Owner reviews for engine radiator

Manufacturers

Reviews

414

Best manufacturers by properties

Overheating

Denso

4.6

Leaks

Nissens

4.2

Sweet smell

MISHIMOTO

5.0

Manufacturers

MISHIMOTO: Engine radiator

Avg. rating

3.5

95 reviews

Koyo: Engine radiator

Avg. rating

4.4

57 reviews

Nissens: Engine radiator

Avg. rating

4.0

54 reviews

KOYORAD: Engine radiator

Avg. rating

4.5

41 review

Engine radiator MISHIMOTO or Koyo

Engine radiator MISHIMOTO or Nissens

Engine radiator MISHIMOTO or KOYORAD

Engine radiator MISHIMOTO or Denso

Engine radiator MISHIMOTO or OEM Volkswagen

Engine radiator MISHIMOTO or OEM BMW

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Denso › Engine radiator

Ok-Energy5358 28 Jan 2026, 20:30

Rating 5.0

Leaks:

my 2005 4Runner Limited 4WD V8 that I bought one year ago with only 55k miles on it (well maintained time capsule), was just fine. Zero leaks from the radiator or anything. At 65k miles I went ahead and replaced the radiator with a Denso unit.

I figured going from a life in SoCal to southeast Texas summers would tax the radiator. Plus, 55k miles in 20 years, and now I’ll put about 20k miles a year on it, would likely make the original radiator go pop at the most inconvenient time, surely.

Pros: zero leaks

Vehicle: Toyota 4runner

Mileage: 65000 km

Koyo › Engine radiator

deathbysnusnu7 20 Jan 2026, 22:17

Rating 5.0

Overheating:

Put a koyo rad in it and it’s been good to go.

Pros: good to go

KOYORAD › Engine radiator

Omega_Eggshell 20 Jan 2026, 21:58

Rating 5.0

Overheating:

I got a Koyorad and 0 issues with overheating with hard driving! Coolant stays at operating temp no matter what.

Pros: no issues with overheating

MISHIMOTO › Engine radiator

manzin82 20 Jan 2026, 18:17

Rating 5.0

Leaks:

I got a Mishimoto with zero issues and fitment was spot on

Pros: zero issues, spot on

Koyo › Engine radiator

Sir_J15 20 Jan 2026, 12:58

Rating 5.0

Overheating:

If you go aluminum Koyo is the way to go.

Pros: good aluminum radiator

KOYORAD › Engine radiator

RedhawkST 8 Jan 2026, 22:48

Rating 5.0

Overheating:

koyorad on my 400hp Focus and never had over heating issues.

Pros: no over heating issues

Vehicle: Ford Focus

Koyo › Engine radiator

chevy42083 8 Jan 2026, 22:16

Rating 5.0

Overheating:

I went with Koyo. CARid was the best price at the time. Been 7 years and no issues.

Pros: no issues for years

Jaguar › Engine radiator

Jamhamingtonnn 19 Jan 2026, 22:31

Rating 2.5

Leaks:

I had a 2019 from october '24 till late november '25, in that just over a year it was in at the dealership twice for repairs that if it hadnt come with a years warranty from the JLR dealer I bought it from it would have cost me thousands, first it was the right radiator with a leak which needed replacing then an issue with the cat.

Cons: radiator leak, catalytic converter issue

MISHIMOTO › Engine radiator

TwOhsinGoose 28 Jan 2026, 17:59

Rating 1.0

Leaks:

My mishimoto radiator sprung a leak after 1.5 years in my F150. So good luck.

Cons: sprung a leak

Vehicle: Ford

OEM BMW › Engine radiator

ronbiomed 10 Jan 2026, 15:05

Rating 1.0

Overheating:
Leaks:

My first non warranty repair on my B58 540 was a $3k radiator replacement. That was at about 60k miles.

Cons: expensive radiator replacement

Vehicle: BMW

Mileage: 96560 km

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Owner reviews for engine radiator

As of March 2026, PartReview has 414 reviews across 33 manufacturers for engine radiator. 7 of them have enough reviews to participate in the ranking of this part.

Popular manufacturers of engine radiator

The most popular manufacturers of engine radiator on PartReview include:

MISHIMOTO - 95 reviews. PR Score: 65, average rating: 3.5.
Koyo - 57 reviews. PR Score: 92, average rating: 4.4.
Nissens - 54 reviews. PR Score: 83, average rating: 4.0.
KOYORAD - 41 review. PR Score: 94, average rating: 4.5.
Denso - 39 reviews. PR Score: 82, average rating: 4.2.

Most opinions about performance and characteristics of engine radiator are collected on these pages.

Top manufacturers of engine radiator

There are enough reviews to build a ranking. Top manufacturers of engine radiator:

Koyo - 92% positive votes. Balance: +147 votes
KOYORAD - 94% positive votes. Balance: +111 votes
Nissens - 83% positive votes. Balance: +111 votes
Denso - 82% positive votes. Balance: +78 votes
MISHIMOTO - 65% positive votes. Balance: +90 votes

Comparisons of engine radiator manufacturers

As they say, everything is known in comparison — including engine radiator. On PartReview you can see which is better: