162-1604 SHAFT | REPLACEMENT FOR CATERPILLAR

1621604 162-1604

  • Application: HYDRAULIC PUMP & MOTOR
  • MOQ: 1 PCS
  • Customization: Labels and logo
  • Delivery: 7-15 working days
  • Warranty: 6-12 months
  • Certifications: ISO 9001 / CE

Material:

Carbon Steel

HYDSTAR® hydraulic pumps and core components—including pump shafts, gears, bearings, oil seals, swash plates, cylinder blocks, retainer plates, ball guides, friction plates, thrust plates, bushings, and gaskets—are engineered to deliver superior power support for heavy-duty equipment and high-load applications. By maintaining efficient, stable fluid circulation and pressure output, they effectively minimize system wear and prevent mechanical damage caused by poor lubrication or pressure fluctuations.

Precision Manufacturing and Superior Materials: Components are precision-machined from high-strength premium carbon steel and wear-resistant stainless steel. This fundamentally enhances the rigidity and fatigue strength of core parts, ensuring reliable operation even under extreme working conditions.

Reliable Sealing and Extended Service Life: Featuring optimized, high-quality oil seal and gasket combinations alongside hardened bearing retaining rings, these components effectively prevent internal leakage and reduce operational friction, significantly extending the service life of the entire assembly.

Rigorous Testing and Reliable Quality: Every HYDSTAR® component is manufactured to exacting standards and undergoes rigorous performance and quality testing. This ensures a perfect fit for your equipment, guaranteeing efficient system operation and outstanding overall performance.

Whether for routine maintenance, major system overhauls, or component replacements, HYDSTAR® provides durable, trustworthy solutions for heavy-duty hydraulic and lubrication systems.

Quarry Trucks

771D 775D 773E

Dump Trucks

730C2 EJ 730 730C

Wheel Dozers

834 844 834K

Backhoe Loaders

442D 430D 442E 434E 438C 426C 438D 450E 430E 424D 436C 420D 432E 420E 432D 444E 416C 428D 416D 428C

Wheel Tractors

631K 637K

Petroleum Packages

TH48-E70

Off-Highway Trucks

D10R

Trucks

775G 775F 773G LRC 775G OEM 775E 773E 772 773D 773G 770 773F 775G LRC 773G OEM 769D

Landfill Compactors

836K 836

Shovels

6040

Rotary Drills

MD6250

Wheel Tractor-Scrapers

631K 637 631 637K

Articulated Trucks

725C 725 730C2 725C2 730 730C

Track-Type Tractors

D9T

Wheel Loaders

993K 950GC 990 II 962H 950H 994K 995 950 GC 990

Off-Highway Trucks

775 773

Wheel Tractor-Scrapers

637K

Hydraulic Shovels

6020 6040 6020B

Product Introduction

Precision Manufacturing

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.

Excellent Wear Resistance

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.

 

Accurate Component Matching

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.

Reliable Hydraulic Performance

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.

 

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Request A Free Quote

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.