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Volkswagen GTI Cooling Expansion Tank Parts

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Expansion Tank Hose - Lower

ES#315284 - 1K0121109AK - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with CBFA or CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315284
Mfg#:
1K0121109AK
Ships in 1 Business Day
11% off MSRP

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

$29.38

This product was last offered at the strikethrough price on
11-06-2026

$26.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Kit

ES#3672037 - 5q0121321KT - Coolant Expansion Tank Kit - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit. - Assembled By ECS - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
3672037
Mfg#:
5Q0121321KT
Ships on Dec 1, 2026
$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Hose

ES#315285 - 1K0121109AL - Coolant Hose - Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange - Genuine Volkswagen Audi - Audi Volkswagen

Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315285
Mfg#:
1K0121109AL
Ships in 1-2 days
19% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
10-26-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expanding Nut - Priced Each

ES#2891455 - 811807577C - Expanding Nut - Priced Each - Install new hardware with your new parts. - Vaico - Audi Volkswagen

Install new hardware with your new parts. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2891455
Mfg#:
811807577C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Upper

ES#315464 - 1K0122447GC - Expansion Tank Hose - Upper - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with CBFA or CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315464
Mfg#:
1K0122447GC
Ships in 1-2 days
15% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
10-26-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#5492414 - 5Q0121407A - Expansion Tank - Direct OE-quality replacement coolant reservoir to cure cracked plastic seams, eliminate false "Low Coolant" dash warnings, and prevent catastrophic silicate bag failure. - Febi - Audi Volkswagen

Direct OE-quality replacement coolant reservoir to cure cracked plastic seams, eliminate false "Low Coolant" dash warnings, and prevent catastrophic silicate bag failure.

Brand:
Febi - Corporate Logo
ES#:
5492414
Mfg#:
5Q0121407A
Ships on Jan 11, 2027
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4387306 - 5WA121407F - Coolant Expansion Tank - Replace your cracked or faded expansion tank. - Genuine Volkswagen Audi - Audi Volkswagen

Replace your cracked or faded expansion tank.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4387306
Mfg#:
5WA121407F
In Stock
15% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
10-26-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Expansion Tank Cap

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

Brand:
LEYO - Corporate Logo
ES#:
4140296
Mfg#:
L111B
Ships on Nov 24, 2026
$77.99 USD
Free Shipping
on orders $49 and up

Coolant Hose

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818599
Mfg#:
1K0121109AL
In Stock
$8.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Hose - Upper

ES#315461 - 1K0122447EQ - Expansion Tank Hose - Upper - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315461
Mfg#:
1K0122447EQ
Ships in 8 Business Days
13% off MSRP

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

$86.99

This product was last offered at the strikethrough price on
10-05-2026

$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 Into Our F80 M3 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

Expansion Tank Hose - Upper

ES#5433719 - 1K0122447EQ - Expansion Tank Hose - Upper - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with FSI engines only

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

Coolant Expansion Tank & Hose Refresh Kit

ES#5482565 - 5wa121447KT - Coolant Expansion Tank & Hose Refresh Kit - Packs the fluid overflow bottle, upper bleed-off hose, and lower block supply hose to overhaul the entire subsystem at once. - Genuine Volkswagen Audi - Audi Volkswagen

Packs the fluid overflow bottle, upper bleed-off hose, and lower block supply hose to overhaul the entire subsystem at once.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5482565
Mfg#:
5WA121447KT
Ships in 1-2 days
$64.99

This product was last offered at the strikethrough price on
10-05-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose Kit

ES#5482582 - 5q0121447gktKT - Coolant Expansion Tank Hose Kit - Eliminate brittle quick-connect leaks and completely refresh your reservoir plumbing with this direct-fit auxiliary coolant hose bundle. - Genuine Volkswagen Audi - Volkswagen

Eliminate brittle quick-connect leaks and completely refresh your reservoir plumbing with this direct-fit auxiliary coolant hose bundle.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5482582
Mfg#:
5Q0121447GKTKT
Ships in 1-2 days
$62.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

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 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

Coolant Expansion Tank

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

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

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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