5J-8200-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT 966D 966F D4H 12G

5J-8200-3K Hydraulic Cylinder Seal Kit – Premium Aftermarket Repair Solution for Caterpillar

Eliminate hydraulic fluid leaks and restore peak machine performance with this professional-grade 5J-8200-3K hydraulic cylinder seal kit. Specifically engineered for a vast range of Caterpillar (CAT) heavy equipment, including 966 series wheel loaders, D4/D5 series dozers, and G/H series motor graders, this kit provides a high-performance sealing solution for critical lift, tilt, and steering cylinders. Manufactured by WINSCHEN using premium-grade elastomeric materials, these seals are built to withstand extreme pressure and harsh job site conditions.

Key Features and Selling Points

• Maximum Leak Protection: Precision-engineered seals prevent fluid bypass and cylinder drift, ensuring safe, responsive, and accurate attachment control.
• Direct OEM Fit: Designed to match Caterpillar factory specifications exactly for a quick, hassle-free overhaul, reducing labor costs and machine downtime.
• Industrial-Grade Durability: Superior resistance to high hydraulic pressure surges and abrasive contaminants like dirt, mud, and grit.
• Complete Service Kit: Includes all essential rod seals, piston seals, and O-rings (8C-9124, 8C-9133) required for a comprehensive cylinder rebuild.
• Cost-Effective Reliability: Delivers original equipment quality at a competitive aftermarket price, maximizing your fleet’s ROI and operational lifespan.

Compatible Equipment Models

Based on official catalog data and industry-standard compatibility, the 5J-8200-3K kit fits various Caterpillar (CAT) models, including:

• Wheel Loaders: 920, 930, 950, 966D, 966F, 966G, 970F, 972G
• Track-Type Tractors (Dozers): D3B, D4E, D4H, D4H XL, D5H, D5H XL, D5M, D5N, D6M
• Motor Graders: 12G, 12H, 120H, 130G, 140G, 140H, 14G, 16G, 160G
• Backhoe Loaders: 416B, 416C, 426B, 426C, 428B, 428C, 436C, 438C, 446B
• Excavators: 215, 215B, 215C, 215D, 225, 245
• Track Loaders: 931B, 931C, 935C, 939, 941, 943, 951B, 953C, 963, 973
• Wheel Scrapers & Tractors: 613, 613B, 613C
• Articulated Trucks: D250B, D250E, D300E, D350E, D400E

Specifications

Unsure about fitment for your Caterpillar machine? Contact our technical support team with your machine serial number or cylinder part number for expert confirmation. We offer fast shipping to keep your equipment back on the job.