5J-8375-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT D6D D6E D6G D7G Dozer

5J-8375-3K Hydraulic Cylinder Seal Kit – Premium Aftermarket Replacement for Caterpillar

Restore peak performance and eliminate hydraulic fluid leaks with this professional-grade 5J-8375-3K hydraulic cylinder seal kit. Specifically engineered for Caterpillar (CAT) D6 and D7 series track-type tractors, this kit provides a high-performance sealing solution for blade lift and tilt cylinders. Each component is manufactured by WINSCHEN using premium elastomeric materials to ensure a leak-free seal and extended service life under the heavy-duty demands of earthmoving and land clearing.

Key Features and Selling Points

• Eliminate Oil Leaks: High-resistance seals effectively contain hydraulic fluid, preventing cylinder drift and ensuring precise blade control.
• Direct OEM Fit: Matches Caterpillar specifications for a quick, hassle-free overhaul, reducing machine downtime and labor costs.
• Superior Durability: Built to withstand extreme hydraulic surges and abrasive contaminants like dirt, grit, and mud commonly found on job sites.
• Complete Repair Solution: Includes all essential rod seals, piston seals, and O-rings required for a comprehensive hydraulic cylinder rebuild.
• Cost-Effective Reliability: Delivers original equipment sealing performance at a competitive aftermarket price, maximizing your fleet’s ROI.

Compatible Equipment Models

Based on official compatibility data, the 5J-8375-3K seal kit fits cylinders on the following Caterpillar (CAT) models:

• Track-Type Tractors (Dozers): D6D, D6E, D6G, D6G2, D7G, D7G2
• Wheel Loaders: 950, 966C, 980B

Specifications

Unsure about fitment for your CAT dozer? Contact our technical support team with your machine’s serial number or cylinder part number for expert confirmation. We offer fast global shipping to keep your heavy machinery moving.