5J-8350-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT D10 D11N D8L D9N Dozer

5J-8350-3K Hydraulic Cylinder Seal Kit – Premium Aftermarket Replacement for Caterpillar

Maximize machine uptime and eliminate costly hydraulic leaks with this professional-grade 5J-8350-3K hydraulic cylinder seal kit. Specifically engineered for Caterpillar (CAT) heavy-duty equipment including D8, D9, D10, and D11 series dozers and large wheel loaders, this kit provides a high-performance sealing solution for critical cylinder operations. Each component is manufactured by WINSCHEN using industrial-grade elastomeric materials to ensure a leak-free seal and extended service life in high-pressure mining and earthmoving environments.

Key Features and Selling Points

• Stops Hydraulic Leaks: Precision-engineered seals effectively contain hydraulic fluid, preventing cylinder drift and ensuring smooth, responsive control of blades and buckets.
• Direct OEM Fit: Matches Caterpillar specifications for a quick, hassle-free overhaul, significantly reducing machine downtime and labor costs.
• Industrial-Grade Durability: Built to withstand extreme hydraulic surges and abrasive job site contaminants like dirt, grit, and mud.
• 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 quality at a competitive aftermarket price, maximizing your fleet’s operational efficiency.

Compatible Equipment Models

Based on the provided catalog and industry data, the 5J-8350-3K seal kit fits cylinders on the following Caterpillar (CAT) models:

• Track-Type Tractors (Dozers): D8L, D8N, D9H, D9N, D9R, D10, D10N, D10R, D11N, D11R, 8A, 8S, 8U, 9A, 9S
• Wheel Loaders: 966G, 972G, 972G II, 980C, 980F, 980G, 988B, 988F II, 992
• Excavators: 215, 215B, 215C, 215D, 225, 225D, 245, 245B, 5230
• Wheel Tractors/Scrapers: 641, 641B, 651E, 657, 657B, 657E, 666
• Track Loaders: 931B, 983, 983B
• Mining/Articulated: R1600, R1600G, 769
• Reclaimers/Stabilizers: RM-350B, RR-250, SM-350

Specifications

Unsure about fitment for your Caterpillar equipment? 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.