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gmc684x4 · 11-08-2020, 01:27 AM

What is the axle number of the diff in your truck ?
I would guess and say its a 70 to 72 diff there a bit wider

11-08-2020, 01:27 AM	#8
gmc684x4 Registered User Join Date: Jul 2012 Location: Whitehorse yukon Posts: 1,218	Re: Identification of my 12 Bolt What is the axle number of the diff in your truck ? I would guess and say its a 70 to 72 diff there a bit wider