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Zumbrota Reman Complete Axle Assembly - GM 11.5" GM Pickup 3500 3.73 Ratio DRW w/o Wide Track 2007-2010


Zumbrota Drivetrain

Model #RAA435-2263A

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Zumbrota Drivetrain has served a nationwide customer base for over 30 years. We offer a complete line of new, remanufactured, OE replacement and performance manual transmissions, Transfer cases, and differentials along with quality components for rebuilding and repair. We offer parts for a variety of makes and models of foreign and domestic passenger cars, SUV's and light duty trucks.

Any company can say they offer rear differentials. The difference is that we truly understand what it takes to provide a quality remanufactured rear differential assembly. For nearly 30 years rear differentials have been an integral part of our business. We don't cut corners, and we don't market gimmicks. Our product offering is second to none. From passenger vehicles to OHV, race cars, and even pulling trucks. We do them all.

Rear Differential Features:

  • All tubes are inspected to ensure they are straightened to OEM specifications
  • All housings are tested for surface wear and cracks
  • 100 percent inspection of all internal parts, including Ring and Pinions, Internal Gears, Clutches and Carriers
  • 100 percent 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 brings all cases back to the OEM finish. Once you've seen it, you'll understand what we mean
  • Gear patterns checked during reman process to ensure optimum tooth contact for increased life of gear set
  • Correct rolling torque established using inch pound measurements for precision setup and longevity
  • Correct backlash clearance is set to assure proper gear lubrication and noise reduction
  • Note: A refundable core charge will be added to the purchase of the product
  • Ratio: 3.73
  • Rear Differential
  • 11.5 Inch Ring Gear
  • AAM 11.5
  • Ratio Option GT4
  • Except Cab Chassis
  • Without Wide Track
  • With Brake Option JH7
  • Dual Rear Wheels
  • Without Posi Traction
Fits Vehicles:
  • 2007-2010 Chevrolet Silverado 3500 AAM 11.5
  • 2007-2010 GMC Sierra 3500 AAM 11.5

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Vehicle Engine Notes
Chevrolet Silverado 3500

GMC Sierra

In the world of remanufactured drivetrain components, there are a lot of companies to choose from, but one stands above the rest: Zumbrota Drivetrain. Located in Zumbrota, Minnesota, they offer some of the best and most affordable rebuilt drivetrain components. More specifically, they offer new, remanufactured, OE replacement, and performance manual transmissions, transfer cases, and differentials.

What separates them from other replacement drivetrain manufacturers is their dedicated staff of over 70 people, all of which have extensive drivetrain expertise. Their expertise and massive 60,000 square foot facility allow them to produce high-quality and affordable components for thousands of different automotive applications.

To put it simply, if you want the best replacement drivetrain components, Zumbrota is the best solution for you.


Standard Warranty - Standard 2 year/unlimited mileage warranty applies to all 3/4 ton and lighter applications.

No-fault Warranty - No-fault 3 year warranty is available as an optional upgrade to the standard warranty. Upgrade includes additional labor, towing, rental car, and freight charge coverage.

Limited Warranty - The 1 year/18,000 mileage warranty coverage includes commercial, farm vehicles, motorhomes and rental vehicle applications not eligible on the no-fault or standard warranty.

Standard and no-fault Warranty coverage does not extend to commercial, farm vehicles, motorhomes and rental vehicle applications.

Modified and or off-road applications are not covered by any warranty.

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