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โ๏ธ Stay Cool, Drive Confident: Upgrade Your Transmission Game Today!
The Hayden Automotive 676 Rapid-Cool Transmission Cooler is a compact, steel-built cooling solution designed for sub-compact to compact vehicles with GVWR up to 18,000 lbs. Featuring patented internal turbulation technology, it enhances heat transfer while reducing pressure drop. The kit includes pre-drilled mounting brackets, hose, and hardware for quick installation, backed by a 1-year/12K mile warranty.

| ASIN | B000C39CL8 |
| Best Sellers Rank | #106,853 in Automotive ( See Top 100 in Automotive ) #11 in Automotive Replacement Engine Coolers |
| Brand | Hayden Automotive |
| Brand Name | Hayden Automotive |
| Connector Type | Through Hole |
| Contact Material | Aluminum |
| Contact Type | Normally Open |
| Customer Reviews | 4.6 out of 5 stars 857 Reviews |
| Global Trade Identification Number | 00036752006762 |
| Included Components | Transmission Cooler |
| Item Type Name | Transmission Cooler |
| Item Weight | 2.2 pounds |
| Manufacturer | Hayden Automotive |
| Model | 676 |
| Mounting Type | vehicle mount |
| Operation Mode | Automatic |
| Part Number | 676 |
| UPC | 036752006762 |
| Unit Count | 1 Count |
| Warranty Description | 1 year or 12K Miles |
J**E
Great Quality and Easy to Install
Great quality. Used as a power steering cooler on a 4runner. Feels well-made and very sturdy once secured. Box came with enough hose so I did not have to purchase anymore. Performs excellent as a power steering cooler.
N**K
2006 Infiniti M45. 2 Year Review
This little cooler fit perfectly on my 2006 Infiniti M45, perfect upgrade that has kept my transmission fluid temps low and transmission happy. Very durable as it has held up for months to over 2 years now.
S**Y
little cooler big difference
I installed this in my 2000 s10 in hopes of prolonging the life of the worn out 4l60e that is in my truck. because i made a mistake i had to install it as a replacement instead of in line with the factory cooler, and it made a world of difference. the engine runs 10 degrees cooler and no longer spikes in temp, and the transmission now takes 20 minutes longer to heat up and start slipping in city traffic. on the highway i dont have any trouble at all with my transmission. tachometer sits right at 2 grand at 70 mph, which is right where it should be. check engine light no longer comes on for a tranny slip code. I know i havent solved my tranny problems completely, but i definitely pushed back an expensive repair shop visit. i can only imagine what this will do to extend the longevity of the replacement transmission. i would most definitely recommend that anyone with an s10 that has an automatic transmission install one of these. although I would go with one size bigger if you do a lot of trailer pulling with your truck
B**T
so far ok
works
J**H
Fix my heating problem on my 2002 Jetta VR6
I was looking to upgrade the crappy water to oil cooler from my 01M gearbox on a 2002 VW Jetta VR6. This cooler do the job perfectly. Size was perfect, I was able to adapt the mounting to the front of the car. I strongly recommend to order another hose for connection, as just the one coming with the cooler would have not been enough at all. I used the some of the mounting kit that I bought separately (only come with the tie) It work perfect, drastic fall in temperature from the transmission, so no more problem so far. I really recommend.
U**1
Custom lawn tractor application
I got this after reading about someone using one a an oil cooler for their lawn tractor. My Kohler 25HP always ran hot in the summer, up to 250F oil temp according to my mechanical gauge. The kit was very complete, and had enough hose to run from the cooler adapter to the front of the engine. I 3D printed some mounting brackets and also a 4 inch fan controlled by a thermo switch. Even without using the fan, the first time I mowed my oil temps never got over 190 degrees. This did what I needed it to do and was a good value.
A**Z
Great Buy
Added this to my 2008 Acura TL. I do add these to most of my used cars as it extends the life of any transmission based on the oil running cleaner and less hot. Noticing a difference in shifting a lot smoother and responsive. It was easy to install you will need extra hoses depending how and where you set up the cooler. Looks cool as well if you look closely you can see it behind the grill. Hoping this extends the life on this transmission as it has with my other cars.
D**N
Nice finish. Good quality
This cooler is pretty good quality for the price. Comes with a super long 3/8 hose that fits very snuggly around factory metal line barbs. It comes with a hard line adapter so you can just slip on the hose, and comes with a few worm clamps and zip tie mounts. I personally hate zip tie mounts because there is a huge chance of condenser or radiator damage from the cooler vibrating against it but luckily theres plenty of mounting holes and the inner 4 holes are slightly elongated giving more wiggle room when trying to match up holes to bolt into. The barbs on the cooler are also pretty snug but I still prefer using simple spring clamps to hold the hoses in place versus the worm clamp.. Feels more like it was made to be there rather than an aftermarket addition.
Trustpilot
1 week ago
1 month ago