O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4197
Mfg#:
N10139201
Ships in 3 Business Days
ON SALE!
$4.28
This product was last offered at the strikethrough price on 08-31-2026
Includes the thermostat, temp sensor, and gasket
We Price Match - Give Us A Call or Chat! For TSI models without electrical connection on pump inlet (please inspect prior to ordering).
Brand:
ES#:
4159252
Mfg#:
06H121026CQ
Ships in 1 Business Day
ON SALE!
SAVE 10%
$199.00
This product was last offered at the strikethrough price on 09-03-2026
Regulates flow of coolant according to temperature
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with engine code CRUA/ CVCA
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
