168-7944 RETAINER PLATE | REPLACEMENT FOR CATERPILLAR

1687944 168-7944

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.

Cold Planer

PM-465

Track Loader

973K

Front Shovel

385C 5090B

Wheel Dozer

834H

Vibratory Compactor

CS-56 CS-54 CP-54 CP-56 CP-533D CP-533C CP-533E CS-533C CS-533D CS-533E CP-563E CP-563D CS-531D CS-563C CS-563D CP-563C CS-563E CS-531C

Landfill Compactor

836H

Mining Excavator

5110B

Feller Buncher

345C

Wheeled Excavator

W345C MH

Telehandler

TH330B TH560B TH350B TH580B TH220B TH340B TH360B TH355B TH460B

Underground Articulated Truck

AD60 AD55B AD63

Excavator

385C L 365C L 365C L MH 385C L MH 374D L 390D 345C L 365B II 390D L 365B L 385C FS 345C MH 365C 385B 385C 345C 365B

Track-Type Tractor

D6T XW D6T LGP D6T XL D8 D8T D8R D8N D5N D6T LGPPAT D11R D11T D6T XL PAT D6T XW PAT D6T

Wheel Loader

972G II 980G II 924H 924G 988H 972G 980H 980G 924GZ 966G 924HZ 966G II

Mobile Hydraulic Power Unit

365C L 345C 385C 385C L 345C L

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.

retainer plate

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.

 

Related Products

Reliable accessory solutions suitable for a variety of engineering machinery and operating scenarios, ensuring stable equipment operation and effectively reducing maintenance and operating costs.
Guide

Guide

6E-6155

shaft

shaft

1621604 162-1604

valve plate

valve plate

120-5724

valve plate

valve plate

192-9219

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.