Overview — Retainer Plug 179063
179063 is the retainer plug used on CUMMINS engines and hydraulic components to close, retain or locate parts in a bore, keeping components in position and sealing the opening against pressure and contamination. We can supply all the original and replacement part numbers listed below, in stock or available on order — welcome to enquire by part number.
Parts Characteristics
The plug is machined to the original diameter, thread or interference profile of the bore it closes, with a form that locates positively against the mating face. The material matches the original specification so the plug holds its dimensions under pressure and temperature, and the surface finish allows a clean seal with the fitted seal or gasket. Depending on the application, the plug may carry a thread for removal, a drive point, or a shoulder that retains the adjacent component. As an OEM-spec part, it restores the designed retention and sealing function without modification to the bore.
Applicable Models & Applications
This retainer plug is used across CUMMINS engine and hydraulic applications where a bore opening must be closed or a component retained, including oil galleries, hydraulic manifolds, pump and valve housings, and mechanical assemblies. The family covers the same duty across a range of adjacent builds, with the reference numbers 3012726, 3023994, 3067950, 3081668, 3093015, 3093017, 3412892, 3646781, 3821725, 3895718 and 3896648 identifying related variants. Confirm the diameter, thread form and depth of the bore against the plug removed from your component before ordering.
Maintenance & Replacement
Inspect plugs during overhaul for corrosion, thread damage, or leakage at the seal point. A leaking plug in a hydraulic or oil circuit allows pressure loss and contamination ingress, which can damage the very components the plug protects. When replacing, clean the bore and remove all old sealant or gasket material, then fit the new plug with the seal or sealant specified in the manual. Tighten threaded plugs to the correct torque and check for leaks under operating pressure before returning the component to service. Keep the original plug for comparison if there is any doubt about the correct variant.
Price Reference (USD)
The reference price for this Retainer Plug (179063) is approximately USD 5 – 20 per unit depending on size, brand grade, quantity and shipping destination. This is a planning estimate only — confirm current pricing and availability with our sales team before ordering.
Also in the PLUG RETAINER Series
3012726, 3023994, 3067950, 3081668, 3093015, 3093017, 3412892, 3646781, 3821725, 3895718, 3896648.
Value & Service
Plugs are small, inexpensive parts whose failure can empty an oil gallery or let contamination into a new hydraulic assembly, so we verify 179063 against the original CUMMINS specification and confirm diameter, thread and seal requirement before dispatch. We stock the plug and the full family listed above and can supply any variant in the series, shipped worldwide with tracking. Quantity pricing is available for overhaul shops, and our team can identify the correct family number if the original has been superseded.
Racer Machinery is a dedicated construction-machinery parts supplier — send us your part number and machine model, and we will confirm fitment, price and lead time for this retainer plug and related CUMMINS components.
