Depends on the rear end in the truck. In newer trucks it is common for the same model truck to have an option of several different axles. I think your truck fits that category.

The only fool proof method is to take your old one, and look at it beside the new one.

But chances are you will be in luck.

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-