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**MidLifer** · 03-01-2013, 06:36 PM

Thanks guys. I've found Dorman control arms for the 73-87 C-20 (P/N 520179, 520180, 520113, 520114). If I'm buying the complete upper and lower assemblies (arm, ball joint, spindle) and knowing that my spindles are originally from a mid-70s C20, I'm assuming (I know what happens when you assume...) that the arms would work for the application.

Disagree?

If I get back under the truck, assuming that the arms on there are OEM, would part numbers be stamped in anywhere?

03-01-2013, 06:36 PM	#4
MidLifer Senior Member Join Date: Apr 2011 Location: South NJ Posts: 1,262	Re: Control Arms C10 vs C20? Thanks guys. I've found Dorman control arms for the 73-87 C-20 (P/N 520179, 520180, 520113, 520114). If I'm buying the complete upper and lower assemblies (arm, ball joint, spindle) and knowing that my spindles are originally from a mid-70s C20, I'm assuming (I know what happens when you assume...) that the arms would work for the application. Disagree? If I get back under the truck, assuming that the arms on there are OEM, would part numbers be stamped in anywhere? Last edited by MidLifer; 03-01-2013 at 07:18 PM.