GM: 9.5" 12 Bolt - Rear Axle

Ring & Pinion 9.5" AAM  OE 12 Bolt Rear End & Differential

Parts Chevrolet & GM

Buy only the best Rear End Parts manufactured by American Axle 12 Bolt Rear End Parts

Let us rebuild your Chevy GM Rear End and you save money!

As a distributor for  American Axle Manufacture we offer a full line of Original Equipment (OE) parts. Demand original OE parts the same parts the your vehicle left the factory with including, the 7.25 inch to 11.5 inch Ring and Pinion & other differential components.

Ring and Pinion set, Master Bearing Kit, are available and should be changed at the same time as installation of your new Ring & Pinion Gear.  We have provided an assembly specification listing torque specs to assist you.  A detailed illustrated parts drawing is also provided.

You can identify problems with your Rear differential there are. Four typical problems associated for General Motor vehicles.GM 9.5 Rear End are Ring Ring and pinion failure:

Problem #1 Regular “clunking” or loud “clicking” every few feet may indicate a broken ring or pinion gear tooth. “Banging, clicking or clunking” while cornering can be caused by broken carrier bearings or side gears commonly called “spider gears”, lack of sufficient positraction lubrication, or worn positraction clutches.

Problem #2 with GM 9.5 inch 12 Bolt AAM components
Worn carrier or pinion bearings can create excessive play between the gears and produce an uneven wear pattern or chipping teeth
Problem #3 with GM 9.5 inch 12 Bolt AAM Components
Check for worn bearings and replace as necessary.
Problem
Problem #4: Improper break-in mileage
Can and will lead to premature wear and damage.

We can provide the following GM Axle Components

Repair Kits including Ring and Pinion Sets, (no OE available) Carrier, Bearing Kit Master, Axles, Pinion Yoke, Gaskets, Seals .

GM 9.5 inch 12 Bolt AAM Components Guaranteed

Only our original equipment (OE) quality differential components are guaranteed to meet the same specifications as the factory parts they replace.  More lapping cycles and tighter tolerance in the manufacturing process, reduce noise, improve performance, it's important.  Below are examples of ring and pinion gear patterns:

Performance with GM 9.5 inch 12 Bolt AAM components means performance to the vehicle manufacturer’s standards.Why change gear ratio?  Lower ratio provides more power (off the line), higher ratio for concrete cursing an getting groceries, provides you more miles per gallon.

 AAM  Rear End Differential 9.5 OE Parts Reliable  AAM products are designed for long-term reliability.

AAM Durable Advanced processes ensure AAM products withstand the high usage demand for all GM applications

Quality AAM products are manufactured to the highest-quality standards that customers demand

Performance AAM products are engineered, manufactured and validated to meet OEM specifications and ensure ultimate performance on: 1983 -Up  K Series, 1981, 1500, 2500 & 3500 Series are supported.

We offer a complete line of American Axle Rear end and differential parts for the GM 12 Bolt.

SPECIFICATIONS

A detailed parts illustration is provide to assist you in identifying the correct parts, the first time.  Supply the correct parts to you mechanic, will save you money.  Click part number to see more information including your cost.

Rear End AAM GM 9.5 12 Bolt OE Differential Parts

Click on Part Number to see more information and price.

GM: 9.5" 12 Bolt - Rear Axle Products

Part Nunber Description Model Years Axle Type Side L/R Ratio Teeth Length
40103091 Axle Sierra, Silverado, 1500 Series Pick-up 2007 - 2018 9.5" 12 Bolt - Rear Axle L/R 33 864.18mm Lg.
40103092 Axle Tahoe, Suburban, Yukon 2007 - 2017 9.5" 12 Bolt - Rear Axle L/R 33 878.18mm Lg.
40090727 Carrier Open Loaded Use with: 95K2308GEARKIT   2014 - 2016 9.5" 12 Bolt - Rear Axle 3.08 33 / 1.41"  
40090728 Carrier Open Loaded Use with: 95K2342GEARKIT or 95K2410GEARKIT   2014 - 2016 9.5" 12 Bolt - Rear Axle 3.42 & 4.10 33 / 1.41"  
40087159 Includes Deflector Seal 40101832 1355 Pinion Yoke     9.5" 12 Bolt - Rear Axle   32 / 35.65  
40088785 Includes Deflector Seal 40101832 1415 Yoke     9.5" 12 Bolt - Rear Axle   32 / 35.65  
95K2308GEARKIT K2XX Aftermarket Gear Set Kit 1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yukon 2014 - 2018 9.5" 12 Bolt - Rear Axle 3.08  13x40  
95K2342GEARKIT K2XX Aftermarket Gear Set Kit 1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko 2014 - 2018 9.5" 12 Bolt - Rear Axle 3.42 12x41  
95K2410GEARKIT K2XX Aftermarket Gear Set Kit 1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko 2014 - 2018 9.5" 12 Bolt - Rear Axle 4.1 10x41  
14012746 Semi Float Axle C-Lock     9.5" 12 Bolt - Rear Axle      
40099601 Crush Sleeve   2014 - 2016 9.5" 12 Bolt - Rear Axle      
74067020 Bearing Kit Master  Not Sierra, Silverado, Suburban, Yukon, Escalade, Denali, Avalanche, 2014- 2016 9.5" 12 Bolt - Rear Axle      
40037574 Pinion Nut M22 x 1.5 - 6 PT FLANGE HEX - STAKE     9.5" 12 Bolt - Rear Axle      
40064367 Ring Gear Bolt M12 x 1.5 x 22 - LH 6 PT FLANGE HEX W/ ADHESIVE 1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko 2014 - 2016 9.5" 12 Bolt - Rear Axle      
40051815 Semi-Float Axle Shaft Seal     9.5" 12 Bolt - Rear Axle      
40088005 Coverpan Gasket (ROM)     9.5" 12 Bolt - Rear Axle      
40088808 Pinion Seal 1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko 2014 - 2016 9.5" 12 Bolt - Rear Axle      


AAM 9.5" Salsbury 12 Bolt