Zumbrota Drivetrain

AAM 11.5" Axle Assembly 4.10 Posi Traction

$3,205.89

SKU: RAA435-129B

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Zumbrota Drivetrain AAM 11.5" Axle Assembly is a meticulously remanufactured unit engineered for specific 2007-2008 Dodge Ram 3500 Single Rear Wheel (SRW) Cab Chassis applications. This assembly boasts a 4.10 gear ratio and Posi Traction, designed to deliver enhanced durability and improved performance for your heavy-duty truck. During the remanufacturing process, Zumbrota Drivetrain ensures the highest quality standards. All axle tubes are inspected and straightened to meet OEM specifications, and housings are thoroughly tested for surface wear and cracks. Internally, every component, including ring and pinion gears, internal gears, clutches, and carriers, undergoes a 100% inspection. To guarantee optimal function and longevity, all bearings, seals, crush sleeves, pinion nuts, and shims are replaced. The housings are then cleaned using a state-of-the-art hydro blasting and rinsing process, restoring them to an OEM finish, and correct rolling torque is established for precision setup. It is compatible with both 2WD and 4WD configurations for the specified model years. Please note that this assembly does not include hubs, brakes, backing plates, or axle shafts.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandZumbrota Drivetrain
Part NumberRAA435-129B
CategoryDrivetrain

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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