Front and Rear Differential OEM "DIY" Master-Rebuild Part Numbers

[VernySanders]

Front and Rear Differential Rebuild Information:

Part Numbers and Cost:​

• Front Pinion Bearing - Toyota (90366-30067) Front Outer $46.73
• Rear Pinion Bearing - Toyota (90366-35087) Rear Inner $68.23
• Side Bearings - Toyota (90366-50007) Case Side (Small) $43.26
• Side Bearings - Toyota (90366-75001) Case Side (Big) $27.42
• Pinion Seal - Toyota (90311-38047) $6.76
• Toyota Transfer Indicator Switch: Beck and Arnley 201-1788 $11.51
• (TTIS: ROCK AUTO PART NUMBER AND FOR E-LOCKER ONLY)

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Total Rear Differential Cost: $203.91

Part Numbers for Front Differential:​

• Side Bearings - Toyota (90368-50006) $38.81 x 2 = $77.62
• Pinion Bearing Inner - Toyota (90366-35023-77) $68.63
• Pinion Spacer - Toyota (41231-22010) $12.95
• Pinion Seal - Toyota (90311-38066) $9.81
• Pinion Bearing Outer - Toyota (90366-30078-77) $32.77
• Output Shaft Seal Left - Toyota (90311-47027) $13.24
• Output Shaft Seal Right - Toyota (90311-47013) $14.40
• Output Shaft Bearing - Toyota (90903-63008) $39.01

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Total Front Differential Rebuild Cost: $268.43

If anyone can contribute to this in any way, that would be great! This is a complete guide to getting differential bearings for a lot cheaper than any of these other gear and bearing brands sell the kits at. In addition to this, the seals are from Toyota, which is a big deal for me. Also, this actually includes an output shaft bearing for the front differential which I have personally not seen in any "master rebuild" differential kit offered online.

This research results from a week long search into the best "master rebuild kit" online. What I finally figured out, the best option is to build your own master rebuild kit, and order from an online parts store. Personally, I always order from Conicelli Toyota Parts online parts store so these prices could be higher or lower depending on if you shop at a place like Camelback Toyota for instance. (I believe Conicelli and Camelback are the same with pricing.)

Feel free to add any additional differential, front end, or rear end drive-line component part numbers in this thread.

I WOULD LIKE TO NOTE: The rear differential breakdown is for an E-Locker 4Runner / Tacoma 8" 3rd member. If you do not have an E - Locker everything is the EXACT SAME besides the carrier bearings. You would order two of the "(small)" bearings. Not one (small) and one (big).

 

[VernySanders]

I also just want to note, I find it EXTREMELY interesting that these big brands like Yukon are selling these kits with added pattern paint, a cheap paint brush, some cheap shims, and some cheap in-house made diff bolts. Oh and a gasket or RTV. They sell this for NEARLY or OVER DOUBLE what Toyota is asking for essentially the same parts. I literally thought about buying 10 of these oem kits and selling them online for $50 less than the big manufacturers and still making a profit hahaha

 

[[email protected]]

Hi I have a 87 4runner with IFS front. I have a front 3rd member that I bought from FB marketplace. Before I installed it I wanted to change out any easy seals, o'rings, bushings, maybe bearings? all easy stuff I do not plan to open the diff and remove the pinion or gear. Which parts would this out of the list you made?

 

[sleepydad]

I also just want to note, I find it EXTREMELY interesting that these big brands like Yukon are selling these kits with added pattern paint, a cheap paint brush, some cheap shims, and some cheap in-house made diff bolts. Oh and a gasket or RTV. They sell this for NEARLY or OVER DOUBLE what Toyota is asking for essentially the same parts. I literally thought about buying 10 of these oem kits and selling them online for $50 less than the big manufacturers and still making a profit hahaha

you might want to run those parts thru the UAE parts site

9036850006 Toyota BEARING (FOR FRONT DIFFERENTIAL CASE), Price: 28.11$, Weight: 0.4kg - PartSouq - Auto Parts Around the World

I re-did my rear last fall and it was cheaper with shipping and they were all good quality OEM stuff. and I agree I found the same thing... it's like why would I pay the up charge for Yukon stuff?

I got some paste like iron out of my first change after about 600 miles. I just had to change it again after about 4K and it was nice and clean. so... maybe I just got lucky but my first re-do on a gear set went ok. it's not easy to get everything into spec. I struggled for an entire day to get it just right.

 

[VernySanders]

Hi I have a 87 4runner with IFS front. I have a front 3rd member that I bought from FB marketplace. Before I installed it I wanted to change out any easy seals, o'rings, bushings, maybe bearings? all easy stuff I do not plan to open the diff and remove the pinion or gear. Which parts would this out of the list you made?

Hey there! If you're not looking to take the ring gear or pinion out, all you can really do is change an outer seal depending on the design of your diff. Depending on your application, having the driveshaft dropped and diff out of the way can make room for a couple of other maintenance items but nothing major.

 

[VernySanders]

you might want to run those parts thru the UAE parts site

9036850006 Toyota BEARING (FOR FRONT DIFFERENTIAL CASE), Price: 28.11$, Weight: 0.4kg - PartSouq - Auto Parts Around the World

I re-did my rear last fall and it was cheaper with shipping and they were all good quality OEM stuff. and I agree I found the same thing... it's like why would I pay the up charge for Yukon stuff?

I got some paste like iron out of my first change after about 600 miles. I just had to change it again after about 4K and it was nice and clean. so... maybe I just got lucky but my first re-do on a gear set went ok. it's not easy to get everything into spec. I struggled for an entire day to get it just right.

I'll keep that in mind! Yeah, why pay the upcharge just because someone else did a little leg work to find part numbers LOL. It sounds like the paste is an initial wear after setting up a gearset which is completely normal and why they suggest you change the fluid out after the break in period. If youre doing it for the first time it can take a while, but after you've been around the block once its not to difficult to get everything dialed in if you ever need / want to do it a second time! These third members with side adjusters are cake. Im glad your setup went well!!