Idler pulley

[JOES89K5]

Hello Members. I need information on the idler pulley that’s stationary (Not belt tensioner one) I have 1989 K5 Blazer 350 with AC. The pulley rear aluminum rear spacer that fits into pulley , bolt with recessed washer. Can anyone help with correct names and if GM part numbers or replacements. Any assistance would be grateful.

 

[Hosalabad]

Idler on the left side under the AC compressor?


There are other pulleys but this one shows the bolt as well:

https://shop.advanceautoparts.com/p...0360558acd/10748539-P?searchTerm=idler+pulley

I do not have a truck anywhere your year, I am purely guessing, but this is the pulley I thought of.

 

[JOES89K5]

Hello Yes that’s the one but when parts guy at advanced auto went to order it come back out of stock it didn’t even have a part number since it was AC Delco. My original one is plastic but that don’t matter it’s probably an upgrade. I need part number.

 

[frankin5]

https://www.amazon.com/ACDelco-15-20676-Professional-Conditioning-Pulley/dp/B000C984SE

https://www.rockauto.com/en/parts/acdelco,1520676,idler+pulley,6956
ACDELCO 1520676 {#19190145, 88919204} Professional; Smooth Info
w/Air Conditioning

EDIT for right ACDELCO part with AC

 

[JOES89K5]

Wrong pulley but the back spacer might be the same. It fits into back of accessory idler pulley. The spacer sticks out back 1/4” inch.

 

[frankin5]

Corrected

 

[JOES89K5]

Hello I found a AC Delco replacement. Fits perfect back on service.

 

[AB1989K5]

Hello I found a AC Delco replacement. Fits perfect back on service.

What part number did you come up with? I’m at parts house now dealing with same issue. I have plastic pulley..all they have is metal. What ac Delco part number did you find that worked for you?

 

[nvrenuf]

I got my pulley at oreillys. Iirc, it was listed as an alternative for my 91 and they had it on the shelf.