Drivetrain› 4x4 Driveline Components

Zumbrota Drivetrain

NP273 Remanufactured Transfer Case

$2,047.39

SKU: RTC273D-5

Out of Stock
Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Zumbrota Drivetrain NP273 Transfer Case is a remanufactured unit designed for 2007-2012 Dodge Ram 2500, 3500, 4500, and 5500 models. This transfer case is compatible with vehicles equipped with manual transmissions or the 6.7L diesel engine and an automatic transmission. It features a bolt-on rear output yoke and a splined shift shaft.
Show original supplier description
The Zumbrota Drivetrain NP273 Transfer Case (RTC273D-5) is a remanufactured unit built to OE-specific standards for reliable, long-term performance in demanding applications. This electric shift transfer case is designed for 2007-2012 Dodge Ram 2500, 3500, 4500, and 5500 models. It is specifically designed for vehicles equipped with manual transmissions or the 6.7L diesel engine paired with an automatic transmission. Key features include a bolt-on rear output yoke with 34 spline count and a splined shift shaft. The input shaft has 29 splines and measures 1.55 inches in exposed length. Please note that the shift motor is not included with this unit. This remanufactured transfer case meets or exceeds original equipment standards, ensuring quality inspection throughout the rebuilding process. This particular model is identified by tag numbers 52123018AA and 52123156AA, with Hollander numbers 412-621 and 412-622 also associated.

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

BrandZumbrota Drivetrain
Part NumberRTC273D-5
CategoryDrivetrain
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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.

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