While some may argue that this is not needed, it is a matter of being overly protective of your vehicle. Dorman Dorman Automatic Transmission Oil Cooler Line Fitting 800-713. The best types transmission coolers for towing are typically stacked plate, or plate and fin coolers because they are able to disperse heat best. Estimated Ship Date: Today. Learn more about how a transmission cooler will benefit your tow vehicle, and which transmission cooler is best for towing. The Tru Cool 40k uses 3/8 inverted flare hex fittings which makes it great for running custom transmission cooler lines with a/n fittings. One of the best benefits is that you have the option to have an internal cold weather bypass or not depending on which model you buy. This is a braided Cooler Line Kit with 90 degree & straight fitting hose ends. Dodge Ram 2500 Auto Trans Oil Cooler Line Fitting. Perfect for upgrading from old steel cooler lines to something much more durable. Overall, the Derale 15960 is certainly in the discussion for being one of the top rated transmission coolers with a fan for towing. While there are a number of benefits of using a transmission cooler for your vehicle, the do not in crease towing capacity. Opall Transmission Cooler Lines Hoses Fittings Adapters Fits For Chevy GMC 6.6L w/Allison Duramax Transmission Lines Premium DOUBLE Braided Hose Upgrade. Free shipping . It’s been 10 years now since GM and Ford released their 6 speed automatic transmissions and they are gaining more and more popularity for use in custom applications. Whether the transmission is to be removed or the transmission cooler lines are to be replaced, the first step in either process is to remove the cooler lines. This is done to prevent constant downshifts. One of the best aspects of this cooler is that is comes equipped with -8AN line fittings, so it is easy to plumb custom lines to increased cooling capacity. Smaller Tru Cool coolers use a 3/8 hose barb fitting, which makes it easier to install rubber transmission hose. FREE Shipping by Amazon. FREE Shipping. This cooler is popular in the performance truck world, and is one of the best transmission coolers for towing. FREE Shipping by Amazon. The Derale 15960 transmission cooler is a stacked plate style cooler with 25 cooling rows and an 8″ fan that flows 500+ CFM. This is seldom the case for the average driver who tows once in a while. Find The Lowest Price On Derale 15960 Transmission Coolers. Dorman 800-604 Transmission Connector GM Truck 96-00 87. price CDN$ 87. This cooler can be used with barb fittings or custom lines can be used with AN fittings. Not only does tow haul mode help with transmission shift points and power, but also may disengage overdrive. If your vehicle is designed to be able to tow, odds are there already is an external transmission cooler in conjunction to the stock unit. Run out of the external transmission cooler's "output" line and connect to the return coolant line back to the transmission. When it comes to towing with your vehicle, it is highly recommended to install a higher capacity transmission fluid cooler than what comes standard. When installing a transmission cooler in your car, truck or SUV, it is important to consider not only the cooler size, but where to mount it, and how to run the lines. Hayden Automotive 397 Transmission Line Fitting Kit. 5 5. The B&M 70274 is equipped with 1/2″ NPT fittings which will require you to go out and purchase extra fittings, but if you are purchase a transmission cooler for added piece of mind, this should not deter you from buying this cooler. This is used to change how the transmission shifts under a heavier load. Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF. Mounting here provides significant air flow which will help keep temperatures low. 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