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Volkswagen Jetta Cooling Expansion Tank Parts

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ES#4818599 - 1K0121109AL - Coolant Hose - Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange - Bremmen Parts - Audi Volkswagen

Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CBFA or CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818599
Mfg#:
1K0121109AL
In Stock
ON SALE! SAVE 27%
$8.99

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

$6.52 USD
Free Shipping
on orders $49 and up
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#2814306 - 1J0121403B - Coolant Expansion Tank - Clean up your engine bay or replace your cracked unit with a new coolant expansion tank - Hamburg Tech - Volkswagen

Clean up your engine bay or replace your cracked unit with a new coolant expansion tank 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#:
2814306
Mfg#:
1J0121403B
In Stock
Limited Qty Sale
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3412371 - 5Q0121407F - Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Hudson - 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#:
3412371
Mfg#:
5Q0121407F
Ships in 1 day
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#357501 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
357501
Mfg#:
443121321
Ships in 3 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.

$79.99

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

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#307175 - 1J0121087E - Split Coolant Fitting - Connects the coolant line from the turbo & expansion tank to the water pipe hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant line from the turbo & expansion tank to the water pipe hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307175
Mfg#:
1J0121087E
Ships in 1 day
9% off MSRP

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

$69.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3189482 - 626-524 - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Dorman - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3189482
Mfg#:
626-524
Ships in 10 Business Days
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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#2595130 - 5C0121109D - Coolant Expansion tank Hose - Replacement expansion tank hose - Genuine Volkswagen Audi - Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2595130
Mfg#:
5C0121109D
Ships in 1 Business Day
89% off MSRP

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

$121.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#315467 - 1K0122447GR - Expansion Tank Hose - Upper - Connects the expansion tank to the upper radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects the expansion tank to the upper radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with CBEA or CJAA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315467
Mfg#:
1K0122447GR
Ships in 1 day
14% off MSRP

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

$50.99

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

$43.99 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 day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3189280 - 603-350 - Coolant Expansion Tank - With Cap - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Dorman - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3189280
Mfg#:
603-350
Ships in 4 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2814083 - 171121407E - Expansion Tank With Cap - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Hamburg Tech - Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 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#:
2814083
Mfg#:
171121407E
Ships in 1 Business Day
$35.99 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 1 Business Day
$33.99 USD
Free Shipping
on orders $49 and up
ES#315420 - 1K0122109BB - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Genuine Volkswagen Audi - Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with BRM engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315420
Mfg#:
1K0122109BB
Ships in 1 day
16% off MSRP

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

$37.99

This product was last offered at the strikethrough price on
12-09-2025

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#382270 - 4E0121176 - Silicate Cartridge For Expansion Tank - Small cartridge that helps prevent corrosion - Genuine Volkswagen Audi - Volkswagen

Small cartridge that helps prevent corrosion affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
382270
Mfg#:
4E0121176
Ships in 1 day
12% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
06-03-2026

$14.99 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.

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