how do i identify my gm rear end

Although the 75-inch 10-bolt closely resembles the 85-inch housing you can positively identify the Chevy 75-inch rearend by measuring it. Compared to the 14-bolt full-float axle the 14 bolt semi-float has a smaller ring gear 95 and the axle shaft can not be removed without also removing the wheels.

History And Identification Of Chevy 10 And 12 Bolt Chevy Differentials

GM differential identification is easy the diff can be accurately identified by the bottom line of the tag number or axle tube stamp this also applies to Dodge rear end.

. The RPO code located in the glove compartment or in the trunk on most GM vehicles is needed to identify the type of rear end. GM car and truck 12-bolt rearends are easily distinguishable by the cover shape. Please open the attached documents to see pictures of.

However road debris dirt. In the absence of an ID tag axle differential types can be identified using the shape of the cover the number of cover bolts the number of ring gear bolts and the ring gear diameter. I have a 1955 Chevy Bel Air and I have been unable to identify the rear end in it.

The axle ratio is derived from dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. 152 rows GM RPO Codes or General Motors Regular Production Option codes contain lots of. General Motors rear end differentials are referred to by the diameter of the ring gear ie.

The oval-shaped cover measures 8 516 inches by 10 916 inches. The following is a complete list of GM RPO axle codes for Chevy and GMC vehicles starting with the letter F. Learn how to quickly identify the three different variations of the GM 14 Bolt differential - the 95 105 and 115 - and the differences in setup for ea.

Count the number of inspection cover bolts on the rear end housing. See the Spicer Axle Identification information. There is an anomaly in that statement though as.

Identify your GMC or Chevrolet rear end gear ratio by the. Here are the numbers I have found on it. We offer a large inventory of new genuine GM parts ready for fast shipping.

Most GM trucks from 1961 through 1972 used a rear suspension consisting of two trailing-arms with coil springs. The distance between the bottom center bolt in the cover and its adjacent bolts is 3 14 inches. Shop by your differential.

Cast numbers on driver side. Dana Spicer and Ford Differentials can be identified most accurately by the tag number or axle tube stamp. How to Identify a Chevy Rear End.

The best way to be sure of which axle you have is by the Bill of Material Number stamped on the right hand axle tube. GM Chevy - Differential Identification. Ad Check out our easy to use GM parts catalog and wholesale prices.

General Motors has a wide range of front and rear ends. There are several ways to identify the axle under your vehicle. Having a visual reference is probably the easiest way.

GM RPO Codes or General Motors Regular Production Option codes contain lots of valuable information about your GM vehicle. You can typically find your RPO code on driver side door panel or glove box. Information about Differentials in GM vehicles can usually.

75 inch 85 inch 105. Please select a rear end that matches your vehicle below. Its worth noting that rear axles can sometimes be positively identified by a casting number and date stamped on the differential cover or axle tube.

The inspection cover is on the back of the housing seen by looking. Still the 14-bolt semi. We carry everything from the 725 IFS front end parts to the large 115 rear end parts for 1-ton trucks.

There are 164 different RPO codes so the dealer service facility or. We make it easy to verify your exact rear end by providing specs and year make and model. For a 373 ratio there may be 41 teeth on the ring gear and.

Novaresource Nova Rear Axle Codes