Allison 1000 Transmission Coolers

The big Duramax diesels and their Allison transmissions may be extremely powerful and capable, but both your HD Silverado or HD Sierra's motor and transmission sure to throw out a lot of heat making all that power and capability happen. Things get even worse when you're towing heavy or add power into your Duramax rig. Don't find yourself on the side of the road waiting for your truck to cool off, just grab an Allison transmission cooler from Tier One today! Aftermarket Allison transmission coolers offer up vastly improved heat dissipation than the stock transmission cooler, ensuring that your Duramax's Allison transmission stays running in a safe temperature range. We here at Tier One have both drop-in Allison transmission coolers, as well as high-performance Allison auxiliary coolers for dedicated tow rigs and performance trucks! Make sure to also check out our Allison Transmission Pans or our Allison Electronics!