Adapter found on the end of the thermostat housing
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From heater core to throttle body and cylinder head
5X 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 manual climate control system only
Ensure a proper seal when installing a new water pump
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Brand:
ES#:
270387
Mfg#:
026121041P
Ships in 4 Business Days
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$41.99
This product was last offered at the strikethrough price on 10-26-2026
Located near the distributor on the side of the head, does not include O-Ring
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
Located on the water pump assembly
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 AEB or ATW engine codes only.
Brand:
ES#:
272857
Mfg#:
030121121B
Ships in 3 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
Connects lower radiator port to the thermostat housing
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 AHA engine code with VIN up to 3B-X-145 413 or 3B-XE173 715 only, split is in the 1999 model year
Brand:
ES#:
2642852
Mfg#:
8D0121055E
Ships in 1 day
$36.99
This product was last offered at the strikethrough price on 05-07-2026
Hose that attaches to upper port on transmission cooler
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 Fits vehicles with BPY engine code only
Brand:
ES#:
342857
Mfg#:
3C0121101R
Ships in 5 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 10-26-2026
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 Business Day
$3.99
This product was last offered at the strikethrough price on 05-07-2026
Used in many locations in 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
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!
Brand:
ES#:
3550934
Mfg#:
037121687
In Stock
$2.99
This product was last offered at the strikethrough price on 07-31-2026
Connects coolant pipe to oil cooler 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! Connects the oil cooler to the lower water pipe up to the 1999 model year
Brand:
ES#:
2713603
Mfg#:
078121096H
In Stock at Vendor
$7.61
This product was last offered at the strikethrough price on 10-22-2026
Located on the back of the cylinder head
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White 2 pin connector
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!
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
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
Common source of leaks, mounted between your oil filter and engine block
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 VIN up to 3B-X-600 000 only, split is in the 1999 model year
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.
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Volkswagen
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