Bolt — Hex head, 5/16-18 × 7/8 - / 6 NOS
EMD Part No.: 9543448DLW Part No.: 20011180
Bolt — Hex head, 5/16-18 × 7/8 - / 6 NOS
Application: EMD water pump assemblies — left bank and right bank
Part of our Water pump product line
The Bolt — Hex Head, 5/16-18 × 7/8 is identified by EMD Part No. 9543448 and DLW Part No. 20011180. EMD parts references identify 9543448 as a hex-head 5/16-18 × 7/8 Nylock bolt. The EMD water-pump repair-kit specification lists this bolt as a critical bought-out component, with 6 Nos. required per kit, and identifies the kit components as being used in both left-bank and right-bank water-pump assemblies.
How This Part Works
The Bolt — Hex Head, 5/16-18 × 7/8 is a fastening component used within the EMD water-pump assembly. It secures the applicable water-pump components at their specified fastening connection. The part is identified as a Nylock bolt in EMD parts references and is included among the fastening components of the water-pump repair arrangement.
Signs It's Time to Replace
- Thread damage: damaged or deformed threads can affect proper installation and secure fastening
- Visible bolt damage: bending, deformation, cracking, or other physical damage should be assessed before use
- Loss of locking function: deterioration of the Nylock locking feature can affect resistance to loosening
- Corrosion or surface deterioration: significant corrosion should be evaluated for serviceability
- Improper fit: the bolt should match the specified 5/16-18 × 7/8 in configuration for the applicable water-pump assembly
Apex focuses on EMD engine components and water-pump system parts for EMD applications. The Bolt — Hex Head, 5/16-18 × 7/8 is identified by the specific EMD Part No. 9543448 and DLW Part No. 20011180, allowing customers to source the component using established EMD and DLW references. Its precise identification by thread size, length, locking configuration, and water-pump application helps customers select the correct fastening component for the applicable EMD water-pump 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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