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BMW E34 Engine Thermostat Parts

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Thermostat Housing Kit - All Aluminum

ES#3438874 - 14-009 - Thermostat Housing Kit - All Aluminum - Never worry about cracking again - Active Autowerke - BMW

Never worry about cracking again

Brand:
Active Autowerke - Corporate Logo
ES#:
3438874
Mfg#:
14-009
Ships on Sep 30, 2026
3% off MSRP

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

$59.00

This product was last offered at the strikethrough price on
09-15-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
Ships in 3 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing/Cover

ES#2534389 - 11531720173 - Thermostat Housing/Cover - Cast in more durable aluminum! - URO Premium - BMW

Cast in more durable aluminum! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
2534389
Mfg#:
11531720173
Ships in 2 Business Days
$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2867274 - 11531713040S1 - Thermostat - 80C - Includes sealing O-ring - Febi - BMW

Includes sealing O-ring We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867274
Mfg#:
11531713040S1
Back Ordered
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3690163 - 11531740437 - Thermostat Housing Gasket - Used for the upgraded aluminum housing - Victor Reinz - BMW

Used for the upgraded aluminum housing

Brand:
Victor Reinz - Corporate Logo
ES#:
3690163
Mfg#:
11531740437
In Stock
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 88°C

ES#2873802 - 11537511580 - Thermostat - 88C - Includes sealing O-ring gasket - Febi - BMW

Includes sealing O-ring gasket We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873802
Mfg#:
11537511580
Ships on Dec 11, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Seal Ring

ES#2609306 - 11531312287 - Thermostat Seal Ring - Prevent a leaking thermostat housing - Wahler - BMW

Prevent a leaking thermostat housing

Brand:
Wahler - Corporate Logo
ES#:
2609306
Mfg#:
11531312287
Back Ordered
$32.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring (60 X 3.5 mm)

ES#205296 - 11531265084 - Thermostat O-Ring (60 X 3.5 mm) - Seals thermostat to cylinder head - Rein - BMW

Seals thermostat to cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
205296
Mfg#:
11531265084
In Stock at Vendor
$2.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#24905 - 11531720173 - Thermostat Housing - Plastic version - Genuine BMW - BMW

Plastic version

Brand:
Genuine BMW - Corporate Logo
ES#:
24905
Mfg#:
11531720173
Ships in 3 Business Days
3% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
09-15-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket - Priced Each

ES#2952043 - 11531731833 - Thermostat Gasket - Priced Each - Seals the water accumulator to the back of the engine - Elring - BMW

Seals the water accumulator to the back of the engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2952043
Mfg#:
11531731833
In Stock
$5.78

This product was last offered at the strikethrough price on
07-23-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#264070 - 11531722690 - Thermostat Housing Gasket - Used to seal the housing to the cylinder head - Victor Reinz - BMW

Used to seal the housing to the cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
264070
Mfg#:
11531722690
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#2873801 - 11537511083S1 - Thermostat - 92C - Includes gasket - Febi - BMW

Includes gasket We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873801
Mfg#:
11537511083S1
Back Ordered
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3028628 - 11531722692 - Thermostat Housing Gasket - Placed between the engine and thermostat housing - Victor Reinz - BMW

Placed between the engine and thermostat housing

Brand:
Victor Reinz - Corporate Logo
ES#:
3028628
Mfg#:
11531722692
Ships in 4 Business Days
$10.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#5339304 - 774.597 - Thermostat Housing Gasket - Placed between the engine and thermostat housing - Elring - BMW

Placed between the engine and thermostat housing 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339304
Mfg#:
774.597
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#2724038 - 11531712043 - Thermostat - 92C - Includes sealing ring - Calorstat - BMW

Includes sealing ring

Brand:
Calorstat - Corporate Logo
ES#:
2724038
Mfg#:
11531712043
Ships in 1-2 days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Housing Gasket Kit

ES#5481500 - 1153175KT - Water Pump & Thermostat Housing Gasket Kit - This Genuine BMW O-Ring and Seal Kit includes the critical factory elastomer seals needed to re-secure your coolant pipe and thermostat housing - Genuine BMW - BMW

This Genuine BMW O-Ring and Seal Kit includes the critical factory elastomer seals needed to re-secure your coolant pipe and thermostat housing

Brand:
Genuine BMW - Corporate Logo
ES#:
5481500
Mfg#:
1153175KT
Ships in 4 Business Days
$14.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Let us help you find the parts that fit your BMW

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