Item Description

John Deere Coolant Temperature Sensor RE503242 | 5000 6000 7000 Series

Replacement Coolant Temperature Switch / Sensor designed for compatible John Deere tractors and equipment. Part RE503242 is an original John Deere temperature switch used to monitor engine temperature and control electrical circuits as temperatures change.

Part Number

RE503242
A-RE503242 — aftermarket alternative

Compatible John Deere Series

Common applications include:

5000 Series

5215
5220
5303
5310
5315
5320
5403
5410
5415
5420
5425
5503
5510
5515
5520
5525
5603
5610
5615
5620
5625
5715
5720
5725
5820

6000 Series

6020
6120
6220
6400
6403
6405
6415
6425
6430
6515
6603
6605
6615
6715

7000 Series

7210
7220
7320
7405
7410
7420
7425
7510
7520
7525
7610
7710
7810

John Deere's official parts catalog lists RE503242 across numerous 5000, 6000, and 7000 Series tractors.

Product Details

Product: Coolant Temperature Switch / Sensor
Part Number: RE503242
Brand: John Deere
Type: Engine Temperature Switch
Thread Size: Approximately 0.551" / 1.4 cm
Condition: New Replacement

John Deere lists the original RE503242 with a 0.551-inch thread specification and approximately 0.09 lb weight.

Product Features

Replacement engine coolant temperature switch
Replaces John Deere RE503242
Helps monitor engine coolant temperature
Helps activate or deactivate electrical circuits at specified temperatures
Designed for compatible John Deere tractors and equipment
Ideal for replacing a failed, damaged, or malfunctioning temperature switch
Quality replacement component for engine cooling-system maintenance

Important Fitment Information

Please verify your original part number, tractor model, serial number, connector, and thread size before ordering. John Deere specifically recommends selecting the exact equipment model for the most accurate fitment because the same part can be used across multiple configurations.

Note: John Deere identifies RE503242 as a Temperature Switch , although aftermarket listings commonly call it a Coolant Temperature Sensor .