Located on the driver side of the cylinder head
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Brand:
ES#:
270399
Mfg#:
026121144E
Ships in 1-2 days
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$47.99
This product was last offered at the strikethrough price on 08-31-2026
This also includes the 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!
Regulates coolant flow for managing temperature within the specified range
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 CATA engine code only (2009-2012)
Brand:
ES#:
4782973
Mfg#:
059121111R
Ships in 1-2 days
$40.99
This product was last offered at the strikethrough price on 05-07-2026
Common point of failure or leaking for the cooling system
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Brand:
ES#:
248561
Mfg#:
022121117C
Ships in 4 Business Days
34% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$60.50
This product was last offered at the strikethrough price on 10-28-2026
Install a new o-ring for a proper seal. 31.9x3.3x5.3
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Brand:
ES#:
3419544
Mfg#:
06E121119A
Ships in 2 Business Days
$4.54
This product was last offered at the strikethrough price on 10-11-2026
Regulates coolant flow for managing temperature within the specified range
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! For vehicles with CATA engine code only (2009-2012)
Seals the coolant flange to the water supply pipe. 31.5x3.65
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#:
4070443
Mfg#:
058121687
Ships in 1-2 days
$3.99
This product was last offered at the strikethrough price on 05-07-2026
Adapter found on the end of the thermostat housing
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Used with coolant flange and thrust ring to create a leak free seal
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Brand:
ES#:
285955
Mfg#:
07K121149
Ships in 3 Business Days
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$21.99
This product was last offered at the strikethrough price on 10-05-2026
Common point of failure for the cooling system. Does not include O-ring.
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Located between the water pump union pipe and the coolant output flange
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Brand:
ES#:
2552606
Mfg#:
079121057AF
In Stock
Limited Qty Sale
$20.99
This product was last offered at the strikethrough price on 10-14-2026
Common area for coolant leaks - Located on cylinder head
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 For vehicles with FSI engines only
Brand:
ES#:
5470357
Mfg#:
06F121132H
In Stock
ON SALE!
SAVE 18%
$42.99
This product was last offered at the strikethrough price on 05-29-2026
Located on the water pump assembly
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Brand:
ES#:
272857
Mfg#:
030121121B
Ships in 4 Business Days
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 08-31-2026
Must be replaced when replacing the thermostat
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
Install a new o-ring for a proper seal. 36x3.15
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! Seals the coolant flange to the cylinder head
Brand:
ES#:
3550934
Mfg#:
037121687
In Stock
$2.99
This product was last offered at the strikethrough price on 07-31-2026
Located at the rear of cylinder head, includes o-rings
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Lifetime Replacement
