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Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

4.6 4.6 out of 5 stars 2,234 ratings
$30.58 with 28 percent savings
List Price: $42.64

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Purchase options and add-ons

Brand Hayden Automotive
Material Aluminum
Color Gray, Silver
Product Dimensions 12.5"L x 7.5"W
Item Weight 1.8 Pounds
Maximum Pressure 150 Pound per Square Inch

About this item

  • Size: 0.75"D x 12.5"W x 7.5"H. Outlet and Inlet Size: 3/8".
  • Mid-size and full-size cars, pick-ups; Compatible with OEM cooler systems
  • GVWR up to 18,000 pounds, towing up to 3,500 pounds
  • 100% pressure testing to 150 PSI for quality assurance; Ultrasonically soldered for durability. High efficiency turbulators.
  • Please check that this cooler fits your vehicle before purchasing. Please utilize the Compatibility Guide PDF towards the bottom of this page for fitment confirmation.
› See more product details

Frequently bought together

Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler
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BOXI Engine Oil Cooler Compatible for Nissan Rogue 2008-2013 / for Nissan Juke 2011-2014 / for Nissan Sentra 2007-2012 / 2160
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From the manufacturer

About Us

Since the invention of the transmission cooler by Mr. Perry Hayden in 1961, Hayden has continued to add innovative products to meet the needs of its customers while investing in continuous improvements and maintaining quality.

Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. From fan clutches and electric fans to performance oil and transmission coolers, we’ve got what you need to protect your vehicle from damaging and performance robbing heat.

Product Description

It is an economy style transmission cooler kit. Coolers are round tube serpentine design. It has ultra-low profile to ensure easy fit. Kits contain cooler, hose and mounting hardware.

Product information

Technical Details

Additional Information

Warranty & Support

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vProduct Warranty: For warranty information about this product, please click here [PDF ]

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Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

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What's in the box

  • Hayden Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

    • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    2,234 global ratings

    Customers say

    Customers like the performance, ease of installation, and cooling of the hardware tubing. For example, they mention it works well, provides maximum cooling, and is easy to install. That said, opinions are mixed on the quality, fit, and leakage.

    AI-generated from the text of customer reviews

    82 customers mention82 positive0 negative

    Customers are satisfied with the performance of the tubing. They mention that it works well, everything in the box worked great, and it's perfect. Some say that the instructions are versatile.

    "It looks good and should work but I order the wrong one and had to return it. So all I can say is it looks like it will work for the right car." Read more

    "i had to custom make an oil cooler for a older tractor and this worked great. it has been on the tractor for years no without any problems...." Read more

    "Seemed to work fine. Sold the truck after a couple weeks with no issues." Read more

    "...immediately by seller I have it reinstalled and it's been working perfectly no issues at all the oil temperature has not rise at all working great,..." Read more

    69 customers mention65 positive4 negative

    Customers find the installation of the hardware tubing to be easy. They mention that the instructions are versatile and the product works great.

    "Easy install, good fit. 2004 nissan frontier" Read more

    "easy to install and maintain a good oil temperature" Read more

    "It was very easy to install. I haven’t drove around to check the trans temp yet but the cooler looks solid...." Read more

    "Works great and easy to install." Read more

    41 customers mention41 positive0 negative

    Customers are satisfied with the cooling provided by the hardware tubing. They mention that it provides maximum cooling by returning the coolest oil directly to the gearbox. Some say that it does good as an add-on cooler and that it maintains a good oil temperature.

    "It looks good and should work but I order the wrong one and had to return it. So all I can say is it looks like it will work for the right car." Read more

    "...1 is recommended because it affords the most efficient cooling, and that is what I opted to do...." Read more

    "easy to install and maintain a good oil temperature" Read more

    "...had any issues whatsoever with the trans cooler and it's keeping my truck at normal temp...." Read more

    34 customers mention31 positive3 negative

    Customers appreciate the value of the hardware tubing. They mention it's a great product for a good price.

