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2008 Porsche Cayenne 955 GTS Sport Utility V8 4.8L

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2008 Porsche Cayenne 955 GTS Sport Utility V8 4.8L Cooling Expansion Tank Parts

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Expansion Tank Cap - Black

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 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Sep 29, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2802007 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Rein - Audi Volkswagen Porsche

Keep proper pressure on your coolant 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802007
Mfg#:
1J0121321B
Ships on Sep 29, 2026
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2794804 - 95510644720 - Coolant Expansion Tank Cap - Blue coolant reservoir lid - Hamburg Tech - Porsche

Blue coolant reservoir lid We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2794804
Mfg#:
95510644720
Ships in 1 Business Day
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3672033 - 3C0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Stant - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

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

EXPANSION TANK

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151899
Mfg#:
95510614723
Ships in 3 Business Days
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#1907296 - 95510614723 - Expansion Tank - Coolant reservoir - Genuine Porsche - Porsche

Coolant reservoir

Brand:
Genuine Porsche - Corporate Logo
ES#:
1907296
Mfg#:
95510614723
Ships in 4 Business Days
$308.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Porsche Expansion Tank Replacement Kit

Featuring Rein expansion tank, tank cap, Genuine Porsche coolant & Hardware 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4674475
Mfg#:
955106147230KT
Ships on Sep 29, 2026
$161.99

This product was last offered at the strikethrough price on
07-16-2026

$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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