Chevrolet, GMC Differential - Rear - Zumbrota Drivetrain - RAA435-1513AE-P

Rear Axle Assembly
RAA435-1513AE-P
Ratio: 3.42; GM 10 Bolt 8.5 Inch Ring Gear, 28 Spline Axles, Ratio Option GU6, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Reman Axle Assy for GM 8.5" 1988 GM 1500, 4WD, For 28 Spline Axles, 3.42 , Posi
8.5" AXLE ASSY, EARLY 1988 GM K1500 3.42, 4WD, POSI 28spl
8.5" AXLE Assembly 1988 GM 1500, 4WD , For 28 Spline Axles, 3.42 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.
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.
Reman Axle Assy GM 8.5" 1988 GM 1500, 4WD, 28 Spline, 3.42 Ratio, Posi
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: 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: 3.42
Grade Type: Regular

Detailed Fitment Results
Year Make Model Sub Model Body Type Drive Type Bed Length (in) Fitment Notes 1988 Chevrolet K1500 Cheyenne / Scottsdale / Silverado Ratio: 3.42; GM 10 Bolt 8.5 Inch Ring Gear, 28 Spline Axles, Ratio Option GU6, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 1988 GMC K1500 Sierra / Sierra SLE / Sierra SLX Ratio: 3.42; GM 10 Bolt 8.5 Inch Ring Gear, 28 Spline Axles, Ratio Option GU6, With G80 Posi Traction, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts