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⚙️ Upgrade your GM 8.5" rear differential with precision and confidence!
The USA Standard Gear ZBKGM8.5 Bearing Kit is a comprehensive, high-quality solution featuring Koyo bearings and all necessary components for GM 8.5" rear differential ring and pinion installation. It includes carrier and pinion bearings, races, seals, crush sleeve, oil baffles, slingers, and a detailed installation guide, ensuring a reliable and professional-grade rebuild.








| ASIN | B0078UAWB2 |
| Bearing Number | ZBKGM8.5 |
| Bearing Type | Standard Bearing |
| Best Sellers Rank | #676,394 in Automotive ( See Top 100 in Automotive ) #43 in Automotive Replacement Differential Kits |
| Brand Name | USA Standard Gear |
| Compatible Lubricant | Oil |
| Customer Reviews | 4.3 4.3 out of 5 stars (87) |
| Global Trade Identification Number | 00883584580119 |
| Included Components | Bearing Kit fits GM 8.5" Rear |
| Item Dimensions | 12 x 13 x 3 inches |
| Item Type Name | Bearing Kit fits GM 8.5" Rear |
| Item Weight | 4.71 Pounds |
| Manufacturer | USA Standard Gear |
| Material Type | Alloy Steel |
| UPC | 883584580119 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year warranty against Manufacturer defects |
C**T
Pretty good kit!
Was everything I needed besides pinion shims! Great buy!
T**N
All good
I run eatin true trac, for it two of bearings are to small, otherwise oll good
R**Y
Good quality
I was very happy with the quality and the kit. Worked and installed well on the gm 8.5 dff
A**R
Parts are junk
Replaced it all by the book and it blew apart and tore up my rear end housing not very happy
F**F
Great bearing kit!
Arrived quickly, fit great, and matched factory bearings perfectly! Thank you!
E**M
Works as it should
Perfect replacement went in with no problems 93 Silverado 373 rearend
R**O
This front end kit is much more complete than the ...
This front end kit is much more complete than the GM 8.5" rear end kit, I am not sure why they can't both come with shimms and cover gasket as this one does.
C**K
Inspect bearings before use - Gouge in a bearing
I bought this kit to use the pinion bearings as set-up bearings and discovered one of the bearings had a pretty decent gouge in it (picture). If I wasn't using these just to test fitment, I would definitely return. So, make sure to inspect the bearings, race, etc., upon receipt and before starting your project.
D**S
parfait bonne qualité!
Trustpilot
1 week ago
1 month ago