Fits: 2001 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P Duramax Diesel

Add nearly 1 gallon of extra fluid to your transmission with this deep sump pan and help reduce temperatures while towing. This is a HIGHLY recommended and affordable way for all Duramax owners to add some extra protection to their Allison transmission.

Features:

• "Factory Upgrade"
• Cooler Transmission Temperatures

Includes:

• 1x Allison Deep Sump Transmission Pan
• 1x Allison Deep Sump Internal Filter
• 1x DmaxStore External Spin-On Filter (Other options available)
• 3x Gallons Transynd Synthetic Fluid
• Optional Extra Gallon of Transynd
  • The kit comes with 3 gallons of fluid which is perfect in most scenarios however if you let the transmission drain for too long or drain the transmission when it's hot, you may need more fluid. When the system is hot, the fluid expands which can cause the fluid to drain out from the converter, leaving less fluid in the transmission. The same issue can exist when the fluid level is low to start with. 
• Optional DmaxStore Transmission Pan Gasket
• Optional DmaxStore Filter Lock
• Optional External Transmission Spin-On Filter
  • DmaxStore Extended Spin-On Filter
  • Allison Spin-On Filter
• Optional Allison Transmission Pan Replacement Bolt Kit
• Optional Drain Plug
  • DmaxStore Magnetic Drain Plug
  • Allison Drain Plug
• Optional Filter Magnet

DmaxStore Note: 

• DmaxStore's Allison filter lock will reduce cavitation due to lack of seal at the filter and also will hold the filter securely in place when installed.