National Item Identification Number

01-437-0674
014370674
2990-01-437-0674
2990014370674

National Stock Number

Item Name

SENSOR,ENGINE COOLANT TEMPERATURE,EMISSION CONTROL

Federal Supply Class

2990

Description

A metallic and/or non-metallic device with various ports on one end and a wrenching facility between ends. The opposite end may be threaded and contain a temperature probe. It is normally located on the upper engine block, on the water jacket or screwed into the upper radiator tank. Depending on individual temperature calibration it opens or closes various ports in order to channel manifold vacuum to devices which activate, de-activate or modify functions in fuel economy, cold temperature override, thermal ignition control, exhaust gas recirculation and other systems by sensing engine water temperature.

Commercial and Government Entity Code (Supplier Data)

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24617

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Reference Numbers (Part Numbers)

15955710

Required Categories

SPECIAL FEATURES

Required Description

THERE IS A SECOND OIL PRESSURE SHUT-OFF SWITCH WHICH IS SUPPLIED BY CATERPILLAR