The 12 Best K Series Oil Coolers (2022 reviews)

Here, we review a cooler that manages to win our hearts. It's the Long Tru-Cool K Series Oil Cooler and it's widely considered as one of the best coolers you can buy. The long tru-cool k series oil cooler is sturdy, is used for quality part and it fits perfectly. Maintain lower temperatures in your transmission and lubricant with tru-cool and extend the life of the vehicle you depend on. Moreover, this is right, it is made for very easy install and has a cooler style.

The cooler comes with all the parts and instructions are included to mount and plumb this cooler. Most importantly, the long tru-cool k series oil cooler makes for a great buy and has a sturdy design.

Most buyers quickly discovered that the cooler was also recommended on the silverado SS forum. Moreover, a few strongly agree that the cooler is the best cooler for the 4l60e while retaining quick connects. Also, a few strongly agree that this cooler is easily double if not triple the size. With no doubts, this cooler passed the test and had very satisfied buyers eager to share their experience.

Customers say that getting a fitting automatic transmission oil cooler line, along with cooler is useful.

Top Customer Quotes:

This can get rid of a lot of heat.
This comes with it is for a universal kit.
This will work with any automatic transmission.
This saves your tranny, is fit perfect and it is good for item description.

Best For High Performance: Oner Auto Parts K Series Oil Cooler

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The Oner Auto Parts K Series Oil Cooler's high-end materials make sure that it ages well with use. The oner auto parts k series oil cooler comes with a complete set of accessories required for installation, and comes with a pre-installed oil filter, fluid temperature sensor, oil pressure sensor, bypass valve & spring and nbr sealing ring. Make sure this fits by entering your model number. In addition, it comes with a replacement part number, It is designed for easy installation and has an excellent design.

The cooler is very good as factory, it comes with part number and has a cooler style. Above all, the oner auto parts k series oil cooler comes with 12 pieces of intake manifold plenum gasket set for a complete and worry - free installation.

Most buyers opine that the cooler that comes with it looks really cheap. In addition, a few strongly agree that the cooler is suitable for the 2007 jeep wrangler. Without any doubt, this cooler passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

This is good as factory cost is 1/4.
It is easy to install and has two stars.
These fit well, is great for customer service and it is built for high performance.
The Manufacturer says: we offer a true, worry-free shopping experience.

RELATED: Best Gl4 Transmission Oils

Best With Part Numbers: Gledewen K Series Oil Cooler

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate cooler. The Gledewen k series oil cooler is exactly that - it's a simple cooler that hits all the right notes. The Gledewen K Series Oil Cooler is manufactured to the oe specification to provide a factory-fresh appearance and direct-fit, which helps prevent fluid leaks and overheating, meanwhile protecting the engine from possible costly damage and prolonging its life. The Manufacturer says: Long life-span matters, That is why our 3.6 oil filter is crafted from reinforced plastic housing to provide maximum durability. In addition, the cooler worked fine and it fits for cross reference.

Lastly, the gledewen k series oil cooler provides great value and it fits perfectly.

Most buyers opine that the cooler has a 3.6l pentastar engine. In addition, a few strongly agree that the cooler is January 2022 and it’s leaking oil everywhere.

Top Customer Quotes:

This is exactly the part described.
This is cleared but eventually went off days later, so don’t panic.
This is easy to install if you have some mechanical experience.
This comes with all the needed parts.

Best For Direct Replacement: Aa Ignition K Series Oil Cooler

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The Aa Ignition K Series Oil Cooler should be able to handle its purpose and duties with ease. The aa ignition k series oil cooler is a common issue on models with these engines as the oil cooler housing was revised in year 2014 from metal to a plastic construction. The Manufacturer says: Installing parts on your vehicle can be difficult and we understand. The engine oil cooler filter housing adapter kit keeps the engine oil clean and cool as it circulates through the engine.

Above all, the aa ignition k series oil cooler is a compatible replacement part manufactured by aa ignition.

Almost all buyers found that the cooler comes with the factory 12 gaskets. In addition, a few also found that the cooler is made by an oem manufacturer. To sum up, most customers agree that the cooler suits best, and no one questions it.

Why We Like This:

This comes with an intake manifold plenum gasket set.
This comes with part numbers and it allows for a lifetime warranty.
Lot of satisfied buyers.

