Precision Hydraulic Relief Valve for Heavy Machinery
High-performance main hydraulic relief valve designed for Komatsu excavators (PC120-6, PC200-7, EX400-5, etc.) ensures optimal pressure control and system safety. Manufactured with hardened steel core and precision-machined brass components for extreme durability under high-pressure conditions (up to 5000 PSI). Seamless compatibility with OEM parts (4392196 / 723-40-60101), direct bolt-on replacement with no modifications required. Critical for construction, mining, and industrial equipment maintenance—prevents hydraulic overloads, extends pump life, and reduces downtime. Globally sourced materials, batch-tested for reliability. Bulk pricing available for fleet operators and repair centers.