How do I know what rear end is in my Silverado?
Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box.
How do I find out what kind of rear end is in my truck?
Stamped Number on the Axle To figure out exactly what axle you have, you can look for the Dana stamped bill of materials number. This stamped number can usually be found on the righthand side or on the longer axletube on the same side of the tube as the differential cover, facing the rear of the truck.
How do I identify my GM differentials?
Information about Differentials in GM vehicles can usually be obtained by looking at the RPO or “Regular Production Option” codes contained in the Service Parts Identification tag in the glovebox. Whenever possible, reference the tag numbers when ordering parts for your Differential.
How do you tell if you have a 10-bolt or 12 bolt rear end?
Just like a 10-bolt rearend, there should be stamped numbers on the axle tube – on the passenger’s side. The numbers should let you know what gear-ratio came from the factory, the date of production, where the unit was assembled, and whether the carrier is Positraction or not (see charts).
How do you tell if you have a 7.5 or 8.5 rear end?
The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. You will also notice the large, flat, cast-in protrusions at the five and seven o’clock positions. These protrusions are larger than those on the 7.5 rearend.
Is a 12-bolt rear end good?
When the 12-bolt rearend is properly assembled, it’s the strongest passenger-vehicle rearend Chevy ever produced. GM engineers designed the 12-bolt to be a durable piece that could handle the torque output of its big displacement engines.
Do I have a Dana 35 or 44?
There are a few things that can help you tell if the axle is a Dana 35 or a Dana 44. The easiest way to tell these axles apart is to look at the shape of the differential cover. The Dana 35 cover is pretty much perfectly round. The Dana 44 is sort of a six-sided shape.
What vehicles have a Dana 35?
The Dana 35 (as well as the AMC-15) is found in a wide variety of vehicles. The most common Dana 35 applications are as a rear axle in the Jeep Cherokee, Jeep Wrangler, and Jeep Comanche and as a front axle in the Ford Explorer and Ford Ranger.