Caterpillar is the only OEM that makes its own hose components and assemblies. They are designed and tested as a system, not as individual components, and are manufactured to the highest quality and safety standards in the industry.

Cat Plugs are designed for installation in Cat fluid or air tanks and components. Cat® Plugs are engineered to provide an effective seal to prevent leakage when installed. Cat® Threaded caps and plugs are held to the highest standards of quality and reliability. These caps and plugs are manufactured to exacting tolerances to ensure leak free connections. Each Cat Threaded Cap and Plug is designed to meet or exceed industry standards for operating pressure, assembly torque capability, and corrosion protection to ensure a long life and proper machine functionality. Designed to meet or exceed the performance of industry standard parts and provide leak free connections. Available with a variety of drive types for convenience (Internal Hex, External Hex, Square, etc.). The part is designed to be interchangeable with the OEM part.

Technical Specification
Manufacturer: Caterpillar
Item number: 9S-4185
Unit pack: 5
Thread Size: 3/4" - 16
Length: 1”
Height: 0.8”
Material Description: Plated Steel
O-Ring Seal: 3K-0360
Product condition: New. Package Sealed