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Audi Cooling Expansion Tank Parts

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Coolant Breather Line

Located between the upper radiator hose and the expansion tank breather/overflow line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233485
Mfg#:
8V0122061B
Ships in 6 Business Days
10% off MSRP

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

$174.99

This product was last offered at the strikethrough price on
08-31-2026

$157.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Upper Hose

Connects the expansion tank to the coolant flange Up to production date 4/9/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2785693
Mfg#:
8K0121081BT
Ships in 6 Business Days
10% 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
08-31-2026

$134.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Grommet - Priced Each

Replace your cracked or dried out components - Used in the front, lower portion of the expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1910953
Mfg#:
4H0121585
Ships in 6 Business Days
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
09-10-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hard Coolant Pipe

Located between the small expansion tank hose and the thermostat housing coolant hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233488
Mfg#:
8V0122480
Ships in 8 Business Days
10% off MSRP

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

$126.99

This product was last offered at the strikethrough price on
08-31-2026

$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#4691355 - 8W1121405N1KT - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4691355
Mfg#:
8W1121405N1KT
Back Ordered
$434.99

This product was last offered at the strikethrough price on
08-31-2026

$433.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

ES#4901309 - 8K0121403AC - Coolant Expansion Tank - Plastic reservoir for the coolant system - Meyle - Audi

Plastic reservoir for the coolant system 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4901309
Mfg#:
8K0121403AC
Ships on Sep 28, 2026
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3970598 - 4D0121403C - Coolant Expansion Tank - Factory replacement for cracked tanks. - Meyle - Audi

Factory replacement for cracked tanks. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to the 1999 model year

Brand:
Meyle - Corporate Logo
ES#:
3970598
Mfg#:
4D0121403C
Ships on Sep 28, 2026
$47.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#4900411 - 1K0121407F - Coolant Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Meyle - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900411
Mfg#:
1K0121407F
Ships on Sep 28, 2026
$30.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#3970610 - 7L0121407F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Meyle - Audi Volkswagen

Coolant level sensor enclosed in tank 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970610
Mfg#:
7L0121407F
Ships on Sep 28, 2026
$110.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

ES#3970163 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - Meyle - Audi Volkswagen

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

Brand:
Meyle - Corporate Logo
ES#:
3970163
Mfg#:
443121321
Ships on Sep 28, 2026
$5.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

Plastic reservoir for the coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5397089
Mfg#:
8K0121403Q
Ships on Sep 28, 2026
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

Expansion Tank Cap

Keep proper pressure in your coolant system

Brand:
Gates - Corporate Logo
ES#:
3235465
Mfg#:
1C9121321
Ships on Sep 30, 2026
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

Replace at the first signs of leakage

Brand:
Gates - Corporate Logo
ES#:
3235521
Mfg#:
1J0122109AQ
Ships on Sep 30, 2026
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#5492820 - 8K0121405S - Coolant Expansion Tank - Coolant reservoir to cure hairline cracks, resolve false low-coolant warnings, and restore the structural integrity of your pressurized cooling system. - Febi - Audi

Coolant reservoir to cure hairline cracks, resolve false low-coolant warnings, and restore the structural integrity of your pressurized cooling system.

Brand:
Febi - Corporate Logo
ES#:
5492820
Mfg#:
8K0121405S
Special Order: No Guaranteed ETA
$45.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#5492873 - 8W0121405L - Coolant Expansion Tank - Coolant expansion tank to cure mysterious coolant loss, resolve false dashboard warnings, and restore reliable engine cooling and aesthetics to your B9 chassis Audi. - Febi - Audi

Coolant expansion tank to cure mysterious coolant loss, resolve false dashboard warnings, and restore reliable engine cooling and aesthetics to your B9 chassis Audi. For Vehicles with CYMC Engine Code Only

Brand:
Febi - Corporate Logo
ES#:
5492873
Mfg#:
8W0121405L
Special Order: No Guaranteed ETA
$78.99 USD

Coolant Expansion Tank

See your coolant levels clearly again, comes with coolant level sensor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343694
Mfg#:
1K0121407
Special Order: No Guaranteed ETA
$24.99 USD
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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