Power steering pump - steering systems

The power steering pump is a hydraulic device that builds pressure in the steering system to assist the driver during steering maneuvers. This support reduces the physical effort required to turn the wheel, especially at low speeds or under heavy load — making it crucial in trucks and commercial vehicles.

Typically driven by a serpentine or V-belt, the pump circulates pressurized fluid to the steering gear or steering cylinder, translating steering input into easy and fluid motion. Various pump types exist, tailored to different pressure ranges and steering configurations.

Symptoms of a worn or failing pump include heavy steering, jerky movements, fluid leaks, whining noises, or delayed steering response. Early replacement can prevent damage to other steering components and ensure continued driving safety.

Key features and uses:

• Provides hydraulic assist to steering systems

• Reduces steering effort and enhances control

• Belt-driven operation for consistent pressure output

• Compatible with steering gears and hydraulic cylinders

• Available in multiple pressure ratings and configurations

At Sanders Parts, we supply high-quality power steering pumps that meet OEM standards — built for long-lasting reliability and smooth operation under the toughest conditions.