I've always run a motorrad with the relief valve in mine. Works great
Pros: works great
Reviews of MotoRad radiator cap
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9 votes
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Every. Damned. Radiator. Cap. I can find for sale is a motorad. I've gotten two now that came in different brand boxes, neither will hold much pressure or draw in coolant when the engine cools off. I'm seriously doubting how much longer I can deal with every new part being fucking garbage.
Cons: poor sealing, no pressure, cracked rubber
I had a Motorad radiator cap until about a week ago. Worked fine just changed it for a spiffy Flex a Lite cap.
Pros: worked fine
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What we know about MotoRad radiator cap
The brand is registered in Israel. Official website: https://motorad.com/.
In March 2026, PartReview does not yet have a formed opinion of MotoRad radiator cap. You can help by adding a review for MotoRad radiator cap.
Currently there are 3 reviews and 9 votes. Average rating — 3.1 out of 5. Vote balance: 6 up, 3 down.
Users also evaluated the qualities of MotoRad radiator cap:
- Seal - no coolant weeping around the cap neck - rated negatively. 1 point out of 5.
- Overheat control - engine temp remains normal on hot days - rated ambivalently. 3.3 points out of 5.
- Hose feel - upper hose feels firm but not rock hard when hot - no rating yet
Radiator cap MotoRad in car-specific ratings
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