Eaton Dana 30/186MM JL Master Install Kit K-D30-186
Eaton Dana 30/186MM JL Master Install Kit K-D30-186
Part number: 8Q0UX
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- Free fitment check before you order
Dana 30/186MM JL Master Install Kit K-D30-186 from Eaton. Gear and differential work needs careful setup. The fitment section lists 4 applications.
Key features
- Eaton Master Differential Install Kit; Front; Dana 30/MM186 JL; 12 Cover Bolts; 10 Ring Gear Bolts; 24 Axle Spline; 26 Pinion Spline; Reverse Rotation
Specifications
- Brand: Eaton
- Part type: Driveline part
Fitment
- 2021 Jeep Wrangler 80th Anniversary, Unlimited 80th Anniversary, Unlimited Freedom, Freedom, Islander, Unlimited Islander
- 2018 - 2022 Jeep Wrangler Rubicon, Unlimited Sahara, Sport, Unlimited Sport S, Unlimited Sport, Sport S, Unlimited Rubicon
- 2022 Jeep Wrangler Unlimited High Tide
- 2018 - 2019 Jeep Wrangler Unlimited Moab
What it does
Clunks when shifting into gear, vibration at speed or clicking in turns point to worn driveline parts. Drivetrain parts carry power from the engine to the wheels; noise, vibration, slipping or leaks are the usual signs a part is due.
Installation & tips
- Mark driveshaft orientation before removal and torque fasteners to spec.
- Gear oil: Refill differentials with the right gear oil.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
How many vehicles is it listed for?
4 applications are listed in the fitment section above.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Measure the part you are replacing and compare it with the specifications above.

About this driveline part
Gear and differential work needs careful setup.
Fitment notes
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Gear oil. Refill differentials with the right gear oil.
More for your car: All U-Joints · Transmission & drivetrain
Questions about driveline part
Will this fit my car?
What does a bad CV axle sound like?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.