ATP TF-171 Automatic Transmission Filter Kit is designed for built-in transmission filters. ATP transmission filter kits include all gaskets, filters, and other components that your filter change might require. These filters are specifically designed for your transmission; therefore, improper fitment is never an issue. This filter kit has been manufactured to meet or exceed original equipment specifications. ATP components are exact fit - no compromise replacement parts. ATP part number TF-171 is engineered to replace the original equipment automatic transmission filter in 1995-2000 GM 4T40E models.