OEM Part Number

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texasmike

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I have a 1984 C10 5.0L LE9 Silverado with what I believe is an R4 A/C compressor. Can anyone tell me what was the original part number for the compressor? Thanks.
 

Finkaire

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Call your local GM dealer with the VIN for verification. I believe all the A4 compressors were the same except for the clutch assembly
 

chevytech87

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I can have my guys look in the morning if you provide a vin, we’ve got a wholesale parts guy with an 85 K series that knows 90% of the OE numbers by heart who I’m sure could help!
 

texasmike

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Thanks, I appreciate that. The VIN is 1GCDC14H8ES125872
 

texasmike

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Do you know who the manufacturer is? I know Standard Motor Products (SMP) currently makes them for a number of distributors. Since the demand probably isn’t too high, I wonder if they make them for GM?
I’m on my third new compressor and like the previous two Murray’s, this ACDelco is leaking at the seal and making a shrill noise only at startup and is also slinging oil on the wheel well. The clutch pulley on all three compressors, is a little wider than the crank and PS pulleys so the 7555 Gates belt doesn’t fit properly.
Thanks for your help.
 

chevytech87

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Unfortunately I’d probably have to have it in my hands to confirm. Allegedly it’s a real delco part, whatever that means these days. I get just as many junk parts that are “GM” in a box with a GM number as I do aftermarket. It’s pretty sad
 

Bextreme04

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My original A6 compressor blew the shaft seal a while back. I got a rebuild kit on ebay that had the new design double lip seal instead of the carbon/ceramic one that they originally used and it worked great. I think it was only ~$30 for the rebuild kit and you can get all the special tools to disassemble the clutch and compressor for free by renting them from autozone or oreilly.
 

texasmike

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Unfortunately I’d probably have to have it in my hands to confirm. Allegedly it’s a real delco part, whatever that means these days. I get just as many junk parts that are “GM” in a box with a GM number as I do aftermarket. It’s pretty sad
Who has the “real” delco part for sale?
 

chevytech87

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Engine Size
305

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