293-8350 SEAL KIT | REPLACEMENT FOR CATERPILLAR

2938350 293-8350

  • Application: 307E2 305.5E2 301.7CR 306E2 301.8 301.9 304E2 307D 301.6 301.5 304CR 308E2SR 304SR 308E2CR 306E 305E2 303CR 308E 304E2 CR 305.5 GC 309 307 302CR 303.5E2 CR 305.5E2 CR 303 SR 304.5E2 305E2 CR 308E2 SR 303.5E2 308E2 CR 303.5CR 302.7CR 308E2
  • Customization: labels and logo
  • Delivery: 7-15 working days
  • Certifications: ISO9001/ITS

Approximate weight (lb):
0.01

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

Mini Hydraulic Excavators

307E2 305.5E2 301.7CR 306E2 301.8 301.9 304E2 307D 301.6 301.5 304CR 308E2SR 304SR 308E2CR 306E 305E2 303CR 308E 304E2 CR 305.5 GC 309 307 302CR 303.5E2 CR 305.5E2 CR 303 SR 304.5E2 305E2 CR 308E2 SR 303.5E2 308E2 CR 303.5CR 302.7CR 308E2

Petroleum Engines

C15 C13 C18 C11 C9

Industrial Engines

C32 C27 C18 C9 C9.3 C32B C11 C13 C15

Wheel Dozers

834 834K 854 824K 814K 814 824 854K 844H

Land Leveling Dozers

586C 2864C

Backhoe Loaders

427F2 414E 416F2 420F2 428F2 426 424B 424 432F2 422F 434E 422E 434F 444F 432F 430F2 415F2 420F 430F 444F2 426 F2 450F 422F2 416E 428F 416F 416C 428E 434F2

Transmission

CX35 TR16-C7.1

Track Skidder

527

Wheel Skidder

555D 535D 545D 525D

Petroleum Package

TH48-E70

Off-Highway Truck

D10R

Motor Grader

120M 140M 16GC 12M 24M 160M 140M 2 160M 2

Integrated Toolcarrier

IT62G II IT38G II IT38H

Hydraulic Excavator-Based SPL Solution

M322F

Skid Steer Loader

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

Wheeled Excavator

M314 MH3026 M315 M322 M320 M323 M318 M319 M316 M317 M314-07 M323F

Telehandler

TH3510D TH1055 TH0642 TH357D TH1255 TH0842 TH408D TH408

Underground Articulated Truck

AD22

Industrial Loader

415F2 IL

Wheel Tractor-Scraper

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

Wheeled Feller Buncher

2570C 2570D 2470C 573C 573D 563C 563D 2670C 553C 2670D

Compact Track Loaders

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

Articulated Trucks

740 GC 725 740 730

Wheel Loaders

962 966 972K 972M 972 972L 966 GC 986 950G II 988GC 962H 986H 950H 950K 962L 986K 962K 950M 995 950L 962M 993 926 924 930 938 966F 966L 966K 930K 966M 930M 950 966F II 962M Z 980K HLG 950M Z 950GC 814K 966K XE 990H 972M XE 938G II 993K 966M XE 924K 962G II 980H 980G 980L 980K 992K 980M 938H 938K 938M 994F 926M 994K 994H 982M

Off-Highway Trucks

772 770 777 775 773 777G 777E 773GC

Load-Haul-Dump (LHD) Loaders

R1700

Quarry Trucks

777E 775D 773E 771D 772G 770G

Track Loaders

973 953 973D 973K 963D 953K

Articulated Trucks

730

Engines

C32B C32B Industrial C27 Industrial

Engine - Machine

C27

Wheel Tractor-Scrapers

621K OEM

Water Delivery Systems

CAT WDS

Multi Terrain Loaders

277D 297D2 XHP 297D2 297D XHP 297D 287D

Locomotive Engines

C32 C27 C32B

Trucks

797 773G LRC 770G 772G 773E 773D 773G 773F 773G OEM 775G 775F 772G OEM 775E 777G 777F 775G OEM 772 770 775G LRC 770G OEM 769D

Landfill Compactors

836 826 816K 836K 816 826K

Material Handlers

MH3022 MH3024 MH3037 MH3049 MH3059

Soil Compactors

825 825K 815K 815

Track-Type Tractors

D6T LGP D10 D6T LGPPAT D6K2 XL D6T XW D6T XL D6K2 LGP D5R2 D6N OEM D5R XL D6N XL D6T D6N D6K D7E D6K LGP D4 D5 D10T2 D6K XL D6T XL PAT D6T XW PAT D6N LGP D6K2 D7E LGP

Mobile Hydraulic Power Unit

308E2 420F2 OEM-LIFT 307E

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.

SEAL KIT

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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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.