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  See more parts for Chevrolet C/K 3500
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Zumbrota Drivetrain RTC4470G-1 Transfer Case for GM K3500 1990-1991 with Rear Output Yoke - RTC4470G-1

If you're in the market for a remanufactured transfer case that won’t let you down, you might want to check out what Zumbrota Drivetrain has to offer. They’ve been in the game for a while, and they know their stuff. As vehicles get more complicated, they've stepped up their manufacturing processes to keep pace. That’s something you can count on when you’re looking for quality and reliability.

Now, let’s talk about the transfer cases themselves. Each unit goes through a rigorous remanufacturing process, ensuring that it meets strict specs. You can feel confident whether you’re installing it in your ride or reselling it. Here’s what makes these transfer cases stand out:

  • They’re inspected three times during the reman process—no cutting corners here.
  • A pre-inspection checks for cracks and wear that can cause headaches down the line.
  • During the reman, they ensure all parts meet OEM standards, so you know you’re getting a solid product.
  • Finally, there’s a post-build inspection to make sure everything is up to snuff.
  • Each case is hydro blasted and rinsed to bring it back to that OEM finish. Seriously, once you see it, you’ll get why it matters.
  • They replace seals, bearings, and viscous couplers where needed—basically, all the stuff that tends to wear out.
  • Your transfer case arrives in a high-density plastic tote, so it won’t get banged up during shipping.
  • And to top it off, you get a 2-year unlimited mileage warranty. That’s peace of mind right there.

Details:

  • Transfer Case Assembly: BW4470
  • 4-inch Bell Style Front Output Yoke
  • Bolt-On Rear Output Yoke
  • 2 Prong Indicator Switch
  • Includes PTO Opening
  • Tag Numbers: 15622875, 15659694, 15696736, 15965654
  • Hollander Numbers: 412-251, 412-277
  • Other Numbers: UMT123-2

Fitment:

  • 1990-1991 Chevrolet K3500 BW4470
  • 1990-1991 GMC K3500 BW4470

If you’re working with a 1990-1991 Chevrolet or GMC K3500, this BW4470 transfer case is a solid choice. It’s built tough and ready to take on whatever you throw at it. No gimmicks, just a quality product that’s been tested and proven. Give your truck the upgrade it deserves!

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
1990-1991
 Chevrolet C/K 3500
1990-1991
 GMC C/K 3500

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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