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Drivetrain› 4x4 Driveline Components

USA Standard Gear

Transfer Case

Name: Transfer Case
Brand: USA Standard Gear
SKU: ZTNP25904

$77.89

SKU: ZTNP25904

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The USA Standard Gear ZTNP25904 is a transfer case oil pump designed for NP261XHD and NP263XHD models. They offer a large inventory of OEM and aftermarket parts, backed by expert technical support and in-house quality assurance testing. This oil pump is a 49-spline component.

Show original supplier description

USA Standard Gear offers a comprehensive selection of small parts for transfer cases, catering to both minor repairs and full overhauls. The company's commitment to quality is backed by in-house testing and extensive industry expertise, ensuring you receive a reliable component. This specific oil pump housing is designed for the NP261XHD and NP263XHD transfer cases and features a 49 spline count. It is a new part, manufactured by USA Standard Gear to exacting standards. The housing is crucial for ensuring proper lubrication within the transfer case, contributing to its longevity and performance. This part is compatible with a wide range of Chevrolet Silverado and GMC Sierra models from 1999 through 2007, including various HD and Classic configurations. Refer to the detailed fitment list to confirm compatibility with your specific vehicle. This product is California Proposition 65 compliant.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	USA Standard Gear
Part Number	ZTNP25904
Category	Drivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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