About Used Steering Rack / Box / Gears
The steering gear, whether a rack and pinion or a recirculating ball box, converts your wheel input into wheel movement, and worn gears leak, wander, and clunk. A used rack or box is a fraction of the cost of new or reman.
What a Steering Rack / Box / Gear Does
The steering gear is the mechanism that turns steering wheel rotation into side-to-side movement of the front wheels. Cars and crossovers use a rack and pinion, while many trucks and older vehicles use a recirculating ball steering box. Hydraulic versions also contain the assist valve and cylinder.
Signs Your Steering Rack / Box / Gear Is Failing
- Fluid leaking from the rack boots or box seals
- Play, wandering, or a loose feeling in the steering
- Clunking or knocking over bumps
- Tight spots or binding as you turn
What to Check When Buying a Used Steering Rack / Box / Gear
- Check the rack boots for tears and the seals for leaks
- Turn the input shaft through its travel, feeling for binding or dead spots
- Check the tie rod mounting points for wear
- Match rack versus box and the exact unit for your vehicle
Common Applications
Every vehicle has a steering gear, and seal leaks and internal wear are common at higher mileage. A used rack or box restores tight steering for far less than a remanufactured unit, and an alignment afterward is a must.
Related Parts
Frequently Asked Questions
Rack and pinion or steering box, which do I have?
Most cars and crossovers use a rack and pinion, a long horizontal unit behind the engine. Many older trucks and SUVs use a recirculating ball box at the frame rail with linkage. They are completely different parts, so identify yours first.
What are the signs of a worn steering rack?
Fluid leaking into the rack boots, play or wander in the steering, clunks over bumps, and tight spots when turning. Torn boots also let dirt in, which accelerates the wear.
Do I need an alignment after replacing the rack?
Yes, always. The tie rods are disturbed in the swap, so toe alignment changes. Drive gently to the alignment shop and have it set, or the tires will wear fast.
Is a used rack better than a reman?
A good used rack from a lower-mileage donor costs far less and is original equipment. Remans are rebuilt with new seals but cost several times more. For most repairs, a sound used unit is the value play.
