279-2491 VALEV PLATE | REPLACEMENT FOR CATERPILLAR

2792491 279-2491

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:
Carbon spring steel
Outer Diameter (in):
4.21
Thickness (in):
0.21
Approximate Weight (lb):
0.58
Material:
Steel

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.

Cold Planers

PM820 PM825 PM822 PM620 PM622 PM-201

Mini Hydraulic Excavators

305 308 307.5 309 306 307 305.5E2 CR 305E2 CR 306.5 305.5E2 305.5 CR 306E2 308E2 SR 308E2SR 308E2CR 305E2 308E2 CR 308.5 305.5E 308E 305.5 GC 305 CR 308E2

Petroleum Engines

C15 C18

Reclaimer/Stabilizers

RM800

Forestry Log Loaders

558

Industrial Engines

C18 C15

Backhoe Loaders

420XE 427F2 414E 424B HD 416F2 415 416 420F2 428F2 426 424B 428 424 420 432F2 434 430 432 444F2 426 F2 422F 444 434E 422E 434F 422F2 424B2 416E 428F 416F 428E 430F2 434F2 415F2

Motor Graders

24M

Skid Steer Loaders

262D3 246D3 270XE 272D3 XE 272D3 272D2 246D 250 272D 260 270 262D 272D2 XHP 265

Telehandlers

TH1255 TH0842 TH1055 TH0642

Industrial Loaders

415F2 IL

Wheel Tractor-Scrapers

627 623 621 627K LRC 632 623K LRC 621K

Compact Track Loaders

285XE 289D 279D3 299D 275 285 299D2 XHP 289D3 255 265 275XE 279D 299D3 XE 299D3 299D2

Articulated Trucks

730 EJECTOR 725 730 735

Forestry Products

548 558 568 538

Wheel Loaders

988K XE 926 988K 924K 924 930 938 926M

Hydraulic Shovels

6040

Wheel Tractors

623H 621K OEM 621H 627H

Multi Terrain Loaders

277D 297D2 297D 287D 297D2 XHP

Rotary Mixers

RM800

Material Handlers

MH3250 MH3260 MH3050

Compact Wheel Loaders

920K 914K 914M 914 918M 920

Truck Engines

C13 C15

Excavators

FM538 568 FM LL 548 320D2 FM 558 568 FM 538

Track-type Tractor

D4 D6K XL D6K2 XL D6K2 D6K2 LGP D6K D6K LGP

Road Reclaimer

RM800 RM600

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.