Allison 10L1000 Transmission Pans

The factory transmission pan on your Duramax L5P's Allison 10L1000 transmission does the job of keeping transmission fluid inside your HD Silverado or Sierra's transmission, but that's basically all it does, and even then, just barely. Tier One's selection of Allison 10L1000 transmission pans don't just hold your truck's transmission fluid, they also provide some additional cooling and improved lubrication to your tough Duramax's 10L1000 transmission. Each of these transmission pans are made out of cast aluminum and feature built-in heat sinks that improve heat dissipation over the stock stamped steel pan, providing a nice drop in running temperatures. Most of our Allison 10L1000 transmission pans also feature deep designs that allow them to hold more fluid than the stock 10L1000 transmission pan, giving you improved capacity for better lubrication and additional heat resistance. Make sure you also check out our Allison 10L1000 Transmission Coolers or our Allison 10L1000 Torque Converters!