This video demonstrates how to complete a transmission service on the 2005-2023 Toyota 4runner including a drain and refill plus filter replacement. Transmission fluid, filter, and crush washers were all purchased from Amazon and I will provide links below.
Toyota WS ATF 6qt Pack: https://amzn.to/3yzeFMP
Transmission Filter: https://amzn.to/4fpLZqt
Crush Washers: https://amzn.to/3SzckZ2
Pennzoil Fluid Pump: https://amzn.to/3YCrIIh