Drivetrain› Automatic Transmissions and Components
B&M
Automatic Transmission Pan Deep Chevy Gen III
SKU: B00M 70391
Moderate — 2–4 hours
Description
Part #: 70391
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 1.8-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 drain port with magnetic drain plug for clean and easy servicing. Also includes 1/8 inch 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: Does not fit GM Truck/SUV 6L80E transmissions.
Features:
- Drain Port with Magnetic Drain Plug for Easy Servicing
- Thick Fins for Strength and Improved Cooling
- Increases Fluid Capacity by 1.8-quarts
- Features Temperature Sensor Port
- A356-T6 Aluminum Construction
- Over 65 Years of B&M Quality
- Lifetime Limited Warranty
- Includes Hardware
- Easy Installation
Transmission Pan - Hi-Tek - Deep Sump - Finned - Adds 1.8 qt Capacity - Aluminum - Natural - 6L80 - Each
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | B&M |
| Part Number | B00M 70391 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy