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Volkswagen MK5 Cooling Expansion Tank Parts

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ES#4140296 - L111B  - Billet Expansion Tank Cap - Complete billet aluminum coolant cap assembly to replace your blue or black plastic cap - LEYO - Volkswagen

Complete billet aluminum coolant cap assembly to replace your blue or black plastic cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LEYO - Corporate Logo
ES#:
4140296
Mfg#:
L111B
Ships on Jun 19, 2026
$77.99 USD
Free Shipping
on orders $49 and up
ES#4846034 - 1K0121070BD - Coolant Pipe - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - Vaico - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846034
Mfg#:
1K0121070BD
Special Order: No Guaranteed ETA
$54.99 USD
Free Shipping
on orders $49 and up
ES#315283 - 1K0121109AH - Coolant Hose - Lower expansion tank hose - Genuine Volkswagen Audi - Volkswagen

Lower expansion tank hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315283
Mfg#:
1K0121109AH
In Stock at Vendor
65% off MSRP

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

$48.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3139113 - 1K0121407A - Coolant Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Hudson - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139113
Mfg#:
1K0121407A
Ships in 1-2 days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5433717 - 1K0122447AG - Upper Coolant Reservoir Hose - Connects the reservior to the lower supply tube - URO - Volkswagen

Connects the reservior to the lower supply tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5433717
Mfg#:
1K0122447AG
Ships in 2 Business Days
$33.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2815697 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 2 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810100 - 1K0121109AK - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Vaico - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with CBFA or CCTA engine code only

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
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Oct 13, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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#5433719 - 1K0122447EQ  - Expansion Tank Hose - Upper - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BPY engine code only

Brand:
URO - Corporate Logo
ES#:
5433719
Mfg#:
1K0122447EQ
Ships in 2 Business Days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connects to lower thermostat hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5470760
Mfg#:
1KM122109C
Ships in 4 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4900411 - 1K0121407F - Coolant Expansion Tank - Meyle - Audi Volkswagen

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900411
Mfg#:
1K0121407F
Special Order: No Guaranteed ETA
$30.99 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 Volkswagen

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