Material
High-Strength Alloy Steel
Application: 328D LCR 329D LN 329D L 323F SA 324D 324E 320E LRR 325F LCR 320D2 323F LN M325D MH 320C FM 326D L 324E L 323F 323D 320D L 330D2 320D FM RR 329E L 325C L 323D SA 320D RR 322C 323D L 330D2 L 323D LN 323D2 324E LN 329D 330F L 329E 326D2 L 321C 320E L 548 320D2 GC 329F L 320D2 FM 335F LCR 325D L 320C 320D 320E 320D GC 326D2 323E L 323D2 L 558 320D LRR 329E LN 321D LCR 326F L 323E SA 320E LN 320F L 330F 323E LN 329D2 L 320D FM 320D2 L 324D LN 329D2 323F L 538 M325D L MH 330F LN 324D L 325C 326F LN 325D 320E RR
Customization: Labels and logo
Delivery: 7-15 working days
Warranty: 6-12 months
Certifications: ISO 9001 / CE
Our Piston Pump Spare Parts are manufactured with strict dimensional control and precision machining processes to ensure accurate fitment and reliable operation. Critical components are carefully processed to maintain proper tolerances, surface finish, and matching accuracy. Precise manufacturing helps reduce abnormal wear, internal leakage, and operating instability, supporting consistent hydraulic performance after repair or replacement.
Selected materials and optimized surface treatments help provide excellent resistance to friction, pressure, and continuous mechanical contact. Components such as pistons, cylinder blocks, valve plates, and swash plates are designed to withstand demanding hydraulic operating conditions. Improved wear resistance helps maintain stable clearances and contact surfaces, contributing to longer component life and more reliable pump operation.

Proper matching between internal components is essential to piston pump efficiency and reliability. Our spare parts are designed to provide accurate contact and dimensional compatibility between pistons, slippers, cylinder blocks, valve plates, retainers, shafts, and other critical components. Correct component matching helps maintain stable pressure, smooth rotation, and efficient hydraulic power transmission.
High-quality replacement parts help restore the operating performance of worn or damaged piston pumps. Accurate sealing surfaces and controlled internal clearances help reduce unnecessary leakage and pressure loss while supporting stable oil flow and efficient operation. Proper replacement of critical components can improve pump response, reduce vibration, and help restore normal system performance.
5494319 549-4319
5494326 549-4326
1733427 173-3427
1297853 129-7853
Don't hesitate to contact us. HYDSTAR HYDRAULIC experts are very happy to help you, provide a variety of flexible and reliable solutions to help you solve various problems.