Description
Product Overview
The NV3500 Manual Transmission 3rd & 4th Synchro Assembly from USA Standard Gear is engineered for durability and exact fit. Constructed with machined steel components, it resists wear and maintains smooth gear synchronization. Dimensions are compact at 4 x 4 x 4 inches and it weighs only 3.5 pounds, making handling easy during installation. Designed specifically for Dodge and GM vehicles, this assembly matches the OEM specifications for seamless integration.
Usage
This synchro assembly is perfect for repair shops, fleet maintenance, and DIY owners restoring or upgrading their NV3500 transmissions. It performs reliably in daily driving, heavy-duty hauling, and off‑road conditions, providing consistent shift quality