This is the only FelPro part available as a transmission pan gasket for the 2010 Nissan Altima. The problem is that two types of gearboxes are installed on this machine. Apparently there are some with 18 bolt compartments, due to the 2 dowel pin holes there will be 20 holes in the gasket. If you have an 18 bolt pallet then this gasket is for you. There are some that have 19 screw pans and the gasket should have 21 holes. This is the type of pan I had and the gasket does not fit properly although the overall shape is almost identical, the bottom left corner as seen in the Revain picture is different between the two pans! I unfortunately had to find this out, having already dropped the pan and discovered the problem while trying to line up the new gasket. This review is not about the Fel-Pro product but about the fact that you may be receiving the wrong seal. The buyer is available. In the attached photo, the new FelPro seal is on the top and left and the old Nissan seal is on the bottom and right. Pay attention to the lower right corner, that's where all the differences are.
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