The TCI high flow filter system increases transmission fluid flow in the GM Powerglide for high performance use. It must be used with a TCI cast aluminum deep pan. The kit includes the filter, a filter gasket, an oil pan gasket, and a filter adapter.
- Fits GM Powerglide transmissions
- Increases transmission fluid flow for high performance use
- Requires use with a TCI cast aluminum deep pan
- Includes filter, filter gasket, oil pan gasket, and filter adapter
- For the TH350 version, see part 328505
- Part number: 528505
FAQ
What transmission does the 528505 filter system fit?
The GM Powerglide.
Does it require a specific pan?
Yes, it must be used with a TCI cast aluminum deep pan.
What is included in the kit?
The filter, a filter gasket, an oil pan gasket, and a filter adapter.

