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Description

Cummins Sealing Components Overview

The Cummins seal kit from Keating Machine provides essential sealing hardware for 1989–2002 Cummins 5.9L engines. This kit supports both 12-valve and 24-valve applications. It works with billet tappet covers, block-off plates, timing covers, and related engine components that rely on O-ring sealing.

O-Ring Cord for Custom Fitment

This engine sealing kit includes 1/8-inch O-ring cord for custom-length sealing. Many billet components use non-standard grooves. Because of this, the O-ring cord allows precise sizing and trimming. As a result, builders can create exact-fit seals for custom or modified parts.

O-Rings for Common Cummins Applications

The kit also includes -147 O-rings. These O-rings fit many Cummins ports, plugs, and ancillary components. They resist oil, heat, and pressure. Therefore, they maintain sealing integrity through repeated heat cycles and long service intervals.

Copper Washer Sealing Hardware

M8 copper crush washers are included for high-pressure sealing. These washers work well on fuel, oil, and coolant fittings. Because copper deforms under torque, it creates a tight seal. As a result, this sealing hardware helps prevent leaks caused by vibration and thermal expansion.

Material Durability and Service Use

All materials in this Cummins seal kit resist oil exposure, heat, pressure, and vibration. Therefore, the kit performs well in daily-driven trucks, performance builds, and shop environments. It supports routine maintenance, component installation, and preventative sealing work.

Ideal Use Cases

This Cummins seal kit works well for engine rebuilds, resealing projects, billet component installation, and custom fabrication. Shops can also keep this kit on hand for fast, reliable service.