USA Standard Gear

NSG370 Manual Transmission 5th & 6th Gear Synchro Assembly

$465.72

SKU: ZMNSG370-19

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

Description

The USA Standard Gear NSG370 Manual Transmission 5th and 6th Gear Synchro Assembly is engineered to restore precise and reliable shifting performance in your vehicle's manual transmission. This assembly is a direct replacement designed specifically for the NSG370 transmission, improving the smoothness of gear engagement in 5th and 6th gear for a more enjoyable and responsive driving experience. Constructed from premium-grade steel, this synchro assembly offers durable and long-lasting quality, built to withstand heavy use. It meets or exceeds OEM standards, ensuring an exact fit and reliable operation. Rigorous testing confirms its efficiency and dependability. Installation is designed to be a straightforward bolt-on process, requiring light to moderate mechanical skill and taking approximately 3 hours. No drilling or modification is necessary, though careful attention to detail is important for proper alignment and functionality. This USA Standard Gear NSG370 Synchro Assembly is specifically designed to fit 2005-2018 Jeep Wrangler TJ and JK models. It comes with a limited warranty covering defects in material or workmanship under normal usage conditions.

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUSA Standard Gear
Part NumberZMNSG370-19
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy