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Gm R4 Compressor Pad Block Fitting

pav1

By pav1
in Ask A GM Technician

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pav1 New Member

pav1

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Hello friends at GM Trucks,

 

My truck has a ZZ4 motor with the serpentine belt kit and R4 compressor. The compressor has a 3/4" suction hole and a 5/8" discharge hole on the back. It is the step down type that requires a step down adapter or different size stat o seals. I can't find a pad block adapter that will fit this compressor. If anyone knows what part(s) I need, I'd appreciate it. The hose fittings are #10 on the suction side and #8 on the discharge side.

 

Numbers on the compressor:

88964849

15-20184

022781326

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