2jz-1jz alternator swap

[JonoTurbo]

Last night I found out something interesting. While the 2jz alternator is not a 'plug and play' drop in for the 1jz, it can easily be made into one. The difference between the two is the plug, the 1jz plug being round and the 2jz being an inline type.

If you have a broken 1jz alternator, you can remove the rear cover from it by taking off the 3 nuts holding it on and unscrewing the post from the side. Then, the board with the plug on it is held down by 3 screws. This board and the rear cover will directly swap into the 2jz alternator.

It is possible that more Denso alternator parts may be swappable like this.

I'll try and get pictures to illustrate.

 

[tlo86]

i found it easier to just wire in the in line plug hehe they are pretty common, i actually have an extra round plug alt and two plugs

 

[cruzinbill]

an sc300 2j plug is round. i used mine when i did my swap since i replaced it about 3 months before the swap

 

[91T breezen']

I just did my alternator. I had it rebuilt using all SC300 parts. 120 amps now, for a mere $168.00 out the door!:icon_bigg

 

[tlo86]

an sc300 2j plug is round. i used mine when i did my swap since i replaced it about 3 months before the swap

the sc i worked on had the non round style - thus why i have a spare round that came off an aristo heh. my aristo came with a square

 

[annoyingrob]

hmm, I have a spare 2JZ alternator lying around. I should try this. I always like more power potential.

 

[cruzinbill]

thats odd mine was def round mine is a 92, not sure if it changed later or not tho