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. Highly recommended and affordable way for all Duramax owners to add some extra protection to their Allison transmission.

Includes:

• 1-Genuine Allison deep sump transmission pan
• 1-Genuine Allison deep sump filter

Optional:

• 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. 
• Your choice of spin on external filter 
  • DMAXSTORE PERFORMANCE TRANSMISSION FILTER, 2001-2019
  • DMAXSTORE PERFORMANCE EXTENDED TRANSMISSION FILTER, 2001-2019
  • ALLISON TRANSMISSION SPIN ON FILTER
• Drain Plug 
• Transmission Pan Replacement Bolt Kit