Overview
The Alloy USA Precision Gear ring gear bolt sleeve, part number 13380.18, is a sleeve for ring gear bolts with a listed size of 1/2 in. to 7/16 in.
It is universal fit and is not tied to a particular axle, vehicle or ring gear model. Measure the bolt and bore before choosing it.
Key features
- Precision gear ring gear bolt sleeve
- Listed size range of 1/2 in. to 7/16 in.
- Universal fit
- Alloy USA part number 13380.18
Why ring gear bolts need matching
Ring gear bolts clamp the ring to the carrier flange, and they depend on a clean, true bore to hold the ring square. When the original hole has elongated, or the bolt is too small for the carrier, the ring can shift slightly under load. A sleeve fills the gap so the bolt seats in a stable position and the ring stays concentric with the pinion.
Choosing a sleeve starts with measuring the bolt and the bore. The inside and outside dimensions both matter, and an incorrect fit can allow the sleeve to spin or crush. Thread condition on the bolt and carrier should also be checked, since damaged threads will not hold the ring securely even with the right sleeve.
- Measure bolt diameter and bore before buying
- Check carrier threads for damage
- Inspect the ring for shifting or noise after installation
Specifications
| Brand | Alloy USA |
|---|---|
| Part number | 13380.18 |
| Size | 1/2 in. to 7/16 in. |
| Type | Ring gear bolt sleeve |
| Fitment listing | Universal Fit |
Vehicle fitment
Alloy USA lists universal fit, so no axle, vehicle or ring gear application is named. Confirm the bolt size against the sleeve range before using it.
Confirm your vehicle’s year, model and trim before ordering.
What’s included
Check the package contents against your installation before starting.
