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  See more parts for Chevrolet Astro
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Zumbrota Drivetrain Reman Complete Axle Assembly 7.5" Ring Gear 3.73 Ratio Chevrolet Astro GMC Safari 2003 - RAA435-2148B

If you're in the market for a solid axle assembly, let me tell you about the Zumbrota Drivetrain Axle Assemblies. These aren't just your run-of-the-mill rebuilds; they’re crafted with a level of precision that makes a difference you can feel. Each assembly goes through a rigorous inspection process to catch any straightness issues, cracks, or surface wear. It’s like giving your axle a full check-up before it hits the road again.

What’s cool is that every internal component is thoroughly vetted too. We’re talking about the ring and pinions, internal gears, clutches, and carriers—all of it gets a 100% inspection. Plus, all the bearings and seals are swapped out for fresh ones. This ensures you’re not just getting a new look; you’re getting a reliable part that’s ready to perform.

Now, let’s dive into the nitty-gritty. The gears are meticulously checked for optimal tooth contact patterns, which is essential for smooth operation. They even use inch-pound measurements to set the rolling torque just right, so you can count on longevity and quiet performance. And don’t worry about the axle tubes; they’re inspected to meet OEM standards for straightness, so you know you’re getting something that fits just right.

One of the standout features is their unique hydro-blast rinse and sandblasting process. This isn’t just for show; it brings all cases back to an OEM finish, making sure everything looks as good as it performs. And when you’re talking about axle assemblies, that’s a big deal.

  • Every tube is checked to ensure it meets OEM straightness specs.
  • Housings are put through tests for any surface wear or cracks.
  • All internal parts are inspected—no corners cut here.
  • Every bearing, seal, crush sleeve, pinion nut, and shim is replaced.
  • They clean the housings using a state-of-the-art hydro blasting process for that fresh finish.
  • Rolling torque is set with precision for durability and smooth operation.

Specifications:

  • Axle Type: Semi Floating
  • Cover Included: Yes
  • Fluid Included: No

Fitment:

  • Chevrolet Astro Base 2003
  • Chevrolet Astro LS 2003
  • Chevrolet Astro LT 2003
  • GMC Safari Base 2003
  • GMC Safari SLE 2003
  • GMC Safari SLT 2003

If you’ve got a 2003 Chevrolet Astro or GMC Safari, this Zumbrota Reman Complete Axle Assembly with a 7.5" ring gear and a 3.73 ratio is a solid choice. It’s built for reliability, and you can feel good knowing it’s been thoroughly checked and rebuilt to last.

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 #435-02148B

Proposition 65

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

Vehicle
2003
 Chevrolet Astro
2003
 GMC Safari

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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