Overview
The Dana Spicer 10026642 is a front ring and pinion gear set with a 5.13 gear ratio for Dana 30 Reverse axles. A ring and pinion is the pair of gears inside an axle differential that sets the final drive ratio between the driveshaft and the wheels. This set is for the front axle position only.
The gears are designed and tested to original equipment specifications. The set is matched by axle type, so the axle is the deciding fit.
Key features
- Front axle position
- 5.13 gear ratio
- Dana 30 Reverse axle type
- Designed and tested to original equipment specifications, per Dana Spicer
Setting up a ring and pinion
Pinion depth, backlash and bearing preload control how a ring and pinion carries load and how long it lasts. Setup relies on the correct carrier shims, a clean housing and a bearing preload that matches the service requirements for the axle. Tooth contact should be checked with marking compound before the axle goes back into service, since a poor pattern can lead to noise and early wear.
Plan for a careful break-in. Avoid hard acceleration, towing and sustained high load during the first miles while the gear faces settle. Use the gear oil suited to the axle and the service intervals for your vehicle. Keep the housing clean and inspect the pinion seal during each service, since leaks can starve the gears of lubrication.
- Set pinion depth and backlash before final assembly
- Check tooth contact with marking compound
- Use gear oil suited to the axle
Specifications
| Brand | Dana Spicer |
|---|---|
| Part number | 10026642 |
| Axle location | Front |
| Axle type | Dana 30 Reverse |
| Axle manufacturer | Dana |
| Gear ratio | 5.13 |
| Fitment | Universal fit, by axle type |
Vehicle fitment
It is for the Dana 30 Reverse front axle at a 5.13 ratio. Confirm the housing type before installing.
No other vehicles are named for this set. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Ring and pinion sets need professional setup: pinion depth, backlash and bearing preload must be set and checked before the axle returns to service. Plan for a break-in period as the new gears seat.
What’s included
The ring and pinion gear set is the item described.
Not included: Check the package contents against your rebuild for bearings, shims and seals, and plan for those parts separately.
