Multiquip RE64354 Thermostat DCA70SSJU 4045TF150

The Multiquip RE64354 Thermostat DCA70SSJU 4045TF150 is a genuine OEM thermostat designed for the DCA70SSJU ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, RE64354 delivers the exact calibration required by the 4045TF150 engine to maintain correct operating temperature. DHS Equipment supplies this part ready for installation on DCA70SSJU series equipment, giving you confidence that you are installing the right component the first time.

Key Features

• OEM-Calibrated Opening Temperature — Engineered to the precise activation threshold specified for the John Deere 4045TF150 engine used in the DCA70SSJU, ensuring the cooling circuit opens and closes exactly when the engine demands it.
• Direct Drop-In Replacement — Matches the original housing diameter, flange seating, and jiggle-pin orientation of the factory thermostat, allowing a straightforward swap with no re-engineering of the coolant circuit.
• Confirmed Fitment for DCA70SSJU — Verified for the DCA70SSJU ultra-silent generator platform, eliminating guesswork when sourcing a replacement for this specific generator model.
• Protects Engine from Thermal Extremes — A correctly functioning thermostat keeps the 4045TF150 engine within its optimal temperature band, preventing the overheating and cold-running conditions that accelerate wear on cylinder liners, seals, and bearings.
• Genuine Multiquip OEM Part — Supplied as an authentic Multiquip component under part number RE64354, meeting the same material and tolerance standards as the original fitment part.

The thermostat is a temperature-sensitive valve in the engine's cooling system. When the engine is cold, the thermostat remains closed, allowing coolant to circulate only within the engine block so it reaches operating temperature quickly and evenly. Once the coolant hits the designed activation point, the valve opens and routes hot coolant through the radiator to be cooled before returning to the engine. A thermostat that sticks open causes the engine to run chronically cool, increasing fuel consumption and internal wear. A thermostat that sticks closed traps heat in the block, leading to rapid overheating and potential engine damage.

For fitment questions or to confirm this part is correct for your specific DCA70SSJU serial range, contact the DHS Equipment parts team directly.

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.