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Volkswagen Passat B6 FWD 2.0T Cooling Expansion Tank Parts

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Coolant T Connector

ES#3623904 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - URO - Audi Volkswagen

Connects to the lower radiator hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3623904
Mfg#:
N90692901
Ships in 1 Business Day
$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#4818658 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE! SAVE 15%
$15.99

This product was last offered at the strikethrough price on
09-16-2026

$13.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#5346938 - EPT0030 - Coolant Expansion Tank - Does not include cap - Rein - Audi Volkswagen

Does not include cap 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5346938
Mfg#:
EPT0030
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up

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 For vehicles with CBFA or CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315285
Mfg#:
1K0121109AL
Ships in 2 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.

$15.99

This product was last offered at the strikethrough price on
09-24-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#281216 - 06F145317H - Water Pipe - Connects to upper expansion tank hose - Genuine Volkswagen Audi - Volkswagen

Connects to upper expansion tank hose Fits vehicles with BPY engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281216
Mfg#:
06F145317H
Ships in 6 Business Days
$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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
05-07-2026

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

2-Pin Connector - Priced Each

ES#319070 - 1K0973202 - 2-Pin Connector - Priced Each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi Volkswagen

Replace a broken connector to restore function

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319070
Mfg#:
1K0973202
Ships in 1 day
$9.99 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

OE+ Steel Upgraded Coolant Pipe - With Clamps

ES#5507011 - CHU0681 - OE+ Steel Upgraded Coolant Pipe - With Clamps - Replace a brittle or leaking original coolant pipe to keep your cooling system reliable and prevent overheating. - Rein - Audi Volkswagen

Replace a brittle or leaking original coolant pipe to keep your cooling system reliable and prevent overheating. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5507011
Mfg#:
CHU0681
Ships in 3 Business Days
$58.99 USD

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 BPY engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315461
Mfg#:
1K0122447EQ
Ships in 8 Business Days
7% 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
09-24-2026

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 day
$21.99 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 BPY engine code 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 BPY engine code 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 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

For vehicles with CBFA or CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818599
Mfg#:
1K0121109AL
In Stock
ON SALE! SAVE 15%
$8.99

This product was last offered at the strikethrough price on
09-16-2026

$7.64 USD
Free Shipping
on orders $49 and up

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 Hose

ES#315463 - 1K0122447FT - Coolant Hose - Upper expansion tank hose - Genuine Volkswagen Audi - Volkswagen

Upper expansion tank hose Fits vehicles with CCTA or CBFA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315463
Mfg#:
1K0122447FT
Ships in 1 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.

$26.99

This product was last offered at the strikethrough price on
09-24-2026

$23.99 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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