5J-8275-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT 426B 980G D8N 963C
Premium aftermarket 5J-8275-3K Hydraulic Cylinder Seal Kit direct replacement for Caterpillar CAT 426B, 980G, D8N, and 963C series machines. Specifically designed to stop hydraulic leaks and restore maximum cylinder power. Built with high-durability materials for long-lasting performance in extreme construction and mining conditions. In stock and ready for fast shipping!
Brand:WINSCHEN
Country of Origin:CHINA
Minimum order quantity:1 SET
Delivery time:1-3 Days
SKU:CTC-5J-8275-3K
5J-8275-3K Hydraulic Cylinder Seal Kit – Premium Aftermarket Repair Solution for Caterpillar
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 and Selling Points
- 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
Based on official catalog data and industry-standard compatibility, the 5J-8275-3K kit fits various Caterpillar (CAT) models, including:
- Backhoe Loaders: 426B, 426C, 436, 436B, 436C, 438B, 438C, 446, 446B
- Track-Type Tractors (Dozers): D7H, D7R, D8N, D10N
- Wheel Loaders: 936, 936F, 938F, 938G, 980C, 980F, 980G, 988
- Track Loaders: 963, 963B, 963C, 977K, 977L
- Articulated Trucks & Off-Highway Trucks: D250D, D40D, 789, 793, 793C, 793D
- Wheel Scrapers & Tractors: 615, 621B, 621E, 631D, 637E, 641B
- Specialized Equipment: 215/215B Excavators, IT38F/IT38G Integrated Toolcarriers, 836G Landfill Compactor
Specifications
| Part Number | 5J-8275-3K (5J82753K) |
| Part Type | Hydraulic Cylinder Seal Kit |
| Application | Lift / Tilt / Steering Cylinder Service |
| Brand | WINSCHEN (Premium Aftermarket) |
| MOQ | 1 Set |
Unsure about fitment? Contact our technical support team with your Caterpillar machine serial number or cylinder part number for expert confirmation. We offer fast shipping to keep your fleet in top working condition.
Only logged in customers who have purchased this product may write a review.

















Reviews
There are no reviews yet.