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Audi Cooling Expansion Tank Parts

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Expansion Tank Cap

Keep proper pressure on your coolant We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815739
Mfg#:
443121321
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2738903 - 8D0121403LKT2 - 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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738903
Mfg#:
8D0121403LKT2
In Stock
$183.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2762696 - 4F0121403NKT1 - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new cap and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762696
Mfg#:
4F0121403NKT1
In Stock at Vendor
ON SALE!
$94.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Kit

ES#5373592 - EPK0191 - Coolant Expansion Tank Kit - Kit includes expansion tank and a cap - Rein - Audi

Kit includes expansion tank and a cap 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5373592
Mfg#:
EPK0191
Ships in 3 Business Days
$67.99 USD
Free Shipping
on orders $49 and up

Coolant T Connector

ES#4899607 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - Rein - Audi Volkswagen

Connects to the lower radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
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 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Hose - Upper

ES#5433718 - 1K0122447EQ - Expansion Tank Hose - Upper - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only

Brand:
URO - Corporate Logo
ES#:
5433718
Mfg#:
1K0122447EQ
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#4872145 - 4F0121403N - Coolant Expansion Tank - Includes integrated coolant level sensor - URO - Audi

Includes integrated coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4872145
Mfg#:
4F0121403N
Ships in 1 Business Day
$33.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Hose

ES#5434628 - 7L0121156E - Expansion Tank Hose - Molded to OE coolant hose shape for superb fitment - URO - Audi Volkswagen

Molded to OE coolant hose shape for superb fitment 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5434628
Mfg#:
7L0121156E
Ships in 1 Business Day
$272.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#4376417 - 5N0121109E - Expansion Tank Hose - Replace a cracked or leaking hose with this new unit from URO! - URO - Audi Volkswagen

Replace a cracked or leaking hose with this new unit from URO! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376417
Mfg#:
5N0121109E
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Overflow Hose

ES#5433823 - 8R0121081M - Coolant Overflow Hose - Expansion Tank To Radiator - URO - Audi

Expansion Tank To Radiator 2X Entries For Our 25th Anniversary Sweepstakes!

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

Expansion Tank Hose - Lower

Replace at the first signs of leakage

Brand:
Burgaflex - Corporate Logo
ES#:
4349522
Mfg#:
1J0122109AQ
Ships in 8 Business Days
$8.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

Connects to lower port on expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802931
Mfg#:
1J0121109L
Ships in 3 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

Includes integrated coolant level sensor and cap 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5470769
Mfg#:
4N0121405AF
Ships in 3 Business Days
$128.99 USD

Expansion Tank Replacement Kit W/ R8 Coolant Cap

ES#2649684 - 8E0121403AKT3 - Expansion Tank Replacement Kit W/ R8 Coolant Cap - Install a brand new expansion tank with a new R8 polished aluminum cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new R8 polished aluminum cap and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2649684
Mfg#:
8E0121403AKT3
Ships in 3 Business Days
$346.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#3969909 - 8w0121405gKT1 - 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 Fits from production date 1/14/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3969909
Mfg#:
8W0121405GKT1
Ships in 2 Business Days
$252.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Port Drain Cap

ES#416839 - 7L6121099 - Expansion Tank Port Drain Cap - Removed for servicing the cooling system. - Genuine Volkswagen Audi - Audi

Removed for servicing the cooling system.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
416839
Mfg#:
7L6121099
Ships in 1-2 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.

$35.99

This product was last offered at the strikethrough price on
07-24-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

Other Audi Cooling Expansion Tank Parts

Let us help you find the parts that fit your Audi

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