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  See more parts for Ford F-150
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Zumbrota Drivetrain Reman Complete Axle Assembly Ford F-150 2000-2003 9.75" 3.73 Ratio Rear Disc - RAA435-2021J

When it comes to getting your ride back on the road, Zumbrota Drivetrain Axle Assemblies are the real deal. These aren’t just any rebuilt axles; they’ve been crafted with precision and care that you can actually feel when you drive. Each assembly goes through a thorough inspection process to check for straightness, cracks, and wear on the surface. You wouldn’t want a wobbly axle, right?

Inside, every component is given the once-over. We’re talking ring and pinions, internal gears, clutches, and carriers—all tested to ensure they’re up to snuff. And yes, we replace all bearings and seals because who wants to deal with leaks later on? Gears are inspected for optimal tooth contact patterns, and we use inch-pound measurements to get the rolling torque just right. This means you’ll enjoy a smooth ride and long-lasting performance.

We also pay attention to the axle tubes. They’re inspected to make sure they meet OEM standards for straightness. It’s all about keeping things aligned and functioning as they should. Plus, our cleaning process is top-notch. We use a hydro-blast rinse and sandblasting to clean both the inside and outside of the parts, followed by a proprietary shot-enticed deep clean. This is how we bring everything back to that fresh OEM finish.

Features:
  • All tubes are checked to ensure they’re straightened to OEM specs.
  • Housings are rigorously tested for any surface wear or cracks.
  • Every internal part undergoes a 100% inspection, including ring & pinions, internal gears, clutches, and carriers.
  • We replace all bearings, seals, crush sleeves, pinion nuts, and shims—no shortcuts here.
  • Our cleaning process restores all housings to an OEM finish.
  • We set the correct rolling torque using precise inch-pound measurements for longevity.
Specifications:
  • Axle Type: Semi Floating
  • Cover Included: Yes
  • Fluid Included: No
Fitment:
  • Ford F-150 2001-2003

If you’re driving a Ford F-150 from 2001 to 2003, this is the axle assembly you need. Specifically, it’s the RAA435-2021J Zumbrota Reman Complete Axle Assembly, designed for the Ford 9.75” with a 3.73 ratio rear disc setup. Trust me, your truck deserves this upgrade.

The shipping fee quoted in the shopping cart includes transportation of the product to your location as well as the return of your core to the manufacturer. If you opt to send your core in advance, we offer a 50% refund on the shipping cost. However, please note that this option may prolong the overall process, so we generally advise against it.

Other Part Numbers:
Zumbrota Drivetrain #435-02021J

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2001-2003
 Ford F-150

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.

WARRANTY INFO

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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