Chevrolet, GMC (Cab & Chassis) Differential - Rear - Zumbrota Drivetrain - RAA435-281A-P

Rear Axle Assembly
RAA435-281A-P
Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Reman Rear Axle Assy AAM 11.5" 11-14 GM 3500 DRW w/o Widetrac C and C, 3.73 Posi
Remanufactured AAM 11.5" Rear Axle Assembly, 2011-'14 GM 3500 DRW, Cab Chassis, Without Wide Track, 3.73 Ratio, Posi
Zumbrota Drivetrain Axle Assemblies are rebuilt to the highest quality standards of precision and reliability. Each Axle assembly is thoroughly inspected for straightness, cracks and surface wear. All internal components are fully inspected and tested including ring and pinions, internal gears, clutches and carriers. All bearings and seals are replaced. Gears are fully inspected for optimal tooth contact patterns and correct rolling torque using inch pound measurements for precise setup and longevity. Correct gear backlash is set to ensure proper gear lubrication and quiet operation. Axle tubes are inspected to ensure OEM standards of straightness. Zumbrota uses an exclusive hydro-blast rinse and sandblasting procedure on internal and external parts, followed by a proprietary shot-enticed deep cleaning, setting the standard for Axle assembly remanufacturing.
Ratio: 3.73; AAM 11.5 Inch Ring Gear
Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY
With Posi Traction
Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
All housings are cleaned utilizing our state of the art hydro blasting and rinsing process. This process is what brings all cases back to the OEM finish.
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
100% inspection of all internal parts, including Ring and Pinion’s, Internal Gears, Clutch’s and Carrier’s
All tubes are inspected to ensure they are straightened to OEM specifications.
Ratio: 3.73
AAM 11.5 Inch Ring Gear
Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY
With Posi Traction
Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
All housings are cleaned utilizing our state of the art hydro blasting and rinsing process. This process is what brings all cases back to the OEM finish.
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
100% inspection of all internal parts, including Ring & Pinion’s, Internal Gears, Clutch’s & Carrier’s
All tubes are inspected to ensure they are straightened to OEM specifications.
Axle Type: Full Floating
California Proposition 65: WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Cover Included: Yes
Fluid Capacity: 3
Fluid Included: No
Gear Ratio: 3.73
Grade Type: Regular
Mounting Hardware Included: No
Pre-Filled Oil: No
Ring Gear Diameter: 11.5

Detailed Fitment Results
Year Make Model Body Type Fitment Notes 2011 Chevrolet Silverado 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2011 GMC Sierra 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2012 Chevrolet Silverado 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2012 GMC Sierra 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2013 Chevrolet Silverado 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2013 GMC Sierra 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2014 Chevrolet Silverado 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2014 GMC Sierra 3500 HD Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Dual Rear Wheels, Ratio Option GT4, Without Widetrack Option GTY, With Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts