Zumbrota Drivetrain

Spartan Locker Dana 44HD 30 Spline

$754.89

SKU: SL D44HD-30

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

Description

The Zumbrota Drivetrain Spartan Locker, also identified by the part number SL D44HD-30, is a mechanical differential locker engineered to provide reliable 100% lockup traction for Dana 44HD axles featuring 30 spline shafts. Constructed from robust 9310 steel, this locker is built for added strength and longevity. The innovative design incorporates a spring and pin system that simplifies installation, eliminating the need for thrust washers and making it a user-friendly upgrade. This locker is specifically designed for Dana Spicer 44HD differentials with 30 spline axles. Its lunchbox style allows for a cost-effective solution for enhancing off-road capability.

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 NumberSL D44HD-30
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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