Drivetrain Automatic Transmissions and Components

Merchant Automotive

Magnesium Rear Case Housing with Rear Output Seal 261XHD 263XHD 2001 - 2007

$366.04

SKU: M01D 25910

In Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Merchant Automotive 25910 Rear Transfer Case Housing & Output Seal will replace the cracked rear housing in your 2001-2007 GM 6.6L Duramax LB7/LLY/LBZ. This Merchant Auto NP261XHD/NP263XHD Transfer Case Housing is ideal if you need to replace the rear section of the transfer case on your GM Duramax diesel. This rear transfer case half is made of magnesium, which is superior to low-cost aluminum knockoffs, under OEM specifications. To avoid and fix cases that have been damaged by pump rub, this kit is a direct replacement and improvement over your factory housing. A driven sprocket support bearing and slip yoke bushing are already installed in this new NP261XHD/NP263XHD Transfer Case Housing.

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Specifications

BrandMerchant Automotive
Part NumberM01D 25910

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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