
Handle — Test Valve
Handle — Test Valve
Application: EMD cylinder test valve assemblies
Part of our Cylinder test valve product line
The Handle — Test Valve is identified by EMD Part No. 40054495. The available EMD parts reference identifies 40054495 as Handle Test Valve, while the Apex parts reference lists 8048880 with this component. The part is associated with the cylinder test valve arrangement used in EMD engine applications.
How This Part Works
The Handle — Test Valve is the handle component associated with the EMD cylinder test valve arrangement. It provides the designated manual interface for operating the test valve assembly.
Signs It's Time to Replace
- Visible handle damage: cracking, breakage, or deformation should be assessed
- Loose handle: abnormal looseness at the handle connection should be investigated
- Difficult operation: abnormal resistance or difficulty operating the test valve should be assessed
- Connection damage: deterioration at the handle-to-valve connection can affect operation
- Corrosion or deterioration: significant deterioration should be evaluated for serviceability
Apex focuses on EMD engine components and cylinder test-valve parts for EMD applications. The Handle — Test Valve is identified by EMD Part No. 40054495, with 8048880 listed as the associated reference in the available parts documentation. This specific identification helps distinguish the test-valve handle from the valve body, needle valve, seal, and packing nut.
See all Cylinder test valve parts →- Engine Compatibility
- EMD 645 & EMD 710 Series
- Applications
- Locomotive · Marine · Power Generation
- Quality Standard
- ISO 9001:2015 Certified · OEM Grade





