Yukon Gear & Axle · New
Yukon Gear Master Overhaul Kit For GM 8.5in Diff For Oldsmobile 442 and Cutlass. 31 Spline
MPN YK GM8.5OLDS-31 · Store SKU yukYK GM8.5OLDS-31
Supplier stock checked 11/7/2026, 9:18:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
The Yukon Master Overhaul Kit is made for GM 8.5", Olds 442 and Cutlass, 31 Spline. (Part number YK GM8.5OLDS-31) Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high-quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application. Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application. Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. This kit uses Timken bearings and races along with high quality seals and small parts Yukon Master Overhaul kits give you all the high quality parts you need to start/finish every differential job. This kit uses Timken bearings and races along with high quality seals and small parts Yukon Master kit for GM 8.5" diff for Oldsmobile 442 & Cutlass. 31 spline Yukon Master kit for GM 8.5in. diff for Oldsmobile 442/Cutlass. 31 spline
Manufacturer fitment & guides
Check YK GM8.5OLDS-31 against the manufacturer’s application information below.
Part-specific notes
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