What OFH do I have?

[sypherzero]

Hey guys, I got an extra OFH when I bought a block for my car. So can anyone tell me what year/model this if from? Thanks!

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[bryanwheat]

That is a 90 6 bolt housing that uses an external cooler.

 

[hotrodssnova]

Yep, that's a 1990 6 bolt ofh. They are better IMO, because, when your bearings go, and you throw a rod, you can just throw away the external oil cooler and buy a new one for cheap. If you have ever priced a water cooled ofh, you will see what I mean....don't try to clean a stock oil cooler, won't work.

 

[sypherzero]

I'm not trying to disagree with you guys, but after a little more searching, I found this Evo III housing, STM: OEM MITSUBISHI EVO III OIL FILTER HOUSING | 7-BOLT DSM | MD191710 . On the Evo III housing at STM, ther is a L stamped into it, and I have the same L on mine.

 

[19Eclipse90]

Looks like a 7-bolt housing to me, in which case it'd be from an Evo III. The bolt spacing of the bottom two bolts seems a bit too close for a 6-bolt and the casting shapes within the mounting surface do not match a 6-bolt.

 

[bryanwheat]

Looks like a 7-bolt housing to me, in which case it'd be from an Evo III. The bolt spacing of the bottom two bolts seems a bit too close for a 6-bolt and the casting shapes within the mounting surface do not match a 6-bolt.

You are correct, after comparing the spacing to a 90 filter housing i have it is definitely from a 7 bolt.