Pitman Arms
Suspensia pitman arms are forged for exceptional strength and durability.
These critical steering components transfer motion from the steering box to the center link, and our precision engineering ensures reliable performance.
Overview
The pitman arm is a critical component of a conventional steering system. It’s a lever that connects the steering box to the drag or center link, converting the rotational motion of the steering box into linear motion needed to steer the wheels. It is directly mounted via splined shaft to the steering box, and utilizes a ball joint on the other end to connect to the drag or center link of the steering system.
This type of system is used on virtually all rear-wheel drive vehicles and light trucks.
Key Features
- Forged construction
- OE specifications
- Precise spline fitment
- Corrosion-resistant coating
- Extensive vehicle coverage
Frequently Asked Questions
What is a pitman arm and what does it do?
The pitman arm is the primary driver of your vehicle’s parallelogram steering system. Attached directly to the steering gear’s sector shaft, it converts the rotational output of the steering box into the linear motion needed to move the center link left and right — which in turn steers the wheels. Every steering input you make travels through the pitman arm before reaching the wheels. When it wears or develops play, the entire steering system suffers.
What's the difference between a pitman arm and an idler arm?
The pitman arm is the active component — it’s driven by the steering gear and does the work of moving the center link. The idler arm is the passive mirror on the opposite side, providing support and keeping the center link level and parallel. Both are essential to the parallelogram steering system, but the pitman arm is the primary force driver.
How do I know if my pitman arm needs to be replaced?
Key symptoms include excessive play or looseness in the steering wheel before the wheels respond, wandering or imprecise steering, clunking or knocking from the front end during turns or over bumps, and uneven tire wear from chronic misalignment. A technician can confirm wear by checking for play at the center link connection with the vehicle raised.
Are Suspensia pitman arms exact-fit replacements?
Yes. Suspensia pitman arms are manufactured to be exact-fit for their specific applications through thorough development and verification — covering correct spline count and pitch, arm geometry, stud dimensions, and mounting specifications. No modification required.
What does the corrosion-resistant finish on Suspensia pitman arms do?
Suspensia pitman arms are coated with a corrosion-resistant finish during manufacturing to protect against road salt, moisture, and harsh weather conditions — extending service life in environments that accelerate rust and corrosion on exposed steering components.
Are Suspensia pitman arms built for easy installation?
Yes. Suspensia pitman arms are engineered for easy, secure installation with correct spline fit to the sector shaft and precise stud dimensions for the center link connection — reducing the risk of fitment issues at the time of repair.
How are Suspensia pitman arms assembled?
Suspensia pitman arms are built using advanced robotic welding and assembly processes, then thoroughly tested to ensure they meet or exceed the performance of the original equipment parts they replace.
Are Suspensia pitman arms manufactured to OE standards?
Yes. All Suspensia parts are manufactured in IATF 16949 certified facilities to meet or exceed original equipment performance standards for fit, function, and durability.
What vehicles use a pitman arm?
Pitman arms are found on vehicles with conventional recirculating ball steering gear and parallelogram steering linkage — a configuration used on virtually all rear-wheel-drive cars, trucks, and SUVs. If your vehicle has a steering box rather than a rack-and-pinion system, it has a pitman arm. This includes a wide range of domestic trucks, full-size SUVs, and older passenger cars.
Do I need a wheel alignment after replacing a pitman arm?
Yes. The pitman arm directly influences the position and geometry of the steering linkage. Replacing it disturbs the toe setting and requires a professional wheel alignment to restore proper steering and prevent accelerated tire wear.
Should I replace the pitman arm and idler arm at the same time?
It’s worth considering. Both components are part of the same steering linkage system and experience similar levels of wear and road stress. If the pitman arm is worn to the point of replacement, inspecting the idler arm at the same time — and replacing it if needed — saves labor and ensures the full linkage is performing correctly.
What causes pitman arms to wear out?
The sector shaft spline connection and the center link ball stud are the primary wear points. High mileage, heavy steering loads, off-road use, and lack of periodic steering system inspection all contribute to wear. Vehicles that have sustained front-end impacts may also experience accelerated pitman arm wear.
Can I replace a pitman arm myself?
Pitman arm replacement requires a pitman arm puller to safely remove the arm from the tapered sector shaft — standard hand tools alone won’t do the job. For experienced DIYers with the right tools, it’s manageable. However, the required post-repair wheel alignment must be done professionally, so factor that into the decision.
What happens if I ignore a worn pitman arm?
A worn pitman arm introduces play into the entire steering linkage, causing increasingly vague and imprecise steering. It also accelerates wear on the center link, tie rod ends, and idler arm. In an advanced state of failure, a pitman arm can separate from the sector shaft or center link — resulting in a complete and sudden loss of steering control.
Are Suspensia pitman arms covered by a warranty?
Yes. Suspensia pitman arms are backed by a warranty covering defects in materials and workmanship. The warranty is non-transferrable. Check your specific part listing or contact your distributor for applicable terms.
Where can I buy Suspensia pitman arms?
Suspensia pitman arms are available through authorized aftermarket distributors and major parts retailers.