155-9137 VALEV PLATE | REPLACEMENT FOR CATERPILLAR

1559137 155-9137

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 Description:
Steel
Outer Diameter (in):
3.3
Total Length (in):
4.48
Total Width (in):
1.93
Thickness (in):
0.2
Weight (lb):
0.84
Material:
Carbon Steel, Alloy Copper

HYDSTAR® hydraulic pumps and core components—including pump shafts, gears, bearings, oil seals, swash plates,valve plate, 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.

Front Shovel

385C 5090B

Wheel Dozer

824K 824

Transmission

TR16-C7.1

Wheel Skidder

535D 545D 555D 525D

Asphalt Paver

AP400 AP455

Truck

797

Landfill Compactor

826 826K

Motor Grader

24 12M 3 12M 2 140M 3 AWD 12M 3 AWD 140M 3 140M 2 120M 2 160 160M 2 160M 3 150 160M 3 AWD 140

Material Handler

MH3250 MH3037

Wheeled Excavator

W345C MH W345B II M316F M314F M330D

Excavator

340 345B II 345B L 330D MH 336 GC 336D MH3295 336D2 L 330D LN 340D2 L FM548 390D 345C L 390D L 336D LN 336D2 GC 340D L 335 336 3101 385C FS 385B 330D FM 385C 345B 345C 336 MHPU 385C L 395 385C L MH 336D L 336D2 345B II MH FM558 330D 374 345C MH 330D L 345 GC

Forestry Products

548 558

Single-Drum Vibratory Roller

825 825K

Track-Type Tractor

D6 D6XE D6 XE D6T D7E LGP D7E

Wheel Loader

966F II 962M Z 962 950M Z 950K 962L 962K 950M 950L 962M 966F 950

OEM Mobile Hydraulic Power Unit

336MHPU

Mobile Hydraulic Power Unit

330D L 345C 385C 340D2 L 336D L 330D 385C L 336D 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.

valve 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.

 

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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.