
Snap Ring
Snap Ring
Application: EMD water pump assemblies
Part of our Water pump product line
The Snap Ring is identified by EMD Part No. 8370886 and DLW Part No. 20340205. EMD parts references specifically identify 8370886 as a Snap Ring, while EMD water-pump component listings cross-reference it with DLW Part No. 20340205. The component is included in the EMD water-pump parts set and should be identified using the correct EMD and DLW part numbers and applicable water-pump configuration.
How This Part Works
The Snap Ring is a retaining component used within the EMD water-pump assembly. It is installed in its specified retaining location to secure the associated component in position within the assembly. Correct installation and condition of the snap ring are important for maintaining the intended arrangement of the water-pump components.
Signs It's Time to Replace
- Loss of retaining function: deformation or deterioration can affect the snap ring's ability to retain the associated component
- Visible deformation: bending, distortion, or other physical damage should be assessed during inspection
- Cracking or breakage: visible cracking or breakage can compromise the snap ring's serviceability
- Corrosion: significant corrosion or material deterioration should be evaluated
- Improper seating: the snap ring should be correctly seated in its specified retaining location
Apex focuses on EMD engine components and water-pump system parts for EMD applications. The Snap Ring is identified by the specific EMD Part No. 8370886 and DLW Part No. 20340205, allowing customers to source the component using established EMD and DLW references. Its precise part-number identification helps distinguish this snap ring from the separate retaining ring, EMD 8042973 / DLW 20340199, used in the EMD water-pump component arrangement.
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






































