5J-8275-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT 426B 980G D8N 963C

5J-8275-3K Hydraulic Cylinder Seal Kit for Caterpillar Equipment

Maintain maximum hydraulic efficiency and eliminate fluid leaks with this professional-grade 5J-8275-3K hydraulic cylinder seal kit. Specifically engineered for a wide variety of Caterpillar (CAT) heavy machinery, including backhoe loaders, dozers, and wheel loaders, this kit provides a high-performance sealing solution for critical lift, tilt, and steering operations. Manufactured by WINSCHEN using premium elastomeric materials, these seals are built to withstand the rigorous demands of US construction and mining sites.

Key Features

Superior Leak Prevention: High-resistance seals effectively contain hydraulic fluid, preventing cylinder drift and ensuring precise machine control during heavy lifting or grading.
Direct OEM Fit: Precision-matched to Caterpillar factory specifications for a quick, hassle-free installation that minimizes labor costs and machine downtime.
Industrial-Grade Durability: Engineered to handle extreme hydraulic pressure surges and resist abrasive job site contaminants like dirt, grit, and mud.
Complete Overhaul Kit: Includes all essential rod seals, piston seals, and O-rings required for a comprehensive hydraulic cylinder rebuild.
Cost-Effective Reliability: Delivers original equipment quality at a competitive aftermarket price, maximizing your equipment’s ROI and operational lifespan.

Compatible Equipment Models

Backhoe Loaders: 426B, 426C, 436, 436B, 436C, 438B, 438C, 446, 446B Track-Type Tractors (Dozers) : D7H, D7R, D8N, D10N Caterpillar

Wheel Loaders: 936, 936F, 938F, 938G, 980C, 980F, 980G, 988 Caterpillar

Track Loaders: 963, 963B, 963C, 977K, 977L Articulated Trucks & Off-Highway Trucks : D250D, D40D, 789, 793, 793C, 793D Wheel Scrapers & Caterpillar

Tractors: 615, 621B, 621E, 631D, 637E, 641B Specialized : 215/215B Excavators, IT38F/IT38G Integrated Toolcarriers, 836G Landfill Compactor Caterpillar

Seal Kit Related Parts

Part No	Qty	Parts name
5J-8275	1	SEAL-U-CUP
6J-6553	1	SEAL-RING
1J-3540	1	SEAL

Specifications

Part Number	5J-8275-3K (5J82753K)
Part Type	Hydraulic Cylinder Seal Kit / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-5J-8275-3K
MOQ	1 SET
Delivery Time	1-3 business days

Unsure about fitment? Contact our technical support team with your Caterpillar machine. We offer fast shipping to keep your fleet in top working condition.

Related Caterpillar Seal Kit Categories

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