You can typically find your RPO code on driver side door panel or glove box. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch.
How do I identify my GM rear differential?
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 I know what Chevy differential I have?
If the ID tag or stamp is missing or unreadable, differentials can be identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring gear diameter. They can also be identified by whether the center section is an integral or dropout design.
Does VIN number tell gear ratio?
The gear ratio is usually listed in the VIN code located on driver's door, the glove box, or the ID plate on the dashboard. Count the times a rear wheel goes around for one driveshaft turn: if its 3 1/2 it's a 3.50:1. Divide the number of teeth on the ring gear by the number of teeth on the pinion gear.
Are dually axles wider?
Registered. The dually axle is wider.May 21, 2008
How much wider is a dually axle?
A Pickup dually axle is 6" wider than a Pickup SRW axle.Apr 12, 2011
How wide is a dually rear axle?
DRW rear axle is 72" from wheel flange to wheel flange.Nov 5, 2009
How wide is a f350 axle?
The 84.74-inch-wide axle (an F-350 front axle is 69.8 inches wide) was designed for the '05-and newer F-450 and F-550 Super Dutys, where it's rated to support 7,000 pounds of gross axle weight (GAWR) and cope with more than 600 lb-ft of engine torque.Jun 1, 2009
How can I tell what rear end is in my Chevy truck?
All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrain's differential identification page (see References). A visual chart of different GM/Chevrolet rear ends is found on Ring & Pinion's differential types web page (see References).
How do I know what rear differential is in my Silverado?
You can typically find your RPO code on driver side door panel or glove box. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch. Our experts will help you find the correct ring and pinion set for your particular application.