    "So far so good. Great kit for the price, it used an odd transmission gates hose diameter, 11/32", and wasn't long enough for my 14' Nissan Rogue..." Read more

    "Working great and at a great price!" Read more

    "...Very good value for the money." Read more

    "...Works good ,good quality for the price" Read more

    23 customers mention16 positive7 negative

    Customers have mixed opinions about the fit of the hardware tubing. Some mention that it fits perfectly, is easy to install, and works perfectly, while others say that it does not fit their model, has completely incorrect dimensions, and does not come with a fitting for radiator connect.

    "Easy install, good fit. 2004 nissan frontier" Read more

    "Perfect size. Works well. I installed as part of a compressor cooling system...." Read more

    "So far so good. Great kit for the price, it used an odd transmission gates hose diameter, 11/32", and wasn't long enough for my 14' Nissan Rogue..." Read more

    "...Fits perfectly on the one half of the AC condenser behind the grill. Would recommend this size to anyone putting it on a subaru!" Read more

    51 customers mention30 positive21 negative

    Customers are mixed about the quality of the hardware tubing. Some mention that it's well-made, strong, and holds up fine, while others say that it arrived damaged or with a defective part. The aluminum is a little flimsy and the fins aren't brittle.

    "...Luckily the fins aren't brittle and I was able to get them straight-ish, bending each fin one by one with a small flathead screwdriver...." Read more

    "Aluminum is a little flimsy just don't put too much pressure on the plastic zip mounts. I use it as a power steering cooler on my truck...." Read more

    "Foolproof. hose clamp it in the system, and you're done, no leaks." Read more

    "...The fins do bend easily but can be fixed of course, and it feels flimsy but works fine. The highest it reaches is about 178F° with both!..." Read more

    15 customers mention8 positive7 negative

    Customers are mixed about the leakage of the hardware tubing. Some mention that it works properly with no leaks, while others say that it began leaking after every installation. Some customers also mention that the process after every was done it began to leak, with 2 solder joints and 1 tube that leaked soon.

    "Foolproof. hose clamp it in the system, and you're done, no leaks." Read more

    "...after going through the installation process after every was done it began leaking, now I have to do it all over again, I have ask for a replacement..." Read more

    "...No leaks and before I installed on my 2007 GMC Yukon 5.3 the temp hovered around 180 city driving and 200s when we hit the mountains...." Read more

    "...I might be a little inexperienced but ended up having a tear in the hosing. Lost about 2 quarts. Chaucking this up to being a novice...." Read more

    8 customers mention5 positive3 negative

    Customers are mixed about the hose quantity. Some mention there was plenty of hose included for this type of install, while others say the amount was barely enough.

    "...to install did it in the series config (Directions in box) Plenty of hose included for this type of install..." Read more

    "...because I had to buy an extra adapter (hayden 397)and the amount of hose was barely enough." Read more

    "Comes with everything you need if you plan on mounting it close to the stock radiator/tranny cooler...." Read more

    "...I cannot speak to the performance, but the hoses included were nice and long and seemed to be of good quality." Read more

    Nice addition and needed
    5 Stars
    Nice addition and needed
    75 corvette with 600hp and was definitely needed!
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    Top reviews from the United States

    Handelong86
    5.0 out of 5 stars It looks good
    Reviewed in the United States on January 31, 2024
    Verified Purchase
    It looks good and should work but I order the wrong one and had to return it. So all I can say is it looks like it will work for the right car.
    Helpful
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    RocNLoxx
    5.0 out of 5 stars Nissan upgrade
    Reviewed in the United States on November 12, 2023
    Verified Purchase
    Easy install, good fit. 2004 nissan frontier
    Helpful
     Report
    Jeremy
    5.0 out of 5 stars Used it for a oil cooler on tractor
    Reviewed in the United States on October 30, 2023
    Verified Purchase
    i had to custom make an oil cooler for a older tractor and this worked great. it has been on the tractor for years no without any problems. i could not be happier.
    Helpful
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    D. Musicant
    4.0 out of 5 stars Hayden 403 cooler installed on 1997 Mazda 626LX 2.0L 4 cylinder
    Reviewed in the United States on February 3, 2013
    Verified Purchase
    I had a very alarming incident that I attributed to a transmission problem recently (not at all sure I could make it home) and my online investigation revealed that my car (and other Mazda 1993-2002 626's, and probably some others) were given a Ford CD4E transmission that was designed for significantly lighter cars. The early failure rate of that transmission in these Mazdas (mine is 3800 lb), is quite high. One Mazda technician told me that among those in the know, it's called the 60k transmission. Mazda issued a couple of bulletins around 2000 indicating that an external transmission fluid cooler was recommended, however it was to be done on the customer's dime. I decided to DIY it.

