GM: 9.5" 12 Bolt - Rear Axle

Axle Shafts

Axle: Axle Shafts

AAM#Vehicle MakeModelYearAxle TypeSide L/R# of TeethLengthNotes
40103091GMSierra, Silverado, 1500 Series Pick-up2007 - 20189.5" 12 Bolt - Rear AxleL/R33864.18With 6 Studs - Pick up only
40103092GMTahoe, Suburban, Yukon2007 - 20179.5" 12 Bolt - Rear AxleL/R33878.18With 6 Studs - SUV only
40103094GMSierra, Silverado, 1500 Series Pick-up2007 - 20189.5" 12 Bolt - Rear AxleL/R33864.18Axle Shaft Machined. 40103091 without studs
40248181GMSilverado/Sierra 15002019+9.5" 12 Bolt - Rear AxleL/R33874.28T1XX 9.5" LH & RH AXLE SHAFT ASM STD & G80
Differential Cases - Internal Gears

Axle: Differential Cases - Internal Gears

AAM#Vehicle MakeModelYearAxle TypeAxle Ratio# of TeethNotes
40090727GM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20169.5" 12 Bolt - Rear Axle3.0833 / 1.41"Use with: 95K2308GEARKIT
40090727GM1500 Series Pick up, Silverado, Sierra2019+9.5" 12 Bolt - Rear Axle3.23 / 13x4233 / 1.41"DIFFERENTIAL ASM, STANDARD T1XX REAR AXLE 9.5" 3.23
40090728GM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20169.5" 12 Bolt - Rear Axle3.42, 4.1033 / 1.41"Use with: 95K2342GEARKIT or 95K2410GEARKIT
40090728GMExpress, Savana2019+9.5" 12 Bolt - Rear Axle3.4233 / 1.41"GMT-610
Differential Cover Pans

Axle: Differential Cover Pans

AAM#Vehicle MakeModelYearAxle Type
40089652GMExpress, Savana2014 - 20249.5" 12 Bolt - Rear Axle
40089652GMSierra, Silverado, Sierra Denali, Light Duty Pickup 1500 Series.2014 - 20169.5" 12 Bolt - Rear Axle
Pinion Flanges

Axle: Pinion Flanges

AAM#Vehicle MakeModelYearSeriesAxle Type# of TeethNotes
40087159GMSierra, Yukon, Silverado, Tahoe, Suburban, Escalade2014 - 20161355 Yoke9.5" 12 Bolt - Rear Axle32 / 35.65Includes Deflector Seal 40101832
40088785GMExpress, Savana2018 - 20241415 Yoke9.5" 12 Bolt - Rear Axle32 / 35.65
40088785GMSierra, Yukon, Silverado, Tahoe, Suburban, Escalade2014 - 20161415 Yoke9.5" 12 Bolt - Rear Axle32 / 35.65Includes Deflector Seal 40101832
40184028GMSilverado / Sierra 15002019+Pinion Flanges9.5" 12 Bolt - Rear Axle32FLANGE ASSEMBLY T1XX 9.5"/9.76" STD REAR AXLE
Pinion Seal

Axle: Pinion Seal

AAM#Vehicle MakeYearAxle TypeNotes
40169443GM2019+9.5" 12 Bolt - Rear Axle
Ring & Pinion Gear Sets

Axle: Ring & Pinion Gear Sets

AAM#Vehicle MakeModelYearAxle TypeAxle RatioNotes
40236500GMExpress, Savana2021 - 20249.5" 12 Bolt - Rear Axle3.42 / 12x41
95K2308GEARKITGM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20189.5" 12 Bolt - Rear Axle3.08 / 13x40K2XX Aftermarket Gear Set Kit
95K2342GEARKITGM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20189.5" 12 Bolt - Rear Axle3.42 / 12x41K2XX Aftermarket Gear Set Kit
95K2410GEARKITGM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20189.5" 12 Bolt - Rear Axle4.10 / 10x41K2XX Aftermarket Gear Set Kit
95T1323GEARKITGMSilverado / Sierra2019+9.5" 12 Bolt - Rear Axle3.23T1XX Aftermarket Gear Set Kit
95T1342GEARKITGMSilverado / Sierra2019+9.5" 12 Bolt - Rear Axle3.42T1XX Aftermarket Gear Set Kit
ABS Tone Rings

Installation Parts and Kits: ABS Tone Rings

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
40030759ABS Tone RingGM9.5" 12 Bolt - Rear AxleINSIDE AXLE TUBE - 32 TEETH (2007+ GMT900)
Adjusters and Retainers

Installation Parts and Kits: Adjusters and Retainers

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
14012746Semi Float Axle C-LockGM9.5" 12 Bolt - Rear Axle
Collapsible Spacers

Installation Parts and Kits: Collapsible Spacers

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
40099601Collapsible SpacerGMAll2014 - 20169.5" 12 Bolt - Rear Axle
Master Bearing Kits

Installation Parts and Kits: Master Bearing Kits

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
74067020GMSierra, Silverado, Suburban, Yukon, Escalade, Denali, Avalanche,2014- 20169.5" 12 Bolt - Rear Axle
74067033GMSilverado / Sierra 15002019+9.5" 12 Bolt - Rear AxleMASTER BEARING KIT T1XX LD 9.5" Rear 2019+
Needle Bearings

Installation Parts and Kits: Needle Bearings

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
40008157Axle Shaft Roller BearingGMAllAll9.5" 12 Bolt - Rear Axle41x71x26
Nuts, Washers, and Bolts

Installation Parts and Kits: Nuts, Washers, and Bolts

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
40037574Pinion NutGM9.5" 12 Bolt - Rear AxleM22 x 1.5 - 6 PT FLANGE HEX - STAKE
40064367Ring Gear BoltGM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20169.5" 12 Bolt - Rear AxleM12 x 1.5 x 22 - LH 6 PT FLANGE HEX W/ ADHESIVE
Seals and Gaskets

Installation Parts and Kits: Seals and Gaskets

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
40001710Semi-Float Axle Shaft SealGM9.5" 12 Bolt - Rear Axle
40051815Semi-Float Axle Shaft SealGM9.5" 12 Bolt - Rear Axle
40088005Coverpan GasketGM2014 - 20249.5" 12 Bolt - Rear Axle(ROM)
40088808Pinion SealGM1500 Series 5.3L V8 Pick up and Utility, Silverado, Sierra, Yuko2014 - 20169.5" 12 Bolt - Rear Axle