Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededYUKON GEARPART NUMBER: 807-ZA K630840
USA Standard ZA K630840 Rear Axle Kit Fits GM 12P Diff 30 Spline 5 Lug 31-3/8 in. Long
$29099
Ships on 09/16/2026
Lowest Price GuaranteeGM 12 Bolt Passenger Car
USA Standard Rear Axle Kit Fits GM 12P Diff 30 Spline 5 Lug 31-3/8 in. Long
USA Standard ZA K630840 (ZA K630840) Features:
USA Standard Gear replacement axles are built to meet or exceed OE quality. Engineered for an exact fit, USA Standard Gear axles are easy to install. They are heat treated to enhance strength and provide years of dependable service. This kit contains all the components to replace, repair, or upgrade axle shafts so your vehicle will be back on the road fast.
- Fits GM 12P Differential
- 30 Spline
- Length 31.375 in.
- Rear, LH, 5x4.75 in. Bolt Pattern
- Includes Axle Shaft, Wheel Bearing, Seal, Diff Cover Gasket, Studs, and Lug Nuts
- Advanced Heat-Treating Results in a Stronger, More Durable Axle
- Designed and Built to Meet or Exceed OE Quality
Part TypeAxle Shaft
BrandYUKON GEAR
Package Height8.0
Package Width8.0
Package Length36.0
Weight21.46 PG
Vendor Part Number12219
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Wheel Stud Installer [Up to 9/16 in.]](https://www.jegs.com/images/mini_200/600/693/693-24234.jpg)
![75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]](https://www.jegs.com/images/mini_200/500/555/555-28050.jpg)
JEGS
75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]
Part Number : 555-28050
$1299$14.99
You Save$2.00
![Limited Slip Additive [4oz Bottle]](https://www.jegs.com/images/mini_200/500/555/555-60120.jpg)
![Fluid Extraction and Fill Pump [200 cc]](https://www.jegs.com/images/mini_200/500/555/555-w54173.jpg)
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![2-Ton Low-Profile Aluminum Floor Jack [4,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80006.jpg)
JEGS
2-Ton Low-Profile Aluminum Floor Jack [4,000 lbs. Capacity]
Part Number : 555-80006
$20999$269.99
You Save$60.00
![Wheel Chock [Solid Rubber]](https://www.jegs.com/images/mini_200/500/555/555-w41001.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
