Chevrolet, GMC (Drum) Differential - Rear - Zumbrota Drivetrain - RAA435-2258A-P

Rear Axle Assembly
RAA435-2258A-P
Ratio: 3.23; GM 10 Bolt 8.6 Inch Ring Gear, With Brake Option JF3 or JL7, With Active Brake Control Option JL4, Ratio Option GU5, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Reman Rear Axle Assy, GM 8.6", 07-08 Silverado/Sierra 1500, 3.23 Ratio, Posi
Remanufactured Rear Axle Assembly, GM 8.6", 2007-08 Silverado/Sierra 1500, with Active Brakes, 3.23 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.
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
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 Capacity: 2.15
Fluid Included: No
Gear Ratio: 3.23
Grade Type: Standard Replacement
Mounting Hardware Included: No
Pre-Filled Oil: No
Ring Gear Diameter: 8.6

Detailed Fitment Results
Year Make Model Sub Model Body Type Drive Type Bed Length (in) Fitment Notes 2007 Chevrolet Silverado 1500 Ratio: 3.23; GM 10 Bolt 8.6 Inch Ring Gear, With Brake Option JF3 or JL7, With Active Brake Control Option JL4, Ratio Option GU5, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2007 GMC Sierra 1500 SLE / SLT / WT Ratio: 3.23; GM 10 Bolt 8.6 Inch Ring Gear, With Brake Option JF3 or JL7, With Active Brake Control Option JL4, Ratio Option GU5, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2008 Chevrolet Silverado 1500 Ratio: 3.23; GM 10 Bolt 8.6 Inch Ring Gear, With Brake Option JF3 or JL7, With Active Brake Control Option JL4, Ratio Option GU5, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2008 GMC Sierra 1500 SLE / SLT / WT / SL Ratio: 3.23; GM 10 Bolt 8.6 Inch Ring Gear, With Brake Option JF3 or JL7, With Active Brake Control Option JL4, Ratio Option GU5, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts