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  See more parts for Buick Rainier
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Zumbrota Drivetrain RTC226G-1 NP226 Transfer Case for Chevrolet Trailblazer, GMC Envoy 2002-2009 - RTC226G-1

When it comes to getting your 4WD or AWD vehicle back on the road, you want something that’s not just reliable but built to last. That’s where the Zumbrota transfer case comes in. With a solid 2-year, unlimited mileage warranty, you can hit the trails or the highway with confidence, knowing you’ve got a piece of gear that’s been rebuilt to top-notch standards.

These transfer cases aren’t just slapped together. Each one is carefully restored by skilled craftsmen who have a whopping 150 years of combined experience. They take the time to inspect and test every unit for issues like cracks, warped shafts, and worn gears. It’s all about attention to detail. You can trust that when you get a Zumbrota, you’re getting something that’s been through the wringer and comes out ready to perform.

Every unit is fully rebuilt, which means all the bearings, seals, and viscous couplers (where applicable) are replaced. Zumbrota uses a unique hydro-blast rinse and sandblasting procedure to clean both the internal and external parts, getting them back to that OEM finish you expect. After that, they go through a proprietary deep cleaning process that makes sure everything is spotless. And before they ship out, each transfer case is spin tested to ensure it shifts smoothly and operates quietly.

Shipping is another area where Zumbrota shines. These transfer cases come packed in high-density plastic totes, so you don’t have to worry about damage during transit. It’s just one less thing to think about when you’re waiting for your new gear to arrive.

Here’s a quick rundown of what makes these transfer cases stand out:

  • Quality inspected throughout the remanufacturing process—no cutting corners here.
  • State-of-the-art cleaning process that restores cases to a like-new condition.
  • 100% replacement of all seals, bearings, and common wear components.
  • Shipped in durable totes to minimize any shipping damage.

Fitment is spot-on for:

  • Isuzu Ascender 4WD (2003-2008)
  • Buick Rainier AWD (2004-2007)
  • Chevrolet Trailblazer 4WD (2002-2008)
  • GMC Envoy 4WD (2002-2008)

So if you’re looking for a reliable transfer case that’s been rebuilt with care and precision, the Zumbrota NP226 is a solid choice. Whether you’re tackling tough terrain or just cruising around town, you’ll appreciate the quality and performance that comes with it.

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.

Proposition 65

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

Vehicle
2004-2007
 Buick Rainier
2002-2009
 Chevrolet TrailBlazer
2002-2009
 GMC Envoy
2003-2008
 Isuzu Ascender
2004
 Oldsmobile Bravada
2005-2009
 Saab 9-7x

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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