In pan suction filter for Allison 1000 with deep pans like Mag Hytec etc. that lack a support shelf for the filter.

"A filter loc is always a good idea for peace of mind securing the suction filter so it cannot drop out." -JK

In pan suction filter for Allison 1000 with standard (stock) pan or PML deep pan with support shelf.

"A filter loc is always a good idea for peace of mind securing the suction filter so it cannot drop out." -JK

This is the OE Genuine Allison Filter. Fits 2001-present Allison 1000 series. Be sure to transfer the ring magnet onto the new filter!