Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi B8 Cooling Expansion Tank Parts

Sort By
Filter By
Return to Top
ES#3672033 - 3C0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Stant - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Stant - Corporate Logo
ES#:
3672033
Mfg#:
3C0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4899607 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - Rein - Audi Volkswagen

Connects to the lower radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Connects lower radiator hose to the coolant expansion tank hose and water pump hose

Brand:
Rein - Corporate Logo
ES#:
4899607
Mfg#:
N90692901
Ships in 4 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
ES#5470789 - 8K0121081CA - Coolant Overflow Hose - Connects the expansion tank to the coolant flange - URO - Audi

Connects the expansion tank to the coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 4/10/2012

Brand:
URO - Corporate Logo
ES#:
5470789
Mfg#:
8K0121081CA
Ships in 1 Business Day
$41.99 USD
Free Shipping
on orders $49 and up
ES#5433823 - 8R0121081M - Coolant Overflow Hose - Expansion Tank To Radiator - URO - Audi

Expansion Tank To Radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO - Corporate Logo
ES#:
5433823
Mfg#:
8R0121081M
Ships in 1 Business Day
$46.99

This product was last offered at the strikethrough price on
02-10-2026

$43.99 USD
Free Shipping
on orders $49 and up

See your coolant levels clearly again, comes with coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with model year up through 2020 (engine code DJYA)

Brand:
Rein - Corporate Logo
ES#:
5470726
Mfg#:
80A121405AQ
Ships in 4 Business Days
$68.99 USD
ES#2678371 - 8K0121405NKT2 - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Genuine Volkswagen Audi - Audi

Install a brand new expansion tank with a new cap and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678371
Mfg#:
8K0121405NKT2
Ships in 3 Business Days
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion tank bracket that bolts up to the vehicle frame affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3212558
Mfg#:
80A121232AQ
Ships in 4 Business Days
11% off MSRP

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

$55.99

This product was last offered at the strikethrough price on
02-26-2026

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

Connects the expansion tank to the coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to production date 4/9/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2785693
Mfg#:
8K0121081BT
Ships in 9 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.

$149.99

This product was last offered at the strikethrough price on
02-26-2026

$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connects the expansion tank to the cylinder head flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to production date 4/9/2012

Brand:
Vaico - Corporate Logo
ES#:
4819054
Mfg#:
8R0121081
Special Order: No Guaranteed ETA
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4901309 - 8K0121403AC - Coolant Expansion Tank - Plastic reservoir for the coolant system - Meyle - Audi

Plastic reservoir for the coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4901309
Mfg#:
8K0121403AC
Special Order: No Guaranteed ETA
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic reservoir for the coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5397089
Mfg#:
8K0121403Q
Ships on Nov 19, 2026
Auto Notify
ON SALE! SAVE 16%
$30.99

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

$26.00 USD
Free Shipping
on orders $49 and up
ES#5341424 - 80A121081S - Plastic Coolant Hose  - Connects the expansion tank to the radiator - Rein - Audi

Connects the expansion tank to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
5341424
Mfg#:
80A121081S
Back Ordered
$58.99 USD
Free Shipping
on orders $49 and up

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

Let us help you find the parts that fit your Audi

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings