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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Cooling Temperature Sensors

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Coolant Temperature Sensor

ES#3023842 - 13621709967 - Coolant Temperature Sensor - Typically located in the thermostat housing or radiator hose - Bosch - BMW Porsche

Typically located in the thermostat housing or radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3023842
Mfg#:
13621709967
In Stock
$24.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2534474 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - URO - BMW

Measures radiator air temperature enabling the fan to turn off or on 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534474
Mfg#:
61311378073
In Stock
$26.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge!

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2602123 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - Febi - BMW

Measures radiator air temperature enabling the fan to turn off or on 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2602123
Mfg#:
61311378073
In Stock at Vendor
$60.99

This product was last offered at the strikethrough price on
05-07-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2602122 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - Facet - BMW

Measures radiator air temperature enabling the fan to turn off or on

Brand:
Facet - Corporate Logo
ES#:
2602122
Mfg#:
61311378073
In Stock
ON SALE!
$44.99

This product was last offered at the strikethrough price on
06-25-2026

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Plug

ES#4743338 - e30radfansp - Radiator Fan Switch Plug - High-quality replacement for broken plastic fan switch plugs - Race German - BMW

High-quality replacement for broken plastic fan switch plugs

Brand:
Race German - Corporate Logo
ES#:
4743338
Mfg#:
E30RADFANSP
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2682192 - 13621709967 - Coolant Temperature Sensor - Typically located in the thermostat housing or radiator hose - Genuine BMW - BMW

Typically located in the thermostat housing or radiator hose

Brand:
Genuine BMW - Corporate Logo
ES#:
2682192
Mfg#:
13621709967
Ships in 4 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$82.99

This product was last offered at the strikethrough price on
07-20-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#4006894 - 12621747281 - Coolant Temperature Sender - 2 pin - Facet - BMW

2 pin For vehicles with production date from 09/1992

Brand:
Facet - Corporate Logo
ES#:
4006894
Mfg#:
12621747281
Ships in 1 Business Day
$23.99

This product was last offered at the strikethrough price on
05-02-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2816028 - 61311378073 - Coolant Temperature Sensor - Measures radiator air temperature enabling the fan to turn off or on - Hamburg Tech - BMW

Measures radiator air temperature enabling the fan to turn off or on We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816028
Mfg#:
61311378073
In Stock at Vendor
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2162502 - 12621747281 - Coolant Temperature Sensor - 2 pin - FAE - BMW

2 pin For vehicles with production date from 09/1992

Brand:
FAE - Corporate Logo
ES#:
2162502
Mfg#:
12621747281
In Stock
ON SALE!
$13.99

This product was last offered at the strikethrough price on
06-25-2026

$13.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Inline Temperature Sensor Adapter - Manifold

ES#4500514 - tempswitchman - Inline Temperature Sensor Adapter - Manifold - Allows installation of NPT threaded temperature sensor - Zionsville Autosport - BMW

Allows installation of NPT threaded temperature sensor

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500514
Mfg#:
TEMPSWITCHMAN
Special Order: No Guaranteed ETA
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#3673665 - 9107471 - Coolant Temperature Sender - 2 pin - Hella - BMW

2 pin For vehicles with production date from 09/1992

Brand:
Hella - Corporate Logo
ES#:
3673665
Mfg#:
9107471
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2813874 - 13621357414 - Coolant Temperature Sensor - Typically located in the thermostat housing or radiator hose - Hamburg Tech - BMW Porsche

Typically located in the thermostat housing or radiator hose We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813874
Mfg#:
13621357414
In Stock at Vendor
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Temperature Sensor

ES#2534319 - 13621284397 - Engine Temperature Sensor - 2-pin with black connector - URO - BMW Volkswagen Porsche

2-pin with black connector 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534319
Mfg#:
13621284397
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2873944 - 12621747281 - Coolant Temperature Sender - 2 pin - Febi - BMW

2 pin 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1992

Brand:
Febi - Corporate Logo
ES#:
2873944
Mfg#:
12621747281
Back Ordered
Auto Notify
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Temperature Sensors

A faulty temperature sensor can be a source of overheating problems and cooling leaks. Replace your temperature sensor with an OEM temperature sensor or aftermarket temperature sensor from our trusted list of manufacturers to bring your cooling system back up to par.

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