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Banks brings forced air cooling to the heavy-duty Allison 10L1000 transmission for 2020-2026. Using technology from our patented differential covers, the Banks Ram-Air Transmission Pan extends fluid oil life by rejecting more heat than stock and all competitors. An additional three quarts of capacity, a break-away Ram-Air scoop, and Banks
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Trans oil pan
Instructions were spot on. Drilled small hole on old pan bottom to drain old fluid. Way less messy. New install was easy with no leaks. As an Amsoil dealer, I only use Amsoil lubricants. Love the look.
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Richard · October 17, 2026
Ram-Air Transmission Pan
Upon dropping old pan installing the new along with fluid and filter, I noticed the Transmission temperature was approximately 10-15 degrees cooler than previously when pulling the same amount of heavy loads. Texas heat 105 and transmission never got above 172 on several loads in stop and go traffic. Running 75-80 on freeway stay consistent at 160-165. Great product where as prior it would creep up to the mid 180's. 2020 Chevrolet crew cab 2500 4wd L5P
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Billy · September 25, 2026
Great product! Lowered my Trans temp.
Great instructions and video for the install! I live in Phoenix, really does lower the transmission fluid temp. Install was easy. Used a large concrete mixing pan from HD to avoid a fluid mess.