance.

      Warranty. This product is backed by a comprehensive warranty covering manufacturing defects, providing peace of mind during its use.

      Application. Fits front Dana 30 axles with non-axle disconnect style housings. This fitment corresponds to various vehicles including, but not limited to, 2007–2018 Jeep Wrangler JK models. Compatibility with other vehicles should be verified based on axle housing and spline count.

      Eaton 912A585

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 6 Hours

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Slip Differential
      • Instruction Manual

      Tech Specs

      5.0

      Customer Reviews (5)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Wrangler

      • JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
      • JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
      • JL Freedom 2 Door - 23
      • JL Rubicon 392 4 Door - 26
      • JL Rubicon X 2 Door - 24, 26
      • JL Rubicon X 4 Door - 24, 26
      • JL Sahara 4 Door - 26
      • JL Sport 2 Door - 26
      • JL Sport 4 Door - 26
      • JL Sport S 2 Door - 26
      • JL Sport S 4 Door - 26
      • JL Unlimited Freedom 4 Door - 23
      • JL Unlimited High Altitude 4 Door - 22
      • JL Unlimited High Tide 4 Door - 22, 23
      • JL Unlimited Rubicon 392 Final Edition 4 Door - 24
      • JL Unlimited Rubicon X 4 Door - 24
      • JL Unlimited Rubicon X 4xe 4 Door - 24
      • JL Unlimited Sport S 4xe 4 Door - 24
      • JL Willys 2 Door - 26
      • JL Willys 4 Door - 26
      • JL Wrangler 2 Door - 18, 19, 20, 21, 22, 23, 24, 25
      • JL Wrangler 4 Door - 18, 19, 20, 21, 22, 23, 24, 25
      • JL Wrangler 4xe 4 Door - 21, 22, 23, 24, 25

        Most Popular from Yukon Gear