Prevent overheating and premature engine wear
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! Up to VIN 8D-X-315000, split is in the 1999 model year
Recommended to be replaced with the water pump
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Brand:
ES#:
4028103
Mfg#:
06K121605C
In Stock at Vendor
$22.99
This product was last offered at the strikethrough price on 05-07-2026
Controls the actuation of the radiator fan
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
Keep your cooling system operating properly
We Price Match - Give Us A Call or Chat! 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 Manual transmission vehicles only
Brand:
ES#:
2594140
Mfg#:
8K0121251L
Ships in 1 Business Day
$211.99
This product was last offered at the strikethrough price on 05-07-2026
Install a new o-ring for a proper seal. 20X3
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 O-Ring for the faulty coolant "J-Plug" that is located next to the thermostat.
This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware.
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 For vehicles with engine code CYMC (model years through 2020)
Brand:
ES#:
3714283
Mfg#:
06L121012AKT2
Ships in 4 Business Days
$1065.99
This product was last offered at the strikethrough price on 08-14-2026
Connects the lower radiator to the expansion tank and thermostat housing
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!
Brand:
ES#:
2575466
Mfg#:
8E0121049N
Ships in 2 Business Days
$91.58
This product was last offered at the strikethrough price on 08-26-2026
This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware.
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#:
4830178
Mfg#:
8W0121405KKT
Ships in 3 Business Days
$1062.99
This product was last offered at the strikethrough price on 08-14-2026
Cure the common coolant leak coming from the back of your engine compartment
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#:
2602901
Mfg#:
06B121132EKT1
In Stock
ON SALE!
SAVE 31%
$64.99
This product was last offered at the strikethrough price on 05-02-2026
Keep proper pressure in your coolant system
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#:
4858532
Mfg#:
2Q0121321A
In Stock
ON SALE!
SAVE 45%
$19.99
This product was last offered at the strikethrough price on 05-02-2026
Install new hardware with your new parts. M6x20
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 Used to secure the auxiliary pump
Includes the heat shield
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Permanently solve another common cooling system failure point on your 2.0T engine by replacing the factory plastic heater return pipe with this upgraded aluminum version.
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! Fits up to the 2012 model year
Green coolant temp sensor, located commonly in the cooling flange near the head
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Located in the coolant flange
Brand:
ES#:
4818427
Mfg#:
059919501A
In Stock
ON SALE!
SAVE 38%
$15.99
This product was last offered at the strikethrough price on 05-02-2026
Includes the heat shield
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!
Brand:
ES#:
3469662
Mfg#:
8K0121405N
In Stock
$60.99
This product was last offered at the strikethrough price on 10-22-2026
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
Lifetime Replacement
