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Audi A4 Engine Cooling Parts

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ES#2593538 - 8K0121403QKT - Coolant Expansion Tank Replacement Kit - Everything you need to replace your faded, cracked, or leaky expansion tank! - Genuine Volkswagen Audi - Audi

Everything you need to replace your faded, cracked, or leaky expansion tank! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593538
Mfg#:
8K0121403QKT
Ships in 1-2 days
$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2586519 - 06D121111G2KT - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Assembled By ECS - Audi

Includes thermostat with housing, o-ring and mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586519
Mfg#:
06D121111G2KT
In Stock
ON SALE! SAVE 25%
$56.99

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

$42.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#471805 - N91068001 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x28 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M6x28 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the thermostat assembly to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471805
Mfg#:
N91068001
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1942 - 8D1819030B - Heater Core  - Stop coolant loss and cure a fogged windshield - Febi - Audi Volkswagen

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
1942
Mfg#:
8D1819030B
In Stock
$58.25

This product was last offered at the strikethrough price on
05-12-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3979322 - 06B121111K - Thermostat Assembly (06B121111K) - Includes housing, gasket & sensor - URO - Audi
ECS Tuning recommends this product.

Includes housing, gasket & sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3979322
Mfg#:
06B121111K
In Stock
$75.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2467 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Febi - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2467
Mfg#:
N90316802
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818405 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Bremmen Parts - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818405
Mfg#:
028117021L
In Stock
ON SALE! SAVE 17%
$36.99

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

$30.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2713078 - 075121113D -  Thermostat - 80C - Includes sealing O-Ring - Vemo - Audi Volkswagen

Includes sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lower temperature thermostat, stock is 87°C

Brand:
Vemo - Corporate Logo
ES#:
2713078
Mfg#:
075121113D
In Stock at Vendor
$18.99

This product was last offered at the strikethrough price on
05-07-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#467607 - N10196103 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467607
Mfg#:
N10196103
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3677418 - 8E1819371T - Coolant Supply Hose - Connects the coolant flange to the heater core pipe - Hudson - Audi

Connects the coolant flange to the heater core pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3677418
Mfg#:
8E1819371T
In Stock
$38.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#436191 - 8E0121251AP - Radiator - Keep your cooling system operating properly - Genuine Volkswagen Audi - Audi

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436191
Mfg#:
8E0121251AP
Ships in 10 Business Days
9% off MSRP

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

$400.00

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

$365.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2718706 - 06J117021J - Engine Oil Cooler  - Lowers engine oil temperature - Nissens - Audi Volkswagen

Lowers engine oil temperature We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
2718706
Mfg#:
06J117021J
In Stock at Vendor
$106.99

This product was last offered at the strikethrough price on
05-07-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2594140 - 8K0121251L - Radiator - Keep your cooling system operating properly - Nissens - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission vehicles only

Brand:
Nissens - Corporate Logo
ES#:
2594140
Mfg#:
8K0121251L
In Stock at Vendor
$211.99

This product was last offered at the strikethrough price on
05-07-2026

$205.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4818674 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Bremmen Parts - Audi

Located between the coolant expansion tank and the cylinder head coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818674
Mfg#:
8K0121081AH
In Stock
ON SALE! SAVE 20%
$45.99

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

$36.71 USD
Free Shipping
on orders $49 and up
ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
ES#4265264 - MMFAN-16C - Mishimoto Universal Curved Blade Electrical Fan - 16" - 1850 CFM. High performance fan with curved blades. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1850 CFM. High performance fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265264
Mfg#:
MMFAN-16C
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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