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⚙️ Rebuild with Confidence — The Ultimate GM 12 Bolt Overhaul Kit
The Yukon Master Overhaul Kit for GM 12 Bolt Truck Differentials delivers a complete, precision-engineered solution featuring Timken-quality bearings and races. Designed specifically for GM truck differentials, this all-inclusive kit ensures a professional-grade rebuild with every necessary part included. Highly rated by thousands, it’s the go-to choice for durability and performance in automotive differential maintenance.









| ASIN | B003LU108C |
| Best Sellers Rank | #33,270 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Differential Assembly Kits |
| Brand | Yukon Gear & Axle |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,410) |
| Date First Available | May 11, 2010 |
| Is Discontinued By Manufacturer | Yes |
| Item Weight | 6.7 pounds |
| Item model number | YK GM12T |
| Manufacturer | Yukon Gear & Axle |
| Manufacturer Part Number | YK GM12T |
| Model | Yukon Gear & Axle (YK GM12T) 12-Bolt Master Overhaul Kit for GM Truck |
| OEM Part Number | YKGM12T |
D**N
Damaged
Received opened , used , greasy and missing parts
O**E
Missing crush sleeve
I see in the picture that two crush sleeves should be included in this kit. I also read previous reviews that mentioned how nice it was to have two crush sleeves. The kit i received had zero crush sleeves. It was very frustrating when in the middle of the rebuild just to find out i'm missing parts. perhaps my fault for opening the amazon box when i needed it rather than once i received it. Had to order the parts from a local shop. my kit came with everything else in the pictures.
J**S
Great kit but wrong gasket
Great kit. High quality but it had the wrong differential gasket.
J**I
Arrived in poor condition with missing parts
My package arrived today 2/28/21, was not in another box and the packaging wasnt taped closed. Due to this I am now missing one of the bearing cups and only have 4 of 12 bolts. Very disappointed that I paid 150.00 for this mess. I hope i can salvage what i need.
Trustpilot
1 month ago
1 day ago