32A87-06100 12V Stop Shutoff Solenoid Valve for Mitsubishi S4Q S4S S6S Diesel Engine

Product Overview

This aftermarket shutoff solenoid valve, part number 32A87-06100, serves as a vital safety control component for Mitsubishi diesel engine fuel supply systems. Built as a 3-wire electric actuator, it is activated by the ignition switch or ECU. The unit pulls or pushes the fuel pump shutdown lever to control engine startup and emergency shutdown, working on a 12V DC power supply. Designed for rugged industrial and construction environments, it withstands vibration, dust and fuel contamination common on job sites. It fits Mitsubishi S4Q, S4S, S6S engines with RSV governors, widely used on compact excavators, wheel loaders and generator sets from multiple equipment brands. Several fully interchangeable part numbers are available for simple drop-in replacement during engine service or troubleshooting.

Key Specifications

FAQs

Q: What symptoms show the 32A87-06100 shutoff solenoid has failed?

A: Engine cranks normally but refuses to start; or the engine keeps running and cannot shut down after turning off the key. You may not hear the typical click sound when powering on the solenoid.

Q: What engines and machines does this 12V stop solenoid fit?

A: Mitsubishi S4Q, S4S, S6S diesel engines with RSV governors. Fits Ecomat, small CAT/Mitsubishi excavators, Terex & Schaeff wheel loaders, Cummins and SDMO generator sets with Mitsubishi power units.

Q: What causes the shutoff solenoid to malfunction?

A: Burnt or broken pull coil, stuck internal spring and armature, or mechanical seizure caused by fuel varnish and dirt buildup.

Q: Are there interchangeable part numbers for this stop solenoid?

A: Yes, direct replacements: 32A87-15100, 32A87-05100, 32A87-17010, also reference 1752ES and SA-4014-12.

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