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Yukon Gear & Axle (YGK002) Gear & Install Kit for Jeep XJ/YJ Dana 30 front Model 35 rear 4.88 Ratio

  • Based on 346 reviews
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Availability: In Stock.
Fulfilled by Sexton Offroad

Arrives Jun 7 – Jul 16
Order within 10 hours and 27 minutes
Available payment plans shown during checkout

Style: Jeep XJ/YJ Dana 30 front Model 35 rear 4.88 Ratio


Features

  • Includes Front/Rear Ring Pinion Gear Sets
  • Includes Front/Rear Differential Rebuild Kits
  • Matching Gears in a 4.88 Ratio
  • 1 Year Warranty
  • Includes Master Overhaul Kit
  • Fit type: Vehicle Specific
  • Yukon Gear and Install Kit package for Jeep XJ and YJ with Dana 30 front and Model 35 rear, 4.88 ratio
  • This is a complete package that includes front and rear ring and pinion sets along with the most complete master overhaul kits on the market, giving you everything you need to re-gear the front and rear differential in one easy part number

Description

Ring and Pinion Gear Sets from Yukon Gear and Axle are designed to perform in the most demanding of conditions. Our Gear Install Kits are a simple, single purchase for those looking to upgrade a four wheel drive vehicle with these high performing ring and pinion gears. This is a complete package that includes front and rear ring and pinion sets along with the most complete master overhaul kits on the market, giving you everything you need to re-gear the front and rear differential. If you are currently running a 3.54 ratio, you will need to purchase a new front carrier with this package. If you are running a 3.07 ratio, you will need to purchase new front and rear carriers.

Manufacturer: ‎Yukon Gear


Brand: ‎Yukon Gear & Axle


Model: ‎Gear & Install Kit for Jeep XJ/YJ Dana 30 front Model 35 rear 4.88 Ratio


Item Weight: ‎33.7 pounds


Product Dimensions: ‎12 x 14 x 20 inches


Item model number: ‎YGK002


Exterior: ‎Machined


Manufacturer Part Number: ‎YGK002


OEM Part Number: ‎YGK002


Date First Available: January 10, 2014


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jun 7 – Jul 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great product
Style: Jeep JK non-Rubicon 4.56 Ratio
Great product, it was a learning process to install as I installed the gears myself. If your not mechanically inclined do not try it yourself. No issues at all and have stood up to some serious wheeling so far.
Reviewed in the United States on November 25, 2023 by Amazon Customer

  • Nice complete set!
Style: Jeep JK Rubicon 5.38 Ratio
This job isn't for the faint at heart. That being said, everything about this job that sucks has to do with disassembly. Finding the correct tools, stuck parts, seized bearings, etc. Assembly was awesome. This set includes everything required and then some. Two sets of ring gear bolts for both front and rear to cover two different sizes, plenty of loctite, black RTV, yellow gear pattern layout paint, two crush sleeves for each front and rear seats, Timken bearings, a ton of shims, and plenty of decals to finish the job. I had good patterns front and rear with little to no adjustment. Get a 2 gallon jug of oil, that'll cover both ends as well as an oil change after break-in. As for ratio, I couldn't be happier. 4:10 is too high for 3.8 auto, 5:38 pulls way better and I still tach 2300 or so at 60mph with 33s. As for mileage, I feel it will stay the same if not improve by preventing low RPM lugging of the engine with insufficient torque. My trip computer is showing improvement if that means anything to you. I used OBDJscan to program gear ratio and tire size, speedo is dead on with my phone GPS. Go to the Yukon website for more updated bolt torque info than is provided in the leaflet. Good luck, happy Jeeping. See you on the trails! Update 10/5/22 I've been running this set for a few months now and have had zero issues. I changed the oil out after initial break-in and inspected the gears, and looked for bearing debris in the case, oil was dark with the expected goo-like filings around the magnet. No large or shiny bits at all. Gears and bearings are quiet. Fuel mileage has decreased slightly in town, haven't put enough highway miles on to say about highway mileage. Hoping to get 35" tires soon so that will play a huge part in the equation. ... show more
Reviewed in the United States on July 10, 2022 by Steven Lamb

  • I love Yukon
Style: Jeep XJ/YJ Dana 30 front Model 35 rear 4...
Yukon has never failed me. These gears have excellent machining and they were a breeze to install.
Reviewed in the United States on October 16, 2023 by Pickle Wrench

  • My Jeep has so much power!
Style: Jeep JK non-Rubicon 4.88 Ratio
After lifting and installing bigger rims and tires my Jeep was sluggish and didn't get to speed quickly . After this swap it is much easier to get through all gears and get up to speed even on the highway.
Reviewed in the United States on July 6, 2023 by Aimee

  • Fell apart in only 3 months
Style: Jeep JK non-Rubicon 4.88 Ratio
4.88 Yukon gears blew apart at only 3 months after installation. Had a licensed mechanic do the install, this is a daily driver and minimal off roading mainly on logging and forest services roads. No lockers and not beat on. axel shafts, drive shafts, carrier and housing are all OEM. Not happy with the poor quality of what is supposed to be top of the line performance parts in the off road community. ... show more
Reviewed in the United States on October 30, 2023 by Amanda Amanda

  • Amazing kit
Style: Jeep JK non-Rubicon 5.13 Ratio
Absolutely exceptional value for what you get. This is a complete kit and am very happy with everything that went into it. 5.13s are super responsive and the build quality is beyond amazing. Note this took me a week to understand and install, if you've never done a ring and pinion install with bearings before you might want to take it to a shop, I used easily thousands of dollars worth of tools to get it done right. ... show more
Reviewed in the United States on May 18, 2020 by Vinny

  • Super fast shipping
Style: Jeep XJ Dana 30 Front Chrysler 8.25” Rea...
I dont think its sellers fault but amazon says these will fit a 2000 xj but 2000 is when the xj swapped to low pinion dana 30s with standard rotation so these will not fit even though amazon says they will
Reviewed in the United States on March 31, 2023 by Sean Sean

  • Don't even hesitate
Style: Jeep JK non-Rubicon 4.88 Ratio
35" tyres. 3.73 ratio. My Wrangler was one hell of a slouch and such a pain to drive. With the 4.88 Yukon set the absolute joy of this vehicle has returned. You will definitely not regret this upgrade in any way at all. This engine loves the higher revs at 5th gear and delivers better fuel efficiency against the airflow on that flat windscreen. My installer loved this set and there is zero noise of any kind between this and stock. ... show more
Reviewed in the United States on July 16, 2022 by xcpointx xcpointx

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