Chevrolet, GMC (4.3 - RWD) Differential - Rear - Zumbrota Drivetrain - RAA435-2312

Rear Axle Assembly
RAA435-2312
Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Zumbrota Drivetrain Axle 2014-2018 Sierra and Silverado w/ 3.23 Gear , Open Diff
8.6" AXLE ASSY '14-'18 GM SIERRA and SILVERADO 3.23
Zumbrota Axle Assembly for 2014-2018 General Motors Sierra and Silverado with 3.23 Gear Ratio
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
Zumbrota Axle Assy 2014-2018 Sierra/Silverado, 3.23 Ratio, Open Differential
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: 3.23

Detailed Fitment Results
Year Make Model Drive Type Fitment Notes 2014 Chevrolet Silverado 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2014 GMC Sierra 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2015 Chevrolet Silverado 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2015 GMC Sierra 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2016 Chevrolet Silverado 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2016 GMC Sierra 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2017 Chevrolet Silverado 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2017 GMC Sierra 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2018 Chevrolet Silverado 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2018 GMC Sierra 1500 RWD Ratio: 3.23; 8.6 Inch Ring Gear, 10 Bolt Cover, Ratio Option GU5, Without Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts