Transfer case fluid change?

Tiny
ASHLIE_LINCOLN
  • MEMBER
  • 2018 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 187,000 MILES
What size washer to replace with? The Amazon link leads to a set with all sizes.
Friday, March 6th, 2026 AT 3:14 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 55,499 POSTS
Hello, yes that is for the kit, here is the size for the washer as requested.

Toyota Part Number: 90430-18008

Dimensions
Inner Diameter: -18 mm
Outer Diameter: - 24 mm
Material: Aluminum crush washer

Here is the video to help you change out he fluid as well.

https://www.youtube.com/watch?v=w2HFLkJ_QtM

Use 2CarPros anytime, we are here to help. Please tell a friend. Ken

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Saturday, March 7th, 2026 AT 12:30 PM

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