    I think that Hayden should have supplied at least another foot of hose. The return line from the cooler to the transmission that was already there (coming previously from the radiator), was barely long enough to reach the cooler. 1 inch less and it would not have reached. If it had not reached, the ~4 foot length of hose supplied in the kit may have been barely enough, when cut to produce the two necessary connections (the first being from the radiator's transmission fluid outlet to the cooler's input, the second being from the cooler's output back to the transmission), maybe not.

    Hayden in the instructions indicates two possibilities:

    Series (your fluid first goes through it's former cooling, being through your radiator)
    Separate (you bypass the radiator for whatever reason, presumably because your radiator has a problem)

    I did series, the recommended method.

    I finished the install yesterday, and I made the job harder than necessary. I'll explain. Firstly, I opted not to the install as suggested in the included instructions.

    They have 3 suggested placements:

    1. In front of the AC condensor, which is in front of the radiator
    2. Between the AC Condensor and the radiator
    3. Behind the radiator.

    #1 is recommended because it affords the most efficient cooling, and that is what I opted to do. However, before I installed I was guided to a thread that shows an installation including diagrams and photographs:

    [mazda626 dot net/topic/24936-external-trans-cooler/?p=352865]

    The thread shows a method utilizing homemade brackets that stand off the cooler from the AC condensor, generating better air flow to both the cooler and the AC condensor. I decided I liked that approach. However I made some mistakes, and only realized it after committing to them. I succeeded in finishing the install in a satisfactory manner, however if you do this or something similar I have a few suggestions:

    1. Assemble the cooler to the brackets before mounting the assembly to the vehicle.
    2. Affix the hoses to the cooler next.
    3. Only then, mount the assembly to the vehicle.

    Doing things in that order will make the installation far easier than the way I did it. Now, the way I did it took incredibly longer than the "average 1/2 hour" that the instructions indicated. Of course, if you make your own brackets, it's going to take you a lot longer too, but if you do things in the order I indicate and don't run into problems it shouldn't be too tough. Safety first!
    11 people found this helpful
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    67dan
    5.0 out of 5 stars cooler
    Reviewed in the United States on March 25, 2024
    Verified Purchase
    good trans cooler helps cool trans
    Helpful
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    Yilbert contreras
    5.0 out of 5 stars Cooler
    Reviewed in the United States on October 12, 2023
    Verified Purchase
    easy to install and maintain a good oil temperature
    Helpful
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    Nathaniel Rodriquez
    5.0 out of 5 stars Recommended but those hoses would not slide on easily.
    Reviewed in the United States on February 16, 2020
    Verified Purchase
    So far so good. Great kit for the price, it used an odd transmission gates hose diameter, 11/32", and wasn't long enough for my 14' Nissan Rogue Select for both legs. By the time I figured it out I had to go to the auto parts store and they only carried 5/16" diameter which is only 1/32" difference so should feasibly work. Well getting the 11/32" hose was challenging enough having to grease the barb attachment with motor oil and using a heat gun to make the hose more pliable since it was 60 degrees out but it wasn't freezing by any means. When I moved to the 5/16" hose, boy was it difficult to insert and I bent some of the aluminum fins on the cooler since I was getting desperate to get my vehicle back to service; being my only mode of transportation. Luckily the fins aren't brittle and I was able to get them straight-ish, bending each fin one by one with a small flathead screwdriver. Definitely recommend buying the 11/32" gates hose if you think you need more than the 4'.
    6 people found this helpful
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    Prof1
    3.0 out of 5 stars horrible instructions
    Reviewed in the United States on December 25, 2023
    Verified Purchase
    The instruction pamphlet is barely legibly. If they had quality instructions that were accessible online, I would rate higher.
    One person found this helpful
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