Chevrolet, GMC Differential - Rear - Zumbrota Drivetrain - RAA435-221B

Rear Axle Assembly
RAA435-221B
Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Reman Axle Assy for GM 8.6" 09-14 GM Van 1500 3.73 with Active Brakes
8.6" AXLE ASSY '09-'14 GM VAN 1500 3.73, W/ACTIVE BRAKES
8.6" AXLE Assembly 09-14 GM VAN 1500 3.73 , W/ACTIVE BRAKES .
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.
All tubes are inspected to ensure they are straightened to OEM specifications.
All housings are tested for surface wear and cracks.
100% inspection of all internal parts, including Ring and Pinion’s, Internal Gears, Clutch’s and Carrier’s
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
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.
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
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Reman Axle Assy GM 8.6" 09-14 GM Van 1500 3.73 Ratio w/ Active Brakes
All tubes are inspected to ensure they are straightened to OEM specifications.
All housings are tested for surface wear and cracks.
100% inspection of all internal parts, including Ring & Pinion’s, Internal Gears, Clutch’s & Carrier’s
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
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.
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
Axle Type: Semi 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 Fitment Notes 2009 Chevrolet Express 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2009 GMC Savana 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2010 Chevrolet Express 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2010 GMC Savana 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2011 Chevrolet Express 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2011 GMC Savana 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2012 Chevrolet Express 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2012 GMC Savana 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2013 Chevrolet Express 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2013 GMC Savana 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2014 Chevrolet Express 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2014 GMC Savana 1500 Ratio: 3.73; GM 10 Bolt 8.6 Inch Ring Gear, With Active Brake Control Option JL4, Ratio Option GT4, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts