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177361942253-0 - Northline Parts

Kubota Coolant Temperature Sensor 16851-83040 15543-83040 for D-Series

SKU: NLT1X00131
$22.99 In Stock
$22.99
Sale price  $22.99 Regular price 
Ships for free in 2–4 business days.
This coolant-temperature sensor replaces Kubota 16851-83040 and 15543-83040 on compatible D722, D902, D1005, D1105, and related diesel engines.
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Kubota D722 diesel engine
  • Kubota D782 diesel engine when 16851-83040 is specified
  • Kubota D902 diesel engine
  • Kubota D1005 diesel engine
  • Kubota D1105 diesel engine
  • Equipment using 15543-83040 only when the thread and terminal match

Product Overview

A temperature gauge that stays cold, reads hot immediately, or moves when the harness is touched may be reacting to a failed sender or a wiring fault. Ground and resistance checks at known temperatures help separate the sensor from the gauge, connector, and instrument panel.

The sensor threads into the cooling passage and changes its electrical signal as coolant temperature rises. Kubota used different senders and switches on similar engines, so thread, terminal, sealing surface, and whether the circuit serves a gauge or warning system must match.

Key Features & Performance

  • Temperature-dependent signal for the engine monitoring circuit
  • Crosses to two Kubota reference numbers
  • For selected compact diesel engines
  • Addresses verified open, shorted, or inaccurate sensor behavior
  • New aftermarket sender

Replaces Part Numbers

  • 16851-83040
  • 15543-83040

Common Uses

  • Repairing an incorrect coolant-temperature indication
  • Replacing a corroded or broken sensor terminal
  • Restoring warning or gauge input after harness testing

Technical Specifications

  • Product Type: Engine Coolant Temperature Sensor
  • Primary Application: Kubota D-series diesel engines using 16851-83040
  • Package Quantity: 1 sensor
  • Condition: New
  • Replacement Type: Aftermarket
  • References: 16851-83040; 15543-83040
  • Measured Medium: Engine coolant
  • Mounting: Threaded into cooling passage
  • Circuit Match: Verify gauge sender versus warning switch
  • Condition: New aftermarket

Installation & Fitment

  • Work only on a cold, depressurized cooling system
  • Disconnect the battery if the terminal can contact power
  • Compare thread and sealing method before installation
  • Refill or top off coolant, bleed air, and confirm the reading as the engine warms

Compatibility Notice

Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.

Model, production date, serial number, connector, dimensions, installed options, and previous repairs can affect fitment. Compare the original component and reference information before purchase.

Frequently Asked Questions

Q: Can trapped air make the gauge read incorrectly? A: Yes. A sensor not fully surrounded by coolant can report an abnormal temperature, especially after cooling-system service.

Q: Is this necessarily the overheat shutdown switch? A: No. Similar Kubota engines can use separate senders and switches; identify the circuit and original number first.

Q: How do I confirm this is the correct part? A: Match both reference numbers, engine specification, thread diameter and pitch, terminal style, hex size, sealing method, and electrical function.

Q: Is this supplied by the original equipment manufacturer? A: No. This is a new aftermarket item. Brand, model, and part numbers are used only to identify compatible applications.

Part Summary

keywords: Kubota 16851-83040 temperature sensor, 15543-83040 coolant sender, D722 temperature gauge repair, D1105 engine temperature sensor, Kubota diesel overheating indication

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

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