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Bulldog Tough

NP263XHD Transfer Case- NP1 Fits 01-07 GM Trucks with 6.6L & 8.1L and Allison Transmission- Bulldog Tough OEM Quality Replacement Unit Built in the USA by The Gear Shop

  • Based on 112 reviews
Condition: New
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30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by The Gear Shop Inc
Arrives Sep 17 – Sep 18
Order within 20 hours and 15 minutes
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Features

  • NP263XHD OEM Quality Replacement Transfer Case
  • Remanufactured Bulldog Tough by The Gear Shop in the USA!!
  • Comes with New Heavy Duty Rear Case!!
  • 18 Month Unlimited Mileage Parts Only Coverage Against Manufacturer Defects
  • Fits 2001-2007 GM Trucks 6.6L & 8.1L with RPO Code NP1 and Allison Transmission

Description

NP263XHD OEM Quality Transfer Case. Remanufactured Bulldog Tough by The Gear Shop! This is the NP1 unit that fits GM trucks 01-07 with 6.6 & 8.1L and Allison transmission. This unit comes with new upgraded, heavy duty aluminum rear case to eliminate the common "pump rub" issue. This unit has been remanufactured by The Gear Shop in the USA to exceed OEM standards. This product is covered against manufacturer defects for 18 months. This transfer case is being sold on an exchange basis. Product protection coverage does NOT begin until we have received your old transfer case as the core exchange. The Gear Shop pays for the core return with a supplied label to use. We are available to answer any questions about the core return process that you may have.

Manufacturer: ‎The Gear Shop


Brand: ‎Bulldog Tough


Item Weight: ‎88 pounds


Package Dimensions: ‎32 x 29 x 16 inches


Manufacturer Part Number: ‎263XHD


Date First Available: February 28, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 17 – Sep 18

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Good value, quality, and customer support.
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
The rear half of my old case wore an external hole in it. Installed easily and customer support answered any questions I had. Very much appreciated the included gasket and prepaid shipping label for the core return. The unit has been working perfectly since installed.
Reviewed in the United States on July 27, 2025 by Amazon Customer Amazon Customer
    • Great quality transfer case
Great product for the price I've had it installed for close to a month now with zero issues sure glad to have my 4x4 again
Reviewed in the United States on May 23, 2025 by Scott Sonnenberg
    • Good quality built case!
My tcase was trashed, figured I’d give them a shot since they have good reviews and don’t charge core up front. Have been running the tcase for a bit now no issues whatsoever. I’d recommend this to anyone looking to replace your tcase. Will update again if anything changes! Update: Almost 4 months later still working perfect no leaks or anything! ... show more
Reviewed in the United States on September 27, 2023 by Brandon M
    • Product worked as it should.
The entire process from order to delivery went well. The grand darling was able to put the part in his truck and drive away! Woo HOOO
Reviewed in the United States on September 5, 2024 by Teri James
    • Great Transfer case, but buy the breather elbow just in case.
Plastic breather elbow was broken off when I opened the case, couldn't find it anywhere in the case either to glue it back together. Other than that good case.
Reviewed in the United States on March 25, 2022 by Joseph B
    • Customer service was amazing!!!
Great product, great price. The communication to ensure the proper transfer case was sent was phenomenal. So far the transfer case has done its job. Thanks to their note to check your driveshaft yoke probably saved me from having a leak and another bad transfer case.
Reviewed in the United States on November 10, 2023 by Matthew O
    • Worth it
Works like a charm worth every bit of money pain job could have been better though was just flaking off, but other than that, everything went smooth and was perfect
Reviewed in the United States on March 14, 2025 by John u.
    • Quick delivery
Got here Quick !!! Seems like a solid unit. Great customer service. I noticed a leak with my old transfer case Sunday morning" Duramax pump rub" . I did a little googling and it led me to this company. Crossed my fingers and ordered it Sunday night. The new transfer case was in my driveway when i got home from work Wednesday ( obviously shipping is different for each situation ) Im in NC . swapped it in my garage and I've put almost 1,000 miles on this unit. So far no complaints. checked on it several times. No leaks, no noise, shifts in and out of 4wd no problems. Very satisfied with this company. And For the money spent vs a rebuild, and down time, and ect. This, in my opinion was the way to go. Thanks guys ... show more
Reviewed in the United States on September 27, 2022 by Andrew Cummings

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