Multiquip 0602123261 Water Temperature Unit

The Multiquip 0602123261 Water Temperature Unit is a genuine OEM replacement designed for DCA and MQP series diesel-powered generators, including models DCA125USJ, DCA300SSC, DCA300SSCU, DCA125SSJU, DCA125SSJU2, DCA150SSJU. Sourced directly from Multiquip, this part meets the original design specifications for the cooling system monitoring circuit on these generator families. Verifying your model number against the fitment list before ordering ensures a direct, hassle-free installation.

Key Features

• Genuine OEM Cooling Sensor Accuracy — Built to the original electrical resistance and calibration specification for the coolant temperature circuit, so readings at the gauge or control panel remain accurate.
• Direct-Connect Installation — Threads and connector interface match the original sender port on the engine block, allowing a straight swap with no adapter hardware.
• Broad DCA and MQP Generator Compatibility — Confirmed fit across DCA70SSJU, DCA125USJ, DCA150SSJU, DCA300SSC, DCA45SSIU3, DCA150SSVU, MQP240, and related Super-Silent and Ultra-Silent series models.
• Protects Engine from Thermal Damage — A properly functioning water temperature unit keeps the generator's coolant monitoring circuit live, enabling the control system to respond to overheating conditions before engine damage occurs.
• Critical Safety Circuit Integrity — On diesel generators, an inaccurate or failed temperature sender can mask thermal runaway conditions; replacing with the correct OEM unit keeps the protection system fully operational.

The water temperature unit is a sender-type sensor threaded into the engine cooling passage that monitors coolant temperature and transmits a corresponding electrical signal to the generator's gauge or engine control module. This signal gives the operator real-time visibility into engine thermal status and triggers automatic shutdown or alarm functions when temperature thresholds are exceeded. When the unit fails or drifts out of calibration, coolant temperature readings become unreliable or disappear entirely, leaving the engine vulnerable to undetected overheating and potential seizure.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.