This Borgeson steering coupler is an OEM-style half rag joint for the steering box side of the connection, supplied with the rubber isolator disc and hardware. It absorbs road vibration and hydraulic noise between the steering box and column, and is intended for straight, properly aligned connections only.
Specifications:
- Type: Half rag joint, steering box side
- Spline: 3/4"-30
- Includes: rubber disc and hardware
- For straight, aligned connections only
- Made in the USA
- Part Number: 990012
FAQ
What spline size does this coupler use?
It fits a 3/4"-30 spline.
What's included with this coupler?
The steering box side of the rag joint plus the rubber isolator disc and mounting hardware.
Can this be used with a misaligned column and box?
No, rag joint style couplers are only for straight, properly aligned connections.
What does the rag joint do?
It acts as a vibration isolator, reducing road vibration and hydraulic noise transmitted through the steering system.

