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Old 03-12-2026, 02:08 PM   #1
mike16
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Location: bisbee, arizona
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72 c10 upper A arms identify left/ right

Im rebuilding the front end in my 72 c10

I failed to mark which upper a arm is the left or right

Now that they are out of the truck......

How do identify which is left

And which is right?

Thank you
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Old 03-13-2026, 11:32 AM   #2
raggedjim
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Re: 72 c10 upper A arms identify left/ right

The outermost hole always goes to the front. In pic the top arm is the passengers and the bottom is the drivers.
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Last edited by raggedjim; 03-13-2026 at 11:38 AM.
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Old 03-13-2026, 01:49 PM   #3
theastronaut
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Re: 72 c10 upper A arms identify left/ right

Pic from before I tore down my '66, 63-72 arms are the same. The hole for the bump stop is closer to the rear of the arm/truck.

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Old 03-13-2026, 01:59 PM   #4
mike16
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Re: 72 c10 upper A arms identify left/ right

Thank you
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