5J-8150-3K Hydraulic Cylinder Seal Kit for Caterpillar CAT 416B 120H D6D 950

5J-8150-3K Hydraulic Cylinder Seal Kit for Caterpillar Equipment

Maintain maximum hydraulic pressure and eliminate fluid leaks with this professional-grade 5J-8150-3K hydraulic cylinder seal kit. Specifically engineered for an extensive range of Caterpillar (CAT) machinery, including 416 series backhoe loaders, H-series motor graders, and D6D dozers, 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, earthmoving, and mining sites.

Key Features

Maximum Leak Prevention: High-resistance seals effectively contain hydraulic fluid, preventing cylinder drift and ensuring precise, responsive attachment control.
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 (6J-9733, 8C-9131) 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: 416B, 416C, 416D, 420D, 424D, 426, 426B, 426C, 428, 428B, 428C, 428D, 432D, 436C, 438C, 438D, 442D Caterpillar

Motor Graders: 120B, 120G, 120H, 12G, 12H, 130G, 135H, 140B, 140G, 140H, 143H, 14E, 16, 160G, 160H, 16G Track-Type Tractors (Dozers) : D3B, D3C III, D4C III, D5B, D5C III, D6D, D10, D11N Caterpillar

Wheel Loaders: 910, 910G, 916, 918F, 920, 924F, 926, 928F, 930R, 950 Caterpillar

Track Loaders: 931B, 933, 939 Integrated Toolcarriers : IT12B, IT14G, IT18B, IT18F, IT24F, IT28, IT28B Wheel Scrapers & Caterpillar

Tractors: 627B, 637D, 657B, 657E Other : 769 Truck, 508 Wheel Skidder, 8D Ripper Caterpillar

Seal Kit Related Parts

Part No	Qty	Parts name
5J-8150	1	SEAL-U-CUP
6J-9733	1	SEAL-RING
8C-9131	1	SEAL-LIP

Specifications

Part Number	5J-8150-3K (5J81503K)
Part Type	Hydraulic Cylinder Seal Kit / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-5J-8150-3K
MOQ	1 SET
Delivery Time	1-3 business days

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

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