What company makes the best radiator?

Author: Geoff

Aug. 26, 2024

Automobiles & Motorcycles

Best Car Radiator Brands In

Want some supreme cooling for your hard-driven pride and joy? Let&#;s take a look at some of the best car radiators on the market.

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A cool engine is a happy engine. We can all agree that, if you&#;re running any sort of performance car and you&#;re not adverse to driving it hard from time to time, an uprated radiator is one of the all-time great engine safeguards. But what does a car radiator do, what are the best brands to choose from, and when do you need to upgrade your factory item? Well, you&#;ve come to the right place. Here, we&#;ll explain all and advise on the best car radiators on the market.

What is a car radiator?

Unless you happen to own an air-cooled-engined vehicle, then your car will feature a water radiator. It&#;s job is simple, keep the engine temperatures within a happy range between 185F-205F (85-95C). A cooler engine can help improve performance, but it&#;s main purpose to prolong the engine; to avoid it damaging itself due to heat.

The real-world problem with alloy radiators though isn&#;t so much about how they perform, traditionally at least, it&#;s always been getting your hands on an upgrade in a timely manner.

You see, in the old days, there was no such thing as a commercially available, off-the-shelf ally rad. To stand any sort of a chance of getting race car levels of cooling you&#;d have to go and see a local fabricator for a custom job&#; and then prepare yourself for an extreme wallet transplant. All this made performance alloy radiators the reserve of motorsport aficionados and the tuning elite for many, many years.

But that dear reader, is why it&#;s such a great time to be alive. Because nowadays, high-performance off-the-shelf items are just about everywhere. But then again, it does beg the ultimate question; with all this choice what ones are best here in ?

Well, have a little look at our guide and we&#;ll bestow you with some of the best car radiator picks out there.

Best car radiator brands in

GReddy

The most famous alloy radiators of all? It&#;s very likely. Which is why we&#;ve featured it in our list of the best car radiator brands. In fact, many have credited GReddy, along with a few other Japanese uber brands like HKS and Spoon, with kicking off the global market for uprated, direct-fit products in the first place.

You see, tuners in Japan caught on extremely early to the fact that there was a need for off-the-shelf cooling upgrades. So, when we got an influx of Japanese imports into Europe and the US during the nineties, it brought with it the &#;overnight parts from Japan&#; era. Pretty soon the home-grown manufacturers decided to get in on the action for other vehicles, and a whole new segment of the modifying industry was born. I can&#;t say if that&#;s strictly true of course, but it&#;s a nice story.

There&#;s no denying that, in the eyes of many, GReddy is still the daddy for just about any Japanese car. This could also have something to do with the fact that HKS don&#;t make alloy radiators these days, just branded radiator caps. What many don&#;t know though, is that many of the parts supplied by GReddy &#; which is itself owned by the Japanese mega corporation, Trust &#; are developed by their US distributor in California. Although the parts are still officially made in Japan.

Again, these aren&#;t what you call cheap but that&#;s kind of the point of having all the big kudos gear stuffed under the bonnet of your high-end tuner car, right?  The GReddy name is easily as iconic as any GT-R, STi or Type R badge, and that&#;s why you&#;ll find them right at the top of our list of the best radiators for . Shop for GReddy parts here.

Mishimoto

One of the biggest names out there, with perhaps the biggest fitment range of aftermarket radiators on the planet, it&#;s hard to believe that Mishimoto has only been around since , because (even to us older guys) it seems like they&#;ve been on the tuning scene forever. It&#;s also a common misconception that Mishimoto hail from Asia, when in fact they&#;re one of the premium all-American brands. They manufacture and develop their products in-house at their massive, state-of-the-art facility in New Castle, Delaware.

When you think about it, what Mishimoto have achieved over the last couple of decades is staggering. They&#;re one of those brands that don&#;t just make high-quality, well-fitting alloy radiators that perform at the highest level, but they make radiators that actually look cool. That&#;s not an easy trick to pull off with such a functional part, and it&#;s earned them plenty of fans all around the world. And rightly so.

There&#;s plenty of kudos from those in the know here, and they&#;re no stranger to the finer details like flashy radiator caps and other optional extras like high performance cooling fans and fitment-specific shrouds. But, what I like most is the sort of build quality that&#;s not usually associated with high-volume off-the-shelf parts. All their radiators come with a lifetime warranty, which is pretty unusual, too.

So, with over 200 popular applications not only is it highly likely they&#;ll have a radiator for your car, but you know it&#;s going to be one of the best. Shop for Mishimoto parts here.

AIRTEC Motorsport (Auto Specialists)

This legendary British fabrication firm cut their teeth as Auto Specialists in the &#;90s fast Ford market and nowadays are perhaps best known for their FMIC upgrades. But let&#;s not forget that, in terms of manufacturing skill at least, there&#;s not a huge difference between top quality intercoolers and ally rads. So, it makes sense that they have developed some pretty special radiators under their AIRTEC Motorsport brand over the years, too.

It&#;s true that these guys may not have the most extensive range of radiators out there, but they&#;ve successfully expanded their fitment list and (while the Auto Specialists name continues, making performance and classic Fords something of a specialty) there&#;s a few popular BMW and VAG motors that can benefit from their 30-something years of experience in motorsport.

