343-2906 BEARING | REPLACEMENT FOR CATERPILLAR

3432906 343-2906

Application: M323F M313-07 M315C M315D M315D2 M317D2 M314-07 M316C M316F M316D M313C M314 M313D M315 M312 M314F M317
Customization: Labels and logo
Delivery: 7-15 working days
Warranty: 6-12 months
Certifications: ISO 9001 / CE

Height (in):
0.9566
Inner Diameter (in):
2.677
Outer Diameter (in):
3.0708
Material:
Carbon Steel, Polyamide Plastic

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

PM312 PM313 PM310

Paving Compactors

C13 MARINE MG630

Wheeled Excavators

M323F M313-07 M315C M315D M315D2 M317D2 M314-07 M316C M316F M316D M313C M314 M313D M315 M312 M314F M317

Reclaimer/Stabilizers

RM400

Excavators

M315F M317F M312 M315

Single-Drum Vibratory Rollers

CS12 GC CS10 CS11 CS12 CP13 GC CS13 CS13 GC CS10 GC CP12 GC CP13 CS11 GC

Track-Type Tractors

D3G D5K LGP D4K LGP D4G D5K XL D3K XL D5G D4K XL D3K LGP

Vibratory Compactors

CS11 GC CS-54 CP-54 CS10 GC CP-533E CS-533E CP11 GC CP12 GC

Asphalt Pavers

AP-300D AP300 AP300F

Road Reclaimers

RM400

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.

bearing

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.