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

5J-0964-3K Hydraulic Cylinder Seal Kit for Caterpillar Equipment

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

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

Wheel Loaders: 916, 924F, 926, 936F, 938G, 950, 966D, 966R, 980B, 980G, 988, 992 Caterpillar

Excavators: 215, 215B, 235, 245, 322B L, 325B L, 330B L, 350, 375 Caterpillar

Backhoe Loaders: 416B, 416C, 426, 428B, 438, 438C Caterpillar

Motor Graders: 12E, 140B, 14G, 16G, 16H Wheel Caterpillar

Scrapers: 611, 613C, 615, 621B, 621E, 623E, 627E, 631C, 637E Caterpillar

Track Loaders: 943, 953, 955L, 973, 977, 983 Caterpillar

Seal Kit Related Parts

Part No	Qty	Parts name
5J-0964	1	SEAL-U-CUP
8C-3839	1	SEAL
8C-3840	1	SEAL-LIP

Specifications

Part Number	5J-0964-3K (5J09643K)
Part Type	Hydraulic Cylinder Seal Kit / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-5J-0964-3K
MOQ	1 SET
Delivery Time	1-3 business days

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

Related Caterpillar Seal Kit Categories

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