Front Differential - Stripped Drain Plug

badmotofing3r · Jan 22, 2021

endagon said: ↑

This is what I could find doing some couch surfing.

Both Tundra and LX570 use the same gaskets on the front diff: the drain plug uses gasket 90430-24003 (the flat copper one) which also cross-references to all Tacoma '95-present and Tundra '00-present; the fill plug gasket is

$21 12157-10010 Toyota Oil Drain Plug Crushable Steel Gaskets Set of 10 OEM 12157-10010

12157-10010 and applies to those years as well. Toyota parts shows the 12157-10010 gasket used on both our rear diff drain and fill plugs FWIW.

Lexus shows the LX570 comes with the exact same drain and fill plugs with the 10mm allen head as the Tundra so I guess that route is out.

Toyota parts website shows the same part numbers for Tundra and Tacoma front diff plugs (90341-18032 fill and 90341-24014 drain) so we know the threads are the same on both trucks. That one in the link might work as it's a Tacoma site.

Here's the one in the link with a cross-reference list (not from Toyota/Lexus tho). On the

Toyoya 90341-24016 PLUG, STRAIGHT SCREW

Amazon page it shows it having a magnet in the picture.

I picked one model (IS350) from the cross-reference list to find where it applies; it's the front diff drain plug, using the same 90430-24003 copper gasket as our Tundra drain plug does. Cool. The IS350 uses 90341-18060 fill plug with our 12157-10010 fill plug gasket (encouraging) but I don't know if the threads are the same. The only picture I could find was this ebay page and I take anything on e.bay with a grain of salt, but it does show the external hex for a wrench.

I found the fill plug on sparksparts but the 90341-24016 drain plug doesn't return any results there.

TacomaWorld shows people happy with just the drain plug here.
Click to expand...

I just stripped my drain plug last night. Do you think the 9034118060 will work as both the drain AND the fill plug?

endagon · Jan 30, 2021

I wouldn't. Being a fill plug it probably doesn't have a magnet.

Part_time · May 29, 2021

What about never sieze.
Ani seize

Acedude · Jul 1, 2021

endagon said: ↑

This is what I could find doing some couch surfing.

Both Tundra and LX570 use the same gaskets on the front diff: the drain plug uses gasket 90430-24003 (the flat copper one) which also cross-references to all Tacoma '95-present and Tundra '00-present; the fill plug gasket is 12157-10010 and applies to those years as well. Toyota parts shows the 12157-10010 gasket used on both our rear diff drain and fill plugs FWIW.

Lexus shows the LX570 comes with the exact same drain and fill plugs with the 10mm allen head as the Tundra so I guess that route is out.

Toyota parts website shows the same part numbers for Tundra and Tacoma front diff plugs (90341-18032 fill and 90341-24014 drain) so we know the threads are the same on both trucks. That one in the link might work as it's a Tacoma site.

Here's the one in the link with a cross-reference list (not from Toyota/Lexus tho). On the

Toyoya 90341-24016 PLUG, STRAIGHT SCREW

Amazon page it shows it having a magnet in the picture.

I picked one model (IS350) from the cross-reference list to find where it applies; it's the front diff drain plug, using the same 90430-24003 copper gasket as our Tundra drain plug does. Cool. The IS350 uses 90341-18060 fill plug with our 12157-10010 fill plug gasket (encouraging) but I don't know if the threads are the same. The only picture I could find was this ebay page and I take anything on e.bay with a grain of salt, but it does show the external hex for a wrench.

I found the fill plug on sparksparts but the 90341-24016 drain plug doesn't return any results there.

TacomaWorld shows people happy with just the drain plug here.
Click to expand...

OK, so looking at your helpful Tacomaworld link and finding this one also A Front Diff Drain (and Fill) Plug that Doesn’t Suck – ADVENTURETACO what seems to be the best procedure is:

- Front diff drain plug Lexus PN 90341-24016, and washer.
- Front diff fill plug Lexus PN 90341-18060, and washer.

Also, PN 90341-A0002 works for the fill plug (Tacomaworld thread Front diff drain plug alternate OEM part | Page 5 | Tacoma World).

I dimly remember using the fill plug from a Tacoma manual trans many years ago on a 4Runner front diff fill plug, correct pitch.

Part_time · Jul 24, 2021

I got a new one from sparks. Lesson learned it was a 5 dollar bolt but they charged me 20 dollars for shipping. I complained and they gave me 10 back. I started to strip mine and stopped. That top plug is a pain in the ass. What worked for me. Sprayed penetration oil on it let it sit for a bit. Don't know if this helped or not. Then I jacked the truck up on the front driver's side so I could maintain as close as possible 90 degree angle with my break bar. Then lowered for the draining and refill. Then jacked back up for torque.

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badmotofing3r To be so civilized, one must tell civil lies

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endagon New Member

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