Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle.If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Additional Information

Yukon Gear/Axle 8.6in. GM; 4.88 Ratio Rear Ring/Pinion Gear Set and Master Install Kit Package; with Axle Bearings/Seals

Part Type

Differential Ring and Pinion Kit

Features and Benefits

• For Applications w/10 Bolt Rear Cover And 10 Bolt Ring Gear
• For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
• Incl. LM603049/LM603012 Carrier Bearing And Race w/1.781 in. Inside Diameter And 3.062 in. Outside Diameter
• Includes LM603049/ LM603012 Carrier Bearing and Race with 1.781" Inside Diameter and 3.062" Outside Diameter
• Pro Kits Feature The Highest Quality Components And Are Backed By The Best Warranty In The Business
• Pro Kits feature the highest quality components and are backed by the best warranty in the business.
• Pro Kits Incl. Premium Yukon Ring/Pinion Sets; Yukon Master Install Kits w/High Quality Timken Bearings
• Pro Kits Incl. The Necessary Small Parts Required To Get Vehicles Off The Lift/Back On The Road Quickly
• Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
• Save Time/Money By Including Everything You Need In One Simple Part Number
• The Gear and Install Kit Includes Axle Bearings & Seals
• The Gear And Install Kit Includes Axle Bearings Seals
• The Ring Gear Diameter Is 8.5 in.
• The Ring Gear Diameter is 8.5"
• This Particular Kit Contains 4.88 Ring Pinion Gear Set
• This particular kit contains a 4.88 Ring & Pinion Gear Set
• Yukon Pro Kits offer premium differential repair & performance parts in several convenient packages to save time and money by including everything you need in one simple part number.
• Yukon Pro Kits Offer Premium Differential Repair Performance Parts In Several Convenient Packages

Product Details

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

• For Applications w/10 Bolt Rear Cover And 10 Bolt Ring Gear
• For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
• Incl. LM603049/LM603012 Carrier Bearing And Race w/1.781 in. Inside Diameter And 3.062 in. Outside Diameter
• Includes LM603049/ LM603012 Carrier Bearing and Race with 1.781" Inside Diameter and 3.062" Outside Diameter
• Pro Kits Feature The Highest Quality Components And Are Backed By The Best Warranty In The Business
• Pro Kits feature the highest quality components and are backed by the best warranty in the business.
• Pro Kits Incl. Premium Yukon Ring/Pinion Sets; Yukon Master Install Kits w/High Quality Timken Bearings
• Pro Kits Incl. The Necessary Small Parts Required To Get Vehicles Off The Lift/Back On The Road Quickly
• Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
• Save Time/Money By Including Everything You Need In One Simple Part Number
• The Gear and Install Kit Includes Axle Bearings & Seals
• The Gear And Install Kit Includes Axle Bearings Seals
• The Ring Gear Diameter Is 8.5 in.
• The Ring Gear Diameter is 8.5"
• This Particular Kit Contains 4.88 Ring Pinion Gear Set
• This particular kit contains a 4.88 Ring & Pinion Gear Set
• Yukon Pro Kits offer premium differential repair & performance parts in several convenient packages to save time and money by including everything you need in one simple part number.
• Yukon Pro Kits Offer Premium Differential Repair Performance Parts In Several Convenient Packages

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.