Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings
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#:
4699573
Mfg#:
06L121111P
In Stock
ON SALE!
SAVE 10%
$250.99
This product was last offered at the strikethrough price on 07-16-2026
Includes thermostat, water pump, gasket, and belt!
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!
Brand:
ES#:
3624235
Mfg#:
06L121111J
In Stock
$305.99
This product was last offered at the strikethrough price on 08-25-2026
Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt.
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
Includes thermostat, water pump, belt, union, and O-rings.
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!
Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic!
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 Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA
Brand:
ES#:
4920775
Mfg#:
054443LA01KT
In Stock
ON SALE!
SAVE 20%
$104.99
This product was last offered at the strikethrough price on 06-13-2026
Aluminum design - Located on the front right of the engine block
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 We Price Match - Give Us A Call or Chat! Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece
Everything you need to replace your thermostat/water pump
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#:
5481085
Mfg#:
06L121111JKT
In Stock
$399.99
This product was last offered at the strikethrough price on 06-18-2026
Common point of failure or leaking for the cooling system
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 cooling system efficient with a new thermostat and housing
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 Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece
Install new hardware with your new parts. M7x28
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 Secures thermostat housing to engine block - 2 needed total
Brand:
ES#:
261191
Mfg#:
N90735604
In Stock
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$4.18
This product was last offered at the strikethrough price on 10-28-2026
Common point of failure or leaking for the cooling system
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
Lifetime Replacement
