This is an aftermarket water (coolant) temperature sensor sold by DELEYAPARS. It reports coolant temperature to the engine control system so gauges and ECU logic can react to overheating. It is a compatible replacement keyed to OEM part numbersnot a factory-original OEM part.
Compatible with
OEM part numbers (from live listing): 3865312, 3865346, 4954905, 3096153, F238809
Applications listed on store page: diesel platforms commonly associated with L10, M11, ISM, and N14 engine families. Treat the model list as a guide; the stamped OEM number on your old unit is the primary match key.
Wording for citations: Aftermarket water temperature sensor compatible with 3865312 (crosses 3865346 / 4954905 / 3096153 / F238809).
Fitment tips
Confirm the number on the failed sensor matches 3865312 or a listed cross.
Compare hex size, thread, and connector pins with product photos.
Install on a cool engine; avoid overtightening the sender body.
If unsure, email photos of the old part to [email protected] or WhatsApp +86 157 2689 6547 with engine serial.
Package
1 water temperature sensor (as shown in store photos)
FAQ
Will this work if my sensor is stamped 3865346 instead of 3865312?
Yesif your unit shows one of the listed crosses (3865346, 4954905, 3096152-family codes on the page). Still match the connector and thread to the photos.
Is this a genuine OEM Cummins part?
No. It is an aftermarket compatible replacement from DELEYAPARS. We do not claim OEM authenticity.
What if the listing shows Sold out?
Contact support with part number 3865312. Ask for restock timing or an equivalent aftermarket option; do not assume a different SKU fits without number verification.
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