The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Rear Differential Casting Number -- How to Decode??

Mapearso · 12-12-2015, 11:29 PM

Code is --

RHA W238 2

I believe this is a '72 3.07 rear and is original to the truck

12-12-2015, 11:29 PM	#6
Mapearso Registered User Join Date: Oct 2008 Location: los angeles, ca Posts: 926	Re: Rear Differential Casting Number -- How to Decode?? Code is -- RHA W238 2 I believe this is a '72 3.07 rear and is original to the truck