Trans Dapt replacement Aluminum Transmission Fluid Pans are machined from lightweight aluminum with a polished finish for good looks and durability. Each aluminum transmission fluid pan is designed for use with GM 7004, 4L60E, TH350 or TH400 transmissions and styled with a finned bottom. The finned bottom helps to dissipate heat better than standard steel transmission fluid pans for cooler oil temperatures. Trans Dapt aluminum transmission fluid pans will help extend the life of your transmission. Best of all, these pans are a direct replacement and are easy to install with simple hand tools.