Chevrolet, GMC (Cab & Chassis) Differential - Rear - Zumbrota Drivetrain - RAA435-2085A-30-P

Rear Axle Assembly
RAA435-2085A-30-P
Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Axle AAM 11.5" '01-'07 GM 3500 Cab Chassis A/T and 5 Speed M/T 3.73 POSI 1415 Yoke
AAM 11.5" AXLE ASSY '01-'07 GM 3500 CAB CHASSIS, AT/5SPD M/T, W/O W-TRACK, 3.73, 30MM U-JOINT, POSI
AAM 11.5" Rear Axle Assembly '01-'07 GM 3500 Cab Chassis, A/T or 5 Speed M/T, Without Wide Track, 3.73, Posi, 30MM U-Joint
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.
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 housings are tested for surface wear and cracks.
All tubes are inspected to ensure they are straightened to OEM specifications.
Axle Assy AAM 11.5", '01-'07 GM 3500 Cab Chassis AT and 5MT, 3.73 POSI 1415 Yoke
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 housings are tested for surface wear and cracks.
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 Included: No
Gear Ratio: 3.73

Detailed Fitment Results
Year Make Model Body Type Fitment Notes 2001 Chevrolet Silverado 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2001 GMC Sierra 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2002 Chevrolet Silverado 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2002 GMC Sierra 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2003 Chevrolet Silverado 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2003 GMC Sierra 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2004 Chevrolet Silverado 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2004 GMC Sierra 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2005 Chevrolet Silverado 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2005 GMC Sierra 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Option GT4, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2006 Chevrolet Silverado 3500 Cab & Chassis Ratio: 3.73; AAM 11.5 Inch Ring Gear, Cab Chassis Option ZW9, Without Wide Track Option GTY, With 30mm U-Joint Cap Diameter, Ratio Opti…