Front & Rear Differential Fluid Changed / Serviced (2026 4Runner 6th Gen)

[ROBERT18452]

As I call around the NE the prices prices vary dramatically by region

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[4cyl_runner]

Three of the "12157‑10010" (silver) fill and drain for rear and fill for the front
and the front uses "90430‑24017"(copper) for drain.
Wait so is the bottom ones the old ones? they all look the same

Can anyone confirm, all these washers, are the same for the 5th gen 4Runner? Thanks

 

[CO/ZA]

Can anyone confirm, all these washers, are the same for the 5th gen 4Runner? Thanks

Yes, it appears so - https://www.amazon.com/dp/B07CJHTDVV

I bought this and it works perfectly.

Did the rear differential with 6.5k on the clock, oil was only slightly murky brown.

Magnetic plug had ordinary amount of iron filings.

Refilled with 5.9qts of Valvoline Extended Performance 75-90w and all is well.

 

[kekecarioca]

I did my rear Diff oil change last week @ 30K and to be honest the oil still looked "pretty good". Of course it had metal sparkles and sludge on the plug but it still had quite a nice gold tone to it.

Note I have a TH that holds an extra quart in there and did minimal towing and hard off-roading a few times.

 

[SC4Runner]

I’m approaching 20k and need to get this done! Several questions…

What’s everyone’s fluid pump recommendation (if ordering by the gallon)? How much oil does the front differential hold? Do you need to replace the plugs or just the washers? Is the transmission fluid replacement procedure for our 6th gens the same as the 5th gens? Finally, what’s the transmission fluid weight?

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