Product Description
This listing is for a Heavy Duty Deep Transmission Pan with 3.25 quarts Extra Capacity for Allison 1000 Transmissions(5 and 6 speed) model years 2001-2019 with 12 bolt pan. This pan is designed to provide extra fluid capacity and increased cooling. This PML pan fits 2001-2019 Chevrolet and GMC full size trucks with the Allison 1000 5 & 6 speed automatic transmissions. The Allison 5 and 6 speed transmissions are found in the Silverado & Sierra 2500 & 3500 with the Duramax diesel or 8.1L gas engine. The drain hole and magnetic drain plug allow for easy transmission servicing to keep your vehicle running smoothly. A magnetic drain plug and all new mounting bolts are included with the pan. This pan has been designed for:
Configurations vary so always check your vehicle. Verify which transmission you have and look for ground clearance and interference from frame cross members or exhaust components. Pan dimensions can be found below in our Technical Information section. 2006 and 2007 H1 Hummer may have an Allison transmission but lack space for a larger transmission pan. 10 Speed, 2019 and newer: This pan will not fit the 10 speed Allison transmission. Contact us if you have a 10 speed Allison transmission. This pan comes with a LIMITED LIFETIME WARRANTY, for complete details please see our Warranty section below. WE ARE NOT RESPONSIBLE FOR YOU ORDERING A PART THAT DOES NOT FIT YOUR VEHICLE. Please seethe Technical Information/Identification Guide below for information on how to properly assure pan fitment. If you have questions or need assistance please contact us and we will do our best to assist you. As always, if you have any questions please feel free to message us here on eBay. We have an ASE certified transmission tech, with 25+ years experience rebuilding transmissions, available to answer your questions.
The above photo shows a comparison between the Deep Pan and the Stock Pan. This pan has one location cast into the pan that can be machined for use with aftermarket sensors and gauges, it can accommodate from 1/8 NPT to 1/2 NPT. Gasket The only gasket we know about for the Allison is the reusable gasket. A flexible, thin rubber cork gasket works best with PML pans. With the thick, hard reusable gasket, make sure that it is clean and free of nicks or there will be a leak. You may need to file down the gasket bolt holes so the PML pan seals correctly. Some installations have used a very thin bead of silicon(RTV) instead of the gasket. In the above photo you can see the drain hole, located on the front of the pan. The pan has a boss on the inside of the casting that can be machined for a temperature sensor, this is also located on the front edge. It can accommodate between 1/8 and 1/2 NPT and we can drill it to your specifications for a $65 fee. In the above photo you can see the cast-in filter supports in the bottom of the pan. The transmission pan features filter supports that are an integral part of the floor.  In the above photo you can see the difference in depth of the Deep Pan vs Stock.
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