i got a mahle premium line cap which instantly broke on me not releasing air causing the hoses to get squished, put on the old one and that fixed it.
Cons: instantly broke, hoses squished
Reviews of Mahle expansion tank cap
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3 votes
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1 review
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What we know about Mahle expansion tank cap
The brand is registered in Germany. Official website: http://www.mahle.com/.
In March 2026, PartReview does not yet have a formed opinion of Mahle expansion tank cap. You can help by adding a review for Mahle expansion tank cap.
Currently there are 1 review and 3 votes. Average rating — 1 out of 5. Vote balance: 0 up, 3 down.
Users also evaluated the qualities of Mahle expansion tank cap:
- Seal - no coolant smell or wetness around the tank cap - no rating yet
- Pressure release - short hiss after shutdown is normal and brief - rated negatively. 1 point out of 5.
- Temperature stability - gauge stays steady in traffic when the cap holds pressure - no rating yet
Expansion tank cap Mahle in car-specific ratings
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