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Audi 8V S3 Quattro 2.0T Sedan

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Audi 8V S3 Quattro 2.0T Sedan Engine Cooling Parts

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Radiator / Cooling System Pressure Tester

ES#3673926 - B8800084 - Radiator / Cooling System Pressure Tester - Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673926
Mfg#:
B8800084
In Stock
ON SALE! SAVE 15%
$146.99

This product was last offered at the strikethrough price on
05-02-2026

$124.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Billet Coolant Vent Union

ES#4810768 - 034-102-Z048 - 034Motorsport Billet Coolant Vent Union - Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. - 034Motorsport - Audi Volkswagen

Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
ON SALE! SAVE 10%
$31.00

This product was last offered at the strikethrough price on
06-28-2026

$27.90 USD
Free Shipping

G13 Coolant - 1 Gallon (3.78 Liters)

ES#3141421 - G013A8J1G - G13 Coolant - 1 Gallon (3.78 Liters) - Lilac OE specification lifetime coolant - Hella - Audi Volkswagen

Lilac OE specification lifetime coolant

Brand:
Hella - Corporate Logo
ES#:
3141421
Mfg#:
G013A8J1G
In Stock
$32.99 USD
Free Shipping
on orders $49 and up

Thermostat

ES#4671694 - 06L121111N - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing and gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671694
Mfg#:
06L121111N
In Stock
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$536.87

This product was last offered at the strikethrough price on
07-19-2026

$494.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK7/8V Silicone Coolant Hose Re-route Kit

ES#3638683 - 018193ECS02 - MK7/8V Silicone Coolant Hose Re-route Kit - Hide your coolant hose under your intake system for a cleaner appearance - ECS - Audi Volkswagen

Hide your coolant hose under your intake system for a cleaner appearance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3638683
Mfg#:
018193ECS02
In Stock
ON SALE! SAVE 25%
$58.99

This product was last offered at the strikethrough price on
06-13-2026

$44.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#4818497 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Bremmen Parts - Audi Volkswagen

Recommended to be replaced with the water pump 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818497
Mfg#:
06K121605
In Stock
ON SALE! SAVE 13%
$22.99

This product was last offered at the strikethrough price on
05-02-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA)

ES#4920775 - 054443la01KT - Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA) - Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! - ECS - Audi Volkswagen

Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! 10X Entries For Our 25th Anniversary Sweepstakes!
Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA

Brand:
ECS - Corporate Logo
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

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#3448166 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Continental - Audi Volkswagen

Recommended to be replaced with the water pump We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3448166
Mfg#:
06K121605
In Stock
$26.99

This product was last offered at the strikethrough price on
06-22-2026

$26.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

G13 Coolant - 1.5 Liter (Concentrate)

ES#2748899 - G013A8JM1 - G13 Coolant - 1.5 Liter (Concentrate) - Lilac Pentofrost OE specification lifetime coolant. - Pentosin - Audi Volkswagen Mercedes Benz Porsche

Lilac Pentofrost OE specification lifetime coolant.

Brand:
Pentosin - Corporate Logo
ES#:
2748899
Mfg#:
G013A8JM1
In Stock
$20.99 USD
Free Shipping
on orders $49 and up

Thermostat/Water Pump Kit

ES#4039367 - 06L121111H - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt. Made in Germany! - Vemo - Audi Volkswagen

Includes thermostat, water pump, gasket, and belt. Made in Germany!

Brand:
Vemo - Corporate Logo
ES#:
4039367
Mfg#:
06L121111H
Ships on Nov 11, 2026
ON SALE!
$376.99

This product was last offered at the strikethrough price on
07-14-2026

$365.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#2652188 - 30102049 - Universal 16" Electric Fan - Black - 2024 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2024 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
2652188
Mfg#:
30102049
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#3561442 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561442
Mfg#:
079919523J
In Stock
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$53.32

This product was last offered at the strikethrough price on
07-19-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSF OE Replacement Radiator

ES#5388646 - 3922 - CSF OE Replacement Radiator - Standard replacement radiator - CSF - Audi Volkswagen

Standard replacement radiator 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
5388646
Mfg#:
3922
In Stock
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#4212849 - 5Q0121407T - Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - URO - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4212849
Mfg#:
5Q0121407T
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3420790 - g013a8jm1kt5 - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3420790
Mfg#:
G013A8JM1KT5
In Stock
ON SALE!
$161.99

This product was last offered at the strikethrough price on
05-02-2026

$149.57 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Cooling Parts

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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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