Multiquip RE552185 DPF Temp Sensor

The Multiquip RE552185 DPF Temp Sensor is a genuine OEM component designed for the DCA220SSJU4F, DCA150SSJU4F, and DCA300SSJU4F ultra-silent diesel generator series. As a direct factory replacement, this sensor matches the original unit in connector type, thread specification, and thermal sensing range — ensuring it integrates cleanly into the existing exhaust aftertreatment system without adaptation. Genuine Multiquip OEM parts are manufactured to the same standards as the components installed at the factory, giving you confidence in long-term accuracy and system compatibility. Confirm your model code before ordering to ensure this is the correct sensor for your unit.

Key Features

• Factory-Calibrated Sensing Accuracy — Matched to the OEM thermal measurement parameters required by the DPF system, ensuring the generator's aftertreatment controls receive precise exhaust temperature data.
• Direct Connector and Thread Match — Replaces the original sensor with the same plug-in connector and thread pitch, allowing a straightforward swap into the exhaust stream mounting point.
• Confirmed Fitment for DCA Series Generators — Verified for DCA220SSJU4F, DCA150SSJU4F, and DCA300SSJU4F ultra-silent diesel generator models.
• Protects DPF Regeneration Cycles — A functioning DPF temp sensor enables the generator's ECU to manage active and passive regeneration correctly; a failed sensor can trigger fault codes, inhibit regeneration, and force unplanned shutdowns.
• Emissions System Compliance — Correct sensor operation is essential for maintaining Tier 4 Final emissions compliance on regulated jobsites — do not substitute with an unverified generic sensor in this application.
• Genuine Multiquip OEM Part — Supplied under part number RE552185 directly through authorized Multiquip distribution channels, ensuring authenticity and traceability.

The DPF Temp Sensor monitors exhaust gas temperature at one or more points along the diesel particulate filter circuit. This data is fed continuously to the engine control unit, which uses it to determine when the DPF has reached the temperature threshold needed to burn off accumulated soot during a regeneration cycle. If the sensor drifts out of calibration or fails entirely, the ECU loses visibility into actual exhaust temperatures — which can result in incomplete regeneration, soot blockage, escalating backpressure, and ultimately a forced shutdown of the generator until the fault is cleared and the sensor is replaced.

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.