Engine radiator Denso or KOYORAD

KOYORAD Engine radiator

One of the best replacement radiators for sure but you’ll have to get an external transmission cooler for it to work as the Koyorad doesn’t have an integrated transmission cooler that autos use.

Pros: best replacement radiator
Cons: no integrated transmission cooler
Vehicle: Nissan
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KOYORAD Engine radiator
DoaneGarage
  • Overheating:
Rating 5.0

i went with a Koyorad SKU: 910-371 for my NB from Moss. I live in hot sunny florida, and took it to the track a few times. never an issue. i just drove it hard to the hardware store.

Pros: never an issue, good for track, good in hot climate
Vehicle: Mazda
Part number: 910-371
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Denso Engine radiator

'07 V6 SR5 I replaced my leaking rad with a Denso four years ago and it's been absolutely rock solid. **NOTE** I'm not sure if this is still the case but some Denso rads have a couple little notches cut into the sides which are sometimes mistaken for damage as they are not neatly done (literally looks like someone just tapped it with a grinder). These notches are to allow the rad to expand a bit when the metal heats. They are necessary and part of the design even though they sure *look* like damage.

Pros: absolutely rock solid, reliable, design feature
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KOYORAD Engine radiator
iamloganjames
  • Overheating:
Rating 5.0

My 95 got an aluminum tank Koyorad last month. These aluminum cylinder heads warp too easily to be messing around with cheaper options.

Pros: prevents cylinder head warping
Vehicle: Mazda
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Denso Engine radiator

Put a few more $ in and buy a slightly more expensive one. Preferably from a bigger brand - Denso, Koyo etc. guaranteed to be better quality in most cases and fit better.

Pros: better quality, better fit
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