Oil Pump Pressure Spring Low PSI

The Oil Pump Pressure Spring Low PSI from Barnes is a precision relief spring engineered for oil pump systems requiring controlled low-pressure operation. This component is essential for engines and hydraulic systems where pressure regulation below standard thresholds is critical to equipment longevity and performance. Whether you're rebuilding a vintage engine, servicing hydraulic machinery, or maintaining specialized industrial equipment, this low-pressure spring ensures your oil pump relief valve functions at its intended specification.

Manufactured from high-grade steel with a white oxide finish, the Barnes Oil Pump Pressure Spring Low PSI delivers consistent spring rate and reliable pressure-relief performance across operating cycles. The low-pressure design allows the relief valve to open at reduced PSI thresholds, protecting sensitive engine components from overpressurization while maintaining adequate lubrication flow. Its compact dimensions (2.7 x 0.7 x 2.9 inches) and lightweight construction (0.02 lbs) make it suitable for tight engine bay installations, and the steel construction resists corrosion and thermal cycling without loss of tension integrity. This spring is calibrated to Barnes specifications and serves as a direct replacement in compatible oil pump assemblies.

Engine rebuilders, restoration specialists, and industrial maintenance technicians rely on this spring when original equipment has fatigued or lost spring tension. It is particularly valuable for low-RPM engines, marine applications, and antique vehicles where excessive pressure can damage gaskets and seals. Installation requires removal of the oil pump relief valve body; verify your pump assembly matches Barnes OEM specifications before ordering. This single spring replacement is sold individually, allowing technicians to replace worn components without purchasing a complete pump assembly.