Aluminum construction for improved durability over stock design! Includes an integrated thermostat.
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Brand:
ES#:
4759997
Mfg#:
11538635689M
In Stock
ON SALE!
SAVE 19%
$125.99
This product was last offered at the strikethrough price on 05-02-2026
Includes everything you need to replace your water pump and thermostat
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2960474
Mfg#:
11517604027KT
In Stock
ON SALE!
SAVE 23%
$482.99
This product was last offered at the strikethrough price on 05-02-2026
No heat? Overheating? Time for a cooling system service.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4690253
Mfg#:
11538635689
In Stock
ON SALE!
SAVE 20%
$67.99
This product was last offered at the strikethrough price on 05-02-2026
No heat? Overheating? Time for a cooling system service.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2960473
Mfg#:
11537633476
Ships in 1 day
$111.99
This product was last offered at the strikethrough price on 10-15-2026
No heat? Overheating? Time for a cooling system service.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3021168
Mfg#:
11538635689
Ships in 1 day
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$177.99
This product was last offered at the strikethrough price on 10-28-2026
Over time, heat cycles degrade the plastic components, internal electronics fail, and you're left stranded with a yellow (or worse, red) coolant warning light on your dash.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
5481358
Mfg#:
11517604027KT2
In Stock
ON SALE!
SAVE 21%
$494.99
This product was last offered at the strikethrough price on 09-10-2026
Includes everything you need to replace your water pump and thermostat
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Looking to swap out your thermostat without the headache? This thermostat housing from Rein Automotive is designed to make your repair feel less like a project and more like a simple "plug-and-play" fix.
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
No heat? Overheating? Time for a cooling system service.
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Keep your engine operating at its peak thermal efficiency with this premium replacement thermostat assembly from Febi Bilstein.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
5491409
Mfg#:
11538635689
Special Order: No Guaranteed ETA
$126.99 USD
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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.
Lifetime Replacement
