5J-0964-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT D6D D6R 966D 980G

5J-0964-3K Hydraulic Cylinder Seal Kit – Premium Aftermarket Repair Solution for Caterpillar

Restore peak hydraulic performance and eliminate fluid leaks with this professional-grade 5J-0964-3K hydraulic cylinder seal kit. Specifically engineered for a vast range of Caterpillar (CAT) heavy machinery, including D6/D7 series dozers, 966/980 series wheel loaders, and 215/235 excavators, this kit provides a high-pressure sealing solution for critical lift, tilt, and steering operations. Manufactured by WINSCHEN using industrial-grade elastomeric materials, these seals are built to withstand extreme friction and heat in the most demanding job sites.

Key Features and Selling Points

• Eliminate Hydraulic Leaks: Precision-engineered seals stop fluid loss and prevent cylinder drift, ensuring safe and responsive attachment control.
• Direct OEM Fit: Designed to match Caterpillar factory specifications exactly for a quick, hassle-free overhaul, reducing labor costs and machine downtime.
• Maximum Durability: High resistance to hydraulic pressure surges and abrasive contaminants like dirt, mud, and grit.
• Complete Service Kit: Includes essential rod seals, piston seals, and O-rings (8C-3839, 8C-3840) required for a comprehensive cylinder rebuild.
• Cost-Effective Reliability: Delivers original equipment quality at a competitive aftermarket price, maximizing your fleet’s ROI.

Compatible Equipment Models

Based on official catalog data and industry-standard compatibility, the 5J-0964-3K kit fits various Caterpillar (CAT) models, including:

• Track-Type Tractors (Dozers): D4E, D5B, D5H, D5M, D6D, D6G, D6H, D6R, D6R II, D7G, D7H, D7R
• Wheel Loaders: 916, 924F, 926, 936F, 938G, 950, 966D, 966R, 980B, 980G, 988, 992
• Excavators: 215, 215B, 235, 245, 322B L, 325B L, 330B L, 350, 375
• Backhoe Loaders: 416B, 416C, 426, 428B, 438, 438C
• Motor Graders: 12E, 140B, 14G, 16G, 16H
• Wheel Scrapers: 611, 613C, 615, 621B, 621E, 623E, 627E, 631C, 637E
• Track Loaders: 943, 953, 955L, 973, 977, 983

Specifications

Unsure about fitment for your CAT equipment? Contact our technical support team with your machine serial number for expert confirmation. We offer fast shipping to minimize your equipment’s downtime.