Zumbrota Drivetrain

NV4500 Mainshaft 25.5-Inch

$283.89

SKU: ZMNV25332

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

Description

The USA Standard Manual Transmission NV4500 Mainshaft is a direct replacement component engineered for Chrysler and GM 2WD vehicles utilizing the NV4500 manual transmission. This mainshaft is constructed to precise specifications, measuring 25.5 inches in length with a 1.506-inch inner diameter, ensuring proper fit and function within the transmission. Key features of this mainshaft include its compatibility with speedo gears that have internal splines absent, and it comes complete with a new nut for installation. The product is manufactured by USA Standard Gear, a trusted name in drivetrain components, and carries the proxy number 73459 for easy identification. This mainshaft is a critical part for maintaining the operational integrity of your NV4500 transmission. Its design and inclusion of essential hardware like the nut simplify the replacement process for mechanics and enthusiasts alike.

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 NumberZMNV25332
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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