
Plug pipe
Plug pipe
Application: EMD water pump assemblies
Part of our Water pump product line
The Plug — Pipe is identified by EMD Part No. 8348618 and DLW Part No. 17300058. EMD water-pump parts references identify 8348618 as PLUG Pipe, while EMD parts listings provide the more specific description Pipe Plug 1/4 MPT. The component is included in the EMD water-pump parts listing and should be identified using the correct EMD and DLW part numbers and specified pipe-thread configuration when sourcing or replacing it.
How This Part Works
The Plug — Pipe is a threaded plug used within the EMD water-pump assembly. It closes the designated threaded opening in the applicable water-pump component. Proper installation and condition of the pipe plug are important for maintaining the intended sealed condition of the connection.
Signs It's Time to Replace
- Thread damage: damaged or deformed plug threads can affect proper installation and sealing
- Sealing concerns: leakage at the plug location can indicate a problem with the plug or its threaded connection
- Visible damage: cracking, deformation, or damage to the plug should be assessed before reuse
- Corrosion: significant corrosion or material deterioration should be evaluated for serviceability
- Improper fit: the replacement plug should match the specified 1/4 MPT configuration
Apex focuses on EMD engine components and water-pump system parts for EMD applications. The Plug — Pipe is identified by EMD Part No. 8348618 and DLW Part No. 17300058, allowing customers to source the component using established EMD and DLW references. Its identification as the 1/4 MPT pipe plug helps distinguish it from other pipe plugs and threaded plugs used in EMD engine systems.
See all Water pump parts →- Engine Compatibility
- EMD 645 & EMD 710 Series
- Applications
- Locomotive · Marine · Power Generation
- Quality Standard
- ISO 9001:2015 Certified · OEM Grade






































