AC Idle Up Diaphragm Question

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Joined
Apr 22, 2018
Threads
7
Messages
135
Location
Midland, TX
I have an 87 Pickup and unfortunately the AC idle up diaphragms are crazy expensive now. I recently found this Toyota part# 88606-26030 which appears to be almost identical to the one I need. Does anyone know how this part differs and why it wouldn’t work?

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I've used some from other Toyota models and they worked fine. One of them did not have provision for the steering idle up feature but I just altered the hose plumbing.

I had another that just had slightly different port positions but it also worked.

There's a couple threads on yotatech about alternative options from other Toyota models as well. If I can find it, I'll post it.
 
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