Zumbrota Drivetrain

Remanufactured NP236 Transfer Case

$3,303.00

SKU: RTC236G-1

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Zumbrota Drivetrain RTC236G-1 is a professionally remanufactured NP236 transfer case designed specifically for 1999 GM S10, S15, and Sonoma trucks. This unit is built to exacting quality standards throughout the remanufacturing process, ensuring reliability and performance. All cases are meticulously cleaned using a state-of-the-art hydro blasting and rinsing process to restore them to an OEM finish. Key features of this NP236 transfer case include electric shift capability, a 27 spline input, and slip yoke style front and rear output shafts. Zumbrota Drivetrain performs a 100% replacement of seals, bearings, and other common wear components, guaranteeing a like-new unit. The transfer case is shipped in a high-density plastic tote to protect it from damage during transit. Technical specifications for this transfer case include its NV236 designation, electric shift functionality, and a 27 spline input. It utilizes slip yoke style output shafts for both the front and rear. Please note that the shift motor is not included with this transfer case. Compatible tag numbers include: 12572906, 12581025, 12585260, 15035132, 15048305, 24228421, 24231532, and 24231582. The Hollander Number is 412-470 and other numbers include UMT136-1. This transfer case is designed for 1999 GM S10, S15, and Sonoma models. It is recommended to confirm fitment with your specific vehicle configuration. A core charge of +$400 applies, which is refundable upon the return of your old, salvageable part.

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 NumberRTC236G-1
CategoryDrivetrain

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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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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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