Drivetrain› Manual Transmissions and Components

USA Standard Gear

Manual Transmission Synchronizer Assembly

$134.89

SKU: ZMNIS-2.5

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Overview

The USA Standard Gear ZMNIS-2.5 is a manual transmission synchronizer assembly designed for the 3rd and 4th gears. This part is compatible with 1993 and newer Nissan vehicles.

Technicians are available for support during or after installation.
Show original supplier description
The USA Standard Gear ZMNIS-2.5 is a 3rd and 4th gear synchro assembly specifically designed for manual transmission applications. This component ensures smooth and reliable shifting in the specified gears. Manufactured by USA Standard Gear, a company known for its comprehensive range of transmission and differential parts, this synchro assembly is built to meet the needs of the aftermarket. It is intended for use in 1993 and newer Nissan models equipped with manual transmissions. The assembly provides a direct replacement for worn or damaged synchronizers, restoring proper gear engagement and performance. USA Standard Gear offers technical support for customers who may have questions about selecting the correct part or encounter issues during installation. Their technicians can be reached via phone at 1-866-748-0902 during business hours. The part comes with a 24-month warranty.

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.

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Specifications

BrandUSA Standard Gear
Part NumberZMNIS-2.5
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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