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Volkswagen Cooling Expansion Tank Parts

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Coolant Tank Cap

ES#2806754 - 7B0121323A - Coolant Tank Cap - Covers the top of the coolant reservoir - Genuine Volkswagen Audi - Volkswagen

Covers the top of the coolant reservoir

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2806754
Mfg#:
7B0121323A
In Stock
ON SALE! SAVE 35%
$30.99

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

$20.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion tank

Allows for expansion and contraction of coolant in your cooling system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812879
Mfg#:
025121403A
Ships in 2 Business Days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4151264 - 1K0122447FT - Coolant Hose - Upper expansion tank hose - Rein - Volkswagen

Upper expansion tank hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA or CBFA engine code only

Brand:
Rein - Corporate Logo
ES#:
4151264
Mfg#:
1K0122447FT
Back Ordered
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire Seal - Priced Each

ES#1065936 - 1J0972741B - Wire Seal - Priced Each - Small blue seal for keeping your connections dry - Genuine Volkswagen Audi - Volkswagen

Small blue seal for keeping your connections dry

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1065936
Mfg#:
1J0972741B
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#3194934 - 1C0121109K - Expansion Tank Hose - Runs from water pipe to expansion tank - Vaico - Volkswagen

Runs from water pipe to expansion tank We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
Vaico - Corporate Logo
ES#:
3194934
Mfg#:
1C0121109K
Special Order: No Guaranteed ETA
$19.00

This product was last offered at the strikethrough price on
04-16-2026

$18.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3560023 - 1H0121321C - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Volkswagen

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
3560023
Mfg#:
1H0121321C
Ships in 2 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3139100 - 1J0121407E - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Hudson - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank

Brand:
Hudson - Corporate Logo
ES#:
3139100
Mfg#:
1J0121407E
Ships in 1-2 days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#2708864 - 171121407F - Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - URO - Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708864
Mfg#:
171121407F
Ships in 2 Business Days
$16.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#2802995 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Rein - Audi Volkswagen

Replace at the first signs of leakage 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802995
Mfg#:
1J0122109AQ
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2639762 - 251919372A - Coolant Level Sensor - Ensure you always have an adequate amount of coolant in your system - URO - Volkswagen

Ensure you always have an adequate amount of coolant in your system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Model year 1984 - 1993

Brand:
URO - Corporate Logo
ES#:
2639762
Mfg#:
251919372A
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#4810100 - 1K0121109AK - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Vaico - Audi Volkswagen

Replace at the first signs of leakage We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4810100
Mfg#:
1K0121109AK
Special Order: No Guaranteed ETA
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bracket for Coolant reservoir

ES#2741513 - 5Q0121409A - Bracket for Coolant reservoir - Expansion tank bracket welded to vehicle frame - Genuine Volkswagen Audi - Volkswagen

Expansion tank bracket welded to vehicle frame

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2741513
Mfg#:
5Q0121409A
Ships in 7 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#2814307 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Hamburg Tech - Audi Volkswagen

Replace at the first signs of leakage We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814307
Mfg#:
1J0122109AQ
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Oct 22, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Lower

ES#2681829 - 1J0122109AC - Coolant Hose - Lower - From hard water pipe to lower expansion tank port - Mackay - Volkswagen

From hard water pipe to lower expansion tank port

Brand:
Mackay - Corporate Logo
ES#:
2681829
Mfg#:
1J0122109AC
Back Ordered
$12.99 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 Volkswagen Cooling Expansion Tank Parts

Let us help you find the parts that fit your Volkswagen

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