Caterpillar 3N-4323 Relief Valve

Caterpillar 3N-4323 Relief Valve is a genuine Cat hydraulic component engineered to protect hydraulic circuits by automatically opening to bypass fluid when system pressure reaches its preset relief setting. As an original Caterpillar part, it is manufactured to Cat specifications and designed to fit Caterpillar hydraulic systems with compatible ports and mounting patterns. This relief valve is typically used in hydraulic circuits across Caterpillar construction, earthmoving, and mining equipment to prevent overpressure and safeguard pumps, valves, and actuators. For exact installation requirements, including relief setting, port size, and thread type, consult the Cat parts catalog or your equipment’s service manual to ensure proper fit and performance. In practice, this valve provides a critical safety mechanism in high-load hydraulic systems, helping maintain reliable operation and protecting components from damage due to pressure spikes.