SunCoast Allison Transmission Shallow Filter Lock 01-19 GM 6.6L Duramax

Something as simple as your transmission filter slipping from it collar can lead to catastrophic damage and thousands of dollars in repair bills. For those of you that have a shallow pan on your Allison Transmission in a 2001-2019 Duramax, SunCoast's Shallow Filter Lock is an inexpensive preventative measure to ensure that your transmission filter stays in place, reducing the risk of fluid cavitation or starvation.