B&M Deep Transmission Pans B&M Cast Aluminum Deep Transmission Pan for 4L60- 4L60E has an additional 3 qts. capacity over the stock pan to keep your transmission running cooler. Other features are: · Increasing cooling ability · No modification to the dipstick is needed · Fluid pickup extension and gasket provided · B&M Deep Pans feature built-in drain plugs 59-70260 B&M Deep Transmission Pan for 4L60E Transmissions (replaces part number 59-70294)