Best With Fast Shipping: Ransoto K Series Oil Cooler

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The Ransoto K Series Oil Cooler's material feels more premium than its price would suggest. The ransoto k series oil cooler fits perfectly and it comes with part number. Make sure this fits by entering your model number. Further, it is best for cheap filter and it worked fine.

The cooler is convenient, fits great and it comes with a complete kit. Further, this can be bought for good value and it is built with great part. Above all, the ransoto k series oil cooler is designed for good part, is designed for a great price and it is strong.

Most buyers found that the cooler had to wait for the dealership to get it. Moreover, they say that the cooler will work on the 2012 3.6l. Moreover, they also found that the cooler is as good as the oem unit. Overall, most buyers agree that the cooler suits best, and no one questions it.

Top Customer Quotes:

This is perfect in place of the oem part.
This is good for quality parts and it fits perfectly.
This is built by anodizing racing.
This comes with a gasket as it's for best fitment.

Best For Power Steering: Evil Energy K Series Oil Cooler

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The Evil Energy K Series Oil Cooler's material feels more premium than its price would suggest. The evil energy k series oil cooler is convenient and it is safe. Please measure before purchase.evil energy provides this product with a 3-month warranty. In addition, this is great for pressure test and it comes with good kit.

The cooler provides after-sales service. To add to that, this stacked - plate oil cooler can be used to cool down the engine, transmission, and rear - differentials. Further, this comes with a complete kit and it makes for a great buy. Most importantly, the evil energy k seriesoil cooler is right and it is simple.

Most customers quickly discovered that the cooler was the correct reader with a gauge. In addition, a few strongly agree that the cooler might sound like a smart @$$ answer, but, go to the search bar at the top of the amazon page, type in "oil filter sandwich plate", and several pop up. Also, they say that the 10an 10 row oil cooler 's size is shown in the item 's picture.

Customers discovered that getting a high pressure oil hose, along with cooler is useful.

Top Customer Quotes:

This is used for power steering, It is adjustable and has a cooler style.
Size: 10an 15row oil cooler,oil capacity:0.8l.test pressure: 116psi,burst pressure:232psi.material:aluminium alloy.
This oil cooler is honestly super well made for the price.
This is black, is fairly easy and it does the job.

Best For Customer Service: Mishimoto K Series Oil Cooler

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We would, of course, be remiss if we didn't mention Mishimoto K Series Oil Cooler for daily usage. The mishimoto kseries oil cooler is right and it fits well. The built-in thermostat prevents oil flow to the cooler until the engine oil reaches activating temperature, allowing for both a faster warmup at startup and extra oil system protection in cold climates. And, this includes two 1/8" npt plugged ports for optional sensors or gauges.

The cooler is used for overall length, can register for a lifetime warranty, It is made for easy installation and has a cooler style. Lastly, the mishimoto k series oil cooler is simple and it is thermostatic.

Most customers quickly discovered that the cooler is easy to install on a 4.0l jeep wrangler. Moreover, a few say that the cooler is designed for threaded filters with an m20 x 1.5 or 3/4" -16unf thread pitch. To sum up, for almost all customers, Mishimoto product was just what they wanted.

Customers discovered that getting a oil gauges on car, with this cooler made their life much easier.

Top Customer Quotes:

M20 x 1.5" & 3/4" unf 16 sandwich plate adapters.
This provides ports for adding sensors or connections for additional gauges.
They fit perfectly and it is made of very good quality.
Three 1/8" npt ports (with plug) for sensors/oil feed/etc.

Best For Aluminum Alloy: 3Mirrors K Series Oil Cooler

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Not everyone likes to purchase a coolers for their regular use, but the 3Mirrors K Series Oil Cooler would be an anomoly. The 3mirrors k series oilcooler comes with temperature sender sensors. The Manufacturer says: Please believe that the quality of our products is proven and we will never provide inferior products. Moreover, the cooler is made of recycled plastic, it will save 10% of the cost.

Finally, the 3mirrors k series oil cooler is right and it is designed for aluminum alloy.

To sum up, many have used the 3mirrors k series oil cooler for more than a few months without any issues, and it shows no sign of giving up.

Why We Like This:

The manufacturer says: but we are using hnbr o-rings, they are better than vi-ton o-ring.
This is more durable and it allows for excellent performance.
Has quality problems or non - compatibility problems.
You will need a special oil sensor socket for the oil pressure sensor.

Best For High Temperature Resistance: Bdfhyk K Series Oil Cooler

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The Bdfhyk K Series Oil Cooler's material feels more premium than its price would suggest. The bdfhyk k series oil cooler fits perfectly, It is designed for great price and has precise design. Manufacturer says: Our sensors are oil temperature sensors, fluid temperature sensor and oil pressure sensors that meet professional specifications. The oil cooler uses 8 layers of thickened aluminum and 8 layers of thin aluminum, thick and thin cross double layer design, can cool the oil into the engine, with a superior cooling rate.

The cooler is designed with premium material and has a great design. Also, the cooler is recommended to install the product in a professional compliant. Most importantly, the bdfhyk k series oil cooler is suitable for high temperature resistance, It is packaged well and has professional design.

Most buyers opine that the cooler is from the service manual.. lower manifold is 106 inch pounds, upper manifold is 89 inch pounds. Moreover, a few strongly agree that the cooler is perfect for the 2013 jeep wrangler two - door with 3.6 l good quality, thanks. Also, they also found that the oil cooler filter housing adapter includes oil temperature sensors, fluid temperature sensor and oil pressure sensors. Overall, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:

This fits the 3.6l v6 engine.
Before ordering, please confirm whether the accessories are suitable for your vehicle.
This is designed for high temperature,sss It works with part numbers and has a sealing design.
This is perfect for what it is meant for.

Best For Light Duty: Dorman K Series Oil Cooler

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Next on the list, we've got yet another cooler that manages to win our hearts. It's the Dorman kseries oil cooler and it's widely considered as the cooler that has the most suitable features. The Dorman k seriesoil cooler fits well and it would be perfect with durable construction. To make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool. This direct replacement oil cooler matches the fit and function of the original equipment oilcooler for a reliable repair.

The cooler is perfect for great quality, is designed for a great price, it comes with a direct fit and has a great design. Finally, the Dorman k series oil cooler is right and it is great for nice quality part.

Almost all customers quickly discovered that the cooler is good as compared to others with better warranty. Moreover, they strongly agree that the cooler would be perfect with no problems. Also, they also found that the cooler is best to get oem for a perfect fit.

Top Customer Quotes:

This has undergone extensive testing to ensure a quality fit and long service life.
The cooler itself is crafted a little better than the gaskets.
This is made of durable, corrosion-resistant aluminum for reliable, leak-free performance.
It looks good, is blue, it makes for a great buy and has a sealing design.

Best With Manufacturer Part Number: Sportuli K Series Oil Cooler

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Best part: Sportuli K Series Oil Cooler costs comparatively low and it is available to ship in 24 hours. The sportuli k series oil cooler is right and it is fairly easy. It allows the engine oil to be strained through the filter and removes foreign particles to keep your engine running clean. Also, the cooler is great for other parts issues and it is made for easy installation. Most importantly, the sportuli k series oil cooler is compatible with part number and it is compatible with manufacturer part number.

Most customers quickly discovered that the cooler can be used in a lot of models, and they all share the problem with the cooler/filter housing. And, a few strongly agree that the cooler is too large to fit into the hole. Overall, many have used the sportuli k series oil cooler for more than a few months without any issues, and it shows no sign of giving up.

Few customers bought k series oil cooler and dyna jagg oil cooler, along with the cooler.

Why We Like This:

Good brand reputation.
Good investment for the long term.

Best For Working Pressure: Eonlion K Series Oil Cooler

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Compared with other coolers in this category, the Eonlion K Series Oil Cooler has a convenient design. The eonlion k series oil cooler reduces oil temperature up to 50°f. Row oil cooler is basically like a radiator to cool your oil. The design of this oil cooler is smaller and lighter, suitable for narrow spaces and meets the needs of more lines at the same time.

The cooler is right and it looks great. Finally, the eonlion k series oil cooler is designed for working pressure, It is much lower and has an excellent design.

Almost all customers found that the cooler can handle about 70psi without any problems. Also, they also found that the cooler comes with enough line to get creative. Moreover, they strongly agree that the cooler is used to cool the oil. In conclusion, the tone of buyers is very positive and we believe that the cooler suits the purpose.

Why We Like This:

This is made of high quality t-6061 aluminum.
This is simple, It has been oxidized for durability and has a great design.
This is used to cool engine oil, transmission and rear differential.
This allows fitment of an oil cooler without the use of a sandwich plate adaptor.