Premium Eaton 5421/5423 Hydraulic Pump Components – Engineered for Peak Performance
Precision-machined piston shoes with hardened steel cores ensure superior load distribution and extended service life under high-pressure conditions. CNC-milled cylinder blocks feature ultra-smooth bore surfaces for minimal friction, optimized for compatibility with ISO VG 46/68 hydraulic fluids in industrial systems. Heat-treated thrust plates with micro-polished contact surfaces prevent scoring, ideal for construction equipment and agricultural machinery requiring 3000+ PSI operation. Direct OEM replacement parts manufactured to exact Eaton 5421/5423 specifications, tested for leak-free performance in excavators, forklifts, and heavy-duty hydraulic presses. Global wholesale pricing available for bulk orders – unmatched value for repair shops and industrial suppliers stocking premium hydraulic rebuild kits.