Yes to all the above, with the addition of the small inserts that go into the transmission case opposite the B1 and B2 servos. They install from the inside of the transmission case, so disassembly of the transmission is required. I don't remember the proper technical name for these parts at this time; they have a spring and piston inside them but are serviced as an entire part except for the o-rings which are replaceable. The opposite end of the bands from the servo pistons attaches to these "inserts".

The "radial pump seal" I'm guessing refers to the large O-ring around the pump body and not the hub seal. The o-ring I have always found to be rock hard and leaking. If that O-ring is hardened, there will be others inside the transmission hardened as well, so it would be best to do an entire reseal of the transmission. Most often the O-rings internal to the K1 and K2 clutch drums will be found hardened. They are included in aftermarket transmission rebuild kits along with self tapping screws and instructions for installing the O-rings. Otherwise the K1 and K2 drums would have to be replaced. Not doing so will leave you with leaking clutch drums and possible slippage.

It's also a good time with the transmission out to inspect and replace the B3 clutch discs if necessary. They sit directly behind the fluid pump and can be replaced without removing the gear train. Look for clutch material flaked off of the friction discs.

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Erich Loepke
2010 Ford Focus
Currently Benz-less