Washer — Special
EMD Part No.: 8042977DLW Part No.: 20394044
Washer — Special
Application: EMD water pump assemblies
Part of our Water pump product line
The Washer — Special is identified by EMD Part No. 8042977 and DLW Part No. 20394044. EMD water-pump parts references identify 8042977 as a special washer used in the water-pump assembly. The documented water-pump specification identifies the washer as 2-5/8 inches outside diameter, 1-1/32 inches inside diameter, and 1/4 inch thick. The component should be identified using the correct EMD and DLW part numbers and specified dimensions when sourcing or replacing it.
How This Part Works
The Washer — Special is a fastening and spacing component within the EMD water-pump assembly. It provides the specified washer interface at its designated fastening location and works with the associated water-pump hardware. Correct dimensional fit is important for proper installation within the water-pump assembly.
Signs It's Time to Replace
- Visible deformation: bending, distortion, or other physical deformation can affect proper seating
- Surface damage: significant damage, scoring, or deterioration of the washer surfaces should be assessed
- Corrosion: significant corrosion or material deterioration should be evaluated for serviceability
- Improper fit: the replacement washer should match the specified EMD part number and documented dimensions
- Abnormal seating: uneven or improper seating at the fastening interface should be investigated during maintenance
Apex focuses on EMD engine components and water-pump system parts for EMD applications. The Washer — Special is identified by EMD Part No. 8042977 and DLW Part No. 20394044, allowing customers to source the component using established EMD and DLW references. Its specific part-number and dimensional identification helps distinguish this water-pump special washer from standard flat and lock washers used elsewhere in the assembly.
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
OEM GradeExport QualityReady Stock
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