If you own a classic M50, M52, or S52-powered BMW, you already know that keeping the engine cooling system happy is the golden rule of ownership.
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Brand:
ES#:
4730406
Mfg#:
11537511580
In Stock at Vendor
$60.99
This product was last offered at the strikethrough price on 05-07-2026
Featuring an upgraded metal impeller water pump and OE thermostat with gasket!
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Brand:
ES#:
4818124
Mfg#:
11537511580KT4
Ships in 3 Business Days
ON SALE!
$118.99
This product was last offered at the strikethrough price on 05-02-2026
Common point of failure in the cooling system.
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Includes sealing O-ring gasket
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Includes sealing O-ring gasket
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
3970028
Mfg#:
11537511580
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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
