B&M 70390 Hi-Tek Deep Transmission Oil Pan

Compatible with 2001-2019 GM 2500/3500 Trucks with Allison transmission

PART# 70390

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$360.00   Suggested Retail
$323.95   Your Price
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Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 2.5-quarts over the stock O.E. pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid, and corresponding components. Other features for this popular pan include a filter extension and drain port with magnetic drain plug for clean and easy servicing. Also includes 1/8 in. npt temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation. Note: Fits Allison 1000, 2000 and 2400 transmissions.


  • Magnetic Drain Plug for Easy Servicing
  • External & Internal Fins for Strength
  • Additional 2.5-quart Fluid Capacity
  • T356-T6 Aluminum Construction
  • Over 65 Years of B&M Quality
  • Increased Cooling Properties
  • Temperature Sensor Port
  • Custom B&M Logo

Product Attributes

Emission Code5
Manufacturer Part Number70390
Product TypeTransmission Oil Pans
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number70390



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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