Deep Aluminum Transmission Pan This is a "Deep Transmission Pan for afactory 200-r4 Buick Trans " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is an all aluminum deep aluminum transmission pan which holds more fluid for... MSRP: Was: Now: $399.00 Choose Options