From their home base in Essex, UK, what these guys do extremely well is offer uber quality for the segment of the market that wants the best hand-made parts available. They also tend to concentrate on high-end and classic fitments that you simply won&#;t find anywhere else. To this day they still take on small-volume and bespoke fabrication work, and they&#;re easily some of the best when it comes to craftmanship and old skool engineering.

Ultra reliable, well-made, decent prices, what&#;s not to love? Shop for AIRTEC parts here.

Spoon Sports

If you haven&#;t got a Honda, you might as well scroll on for a bit. If, however you&#;re rocking the mighty H badge, and you&#;re looking for the maximum possible tuner points, a Spoon Sports part or two is probably right at the top of your shopping list. Which is why I couldn&#;t leave Spoon off of our list of the best car radiator brands.

And no, it&#;s not just because &#; spoiler alert &#; &#;Hector is going to be running three Honda Civics with Spoon engines.&#; (And on top of that, he just went into Harry&#;s and ordered 3 T66 turbos, with NOS&#; and a Motec system exhaust). It&#;s because Ichishima-san and his crew are the guys that many believe put Honda on the map in motorsport as well as in the street-racing fraternity. And they would be correct.

To say that Spoon is legendary in the tuning community is putting it mildly. They&#;re a premium, uber-quality manufacturer for sure and, at this level, who&#;s looking at the price tag anyway? But, although they&#;ve been absolutely killing it with all sorts of performance parts since the early &#;80s, what about their alloy radiators?

Well, the answer is simple &#; if you can afford to drop -smackers or so, there&#;s a lot to love. It goes without saying that they&#;re all pant-wetting quality and have the track-tested, high-performance credentials to match. In fact, in the majority of Honda tests we&#;ve seen (and carried out ourselves) over the years, Spoon have been right at the top of the game &#; just check out our Best Radiator For the Honda Civic Type R Guide for starters!

If you&#;re looking for out-and-out kudos, there&#;s no need to search any further. Buy Spoon parts here.

CSF

This massive American corporation dates back to the mid s when it started as small family business specializing in radiator repairs. Nowadays though &#; four generations of the same family later &#; they sell over 650,000 radiators every year. That&#;s around 35 million radiators to date. So, let&#;s just say they know a thing or two about automotive cooling.

Aside from their massive client list of OEM manufacturers &#; not to mention some of the toughest applications out there (you can pretty much guarantee any Caterpillar, JCB, John Deer or Mercedes HGV will be rocking CSF hardware) they also have a truly massive racing and performance division. It&#;s here that you&#;ll find the famous all-aluminum aftermarket radiators we know and love.

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Link to MOTEC

Now obviously, they take the business rather seriously. Their quality control is nothing short of legendary, every radiator they build is tested individually before it leaves the factory. You can&#;t fault the engineering and design involved, either. Among other things, these guys test vibration cycles, burst pressure and thermal cycles. They also spray the whole lot with salt to look at the impact of corrosion and whack them in their wind tunnel to make sure they perform at the highest level. They go so far as to test their packaging to the extreme, too. Dropping the boxes from a 10-foot high rig, just to make sure everything is top notch for the worldwide shipping. Bonkers!

What with all this you&#;d think that the prices would be a bit on the silly side, right? But no, they&#;re actually pretty reasonable. CSF even make a whole host private label radiators &#; the items sold by other aftermarket brands such as VF Engineering, Mountune, Honda Racing and many, many more. Buy CSF parts here.

Radtec

With solid credentials in motorsport, not to mention one of the best reputations in the retro car market, Radtec is one of those firms whispered about by those in the know. Arguably these have become the go-to for the more decerning motoring connoisseur. Speak to any old skool engineer or experienced classic car enthusiast in the UK and it&#;s likely they&#;ll point you straight in their direction.

It&#;s all with good reason though, there&#;s a distinct no-nonsense approach to what they do. It&#;s all pretty simple; they make impeccably engineered alloy radiators, manufactured to the best possible standard, which do everything exactly as they should.  Many claim that their race-proven products are absolutely bulletproof, which always counts for a lot.

What&#;s always a good sign is that Radtec seem to list a whole host of weird and wonderful applications that none of us wouldn&#;t have even thought of. Loads of the niche stuff as well as all the popular performance fitments you&#;d expect.

Basically then, what we&#;re talking about is British engineering at its finest. Radtec is always a well-educated choice, which is why it features in our list of the best car radiator brands. Buy Radtec parts here.

Direnza Performance

What I&#;ve always loved about the guys at Direnza is that, ever since they started a decade or so ago, they&#;ve always used the most up-to-date tech to develop their products, in-house, in the UK.

These European car specialists are a rare and beautiful thing in the modified car world, because their gear seems to be so reasonably priced, it&#;s easy to be fooled into the notion that the products themselves aren&#;t top notch. In reality, nothing can be further from the truth. They&#;re up there with the very best.

I&#;ve witnessed first-hand all the laser scanning and 3D printing they go through in the prototyping stages. I&#;ve also seen them using CAD design to ensure perfect fitment and the extensive road and track performance testing. So, I&#;m not at all surprised that they&#;ve become one of the most popular modifying brands in the UK. Sometimes it&#;s not just about price, is it? It&#;s about getting the best balance. And I think that Direnza have got it spot on in that respect. You could even call them the Euro modifying brand of the people.

Anyway, when it comes to their alloy radiator line up (including their thoroughly understated Black Series items) they offer a wide range of fitments for performance models from the likes of Fiat, VW, Ford, BMW and Audi. I have to say, too, the build-quality is just as good as the value for money. In fact, if you want something that works without costing the Earth, I just can&#;t fault &#;em. Buy Direnza parts here.

Koyorad

Old skool Japanese craftsmanship is the name of the game here, along with all the modifying community kudos that comes with that concept. Koyorad has been making aftermarket radiators since the s and are world renowned in terms of quality and performance. So, with that sort of top-end reputation, you&#;d think they were one of those low volume manufacturers focusing on the arts and crafts tradition that Japan is so famous for. But, while they do the traditional bit very well, the actual company is enormous. Which is why it features here in our list of the best car radiator brands.

When it comes to their alloy racing radiators, they have a surprisingly large fitment list. But what&#;s most important is that it actually covers a whole host of non JDM cars, something which doesn&#;t happen very often in Japan. A most honorable pursuit, we&#;re sure. The even better news is that they&#;re not quite as expensive you&#;d think, either. Oh, and they&#;re actually available from a ton of official distributors all around the world.

Most of all though, Koyorad racing radiators (or just Koyo radiators as they&#;re sometimes known) are one of those rare and magical products in the car world that look substantially more expensive than they actually are. And, for that reason alone, they deserve a place in our best car radiators for line up. Buy Koyorad parts here.

Japspeed

If you&#;ve got a Japanese motor, and you happen to live in the UK, Ireland or Europe, Japspeed is probably your first port of call when it comes to finding an alloy radiator. In fact, if you&#;ve just bought your car, I wouldn&#;t be at all surprised if you&#;ve already got one, they&#;re that popular.

The original, and much imitated, one-stop-shop for Japanese cars here in the UK, these guys have been developing their own products in-house for decades now and, along with their exhausts, downpipes, intercoolers, they&#;ve built up quite the extensive range of lightweight performance radiators for a whole host of core cars.  Many of these have been developed and tested to the extreme on their own collection of race and drift cars, so the results in terms of performance and durability speak for themselves.

Offering great quality, well-performing units is one thing though, but there&#;s no denying that the prices help to make them one of the most popular out there. Even we&#;re not sure how they keep them down to such a level where they almost become an impulse purchase. Their radiators start at as little as 160-quid, which pushes them well into the reach of us mere mortals. What these guys also do very well is offer the parts that aren&#;t available elsewhere, adding to their infinite popularity.

Basically speaking, without Japspeed, there would be a lot of street and race cars still running bog standard cooling systems. And, just for that, I can&#;t help but love them. Buy Japspeed parts here.

How the best car radiators were chosen

Now, I can&#;t confess to have personally tested each and every brand on this list, but I&#;ve been in the aftermarket game for decades now. As such, I know a thing or two about which brands you should trust, and which are best to avoid. Each of the manufacturers name-checked here are companies that I&#;d gladly source parts from for my own car. In fact, in some cases I&#;ve done exactly that!

When to upgrade your car radiator

While most standard radiators are great even with hard track use or massively increased power levels, there are always weaknesses. At some point, you may need to upgrade.

The most obvious reason for upgrading your radiator is because the factory one can&#;t put up with the abuse you&#;re giving it and the temperature is rising beyond safe limits. In that scenario, a larger aftermarket radiator is the way to go. The second reason is less obvious; the plastic end tanks have been known to burst with age and heat, instantly destroying the radiator.

Thankfully, the vast majority of cars have all-alloy performance upgrades available. These are usually of a larger capacity too. This makes for an easy direct replacement upgrade that solves both main standard radiator issues at once.

Be sure to check out our guide to both radiators and intercoolers.

Not quite got the budget for full-on new parts? Read about intercooler sprays instead.

Best Radiator Brands | List of Radiator Manufacturers

This list contains information on radiator brands, ranked from best to worst by user votes. The best radiator brands come in many forms. Some good radiator brands are larger for increased cooling capacity while other top radiator companies make small products for compact spaces. Some vintage radiator manufactures make radiator cores with coiled tube.

What companies will you find on this best radiator brands list? Spectra Premium makes quality radiators for most models of vehicles released from -. The drop in fit feature also is popular with consumers as it makes installation an easy process. TYC is another good company that makes a range of automotive radiators. Other great companies featured on this top radiator brands list include Mishimoto, AC Delco, and Koyo.

Do you have a favorite car radiator manufacturer? Give the best brands a thumbs up and please add any good companies we may have missed.

Do you have a favorite car radiator manufacturer? Give the best brands a thumbs up and please add any good companies we may have missed.

For more Radiator Wholesaleinformation, please contact us. We will provide professional answers.

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