Stainless steel impeller and 20% increase in flow!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!
Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE!
SAVE 25%
$74.99
This product was last offered at the strikethrough price on 05-02-2026
The MSL thermostat ensures a cooler oil temperature which will result in more stable performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The MSL thermostat ensures a cooler oil temperature which will result in more stable performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Finally, a durable, attractive water pump pulley that won't break!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
$101.99
This product was last offered at the strikethrough price on 05-02-2026
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Includes housing and sealing o-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Low-temp thermostat reduces stresses on engine components and improves performance
Brand:
ES#:
2807159
Mfg#:
11537586885-90C
In Stock
$117.99
This product was last offered at the strikethrough price on 12-11-2025
Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrading cooling for your engine oil
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Easily upgrade your N52 with our bolt-in 400W N54 water pump conversion that doubles overall flow and improves cooling system efficiency.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5425471
Mfg#:
044952LA04KT
In Stock
ON SALE!
SAVE 25%
$467.99
This product was last offered at the strikethrough price on 05-02-2026
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Upgrade your cooling system with a bigger, more efficient, radiator, electric fan conversion, water pump, lower-temperature thermostat, and cooling system additives to combat the enemy of performance.
Lifetime Replacement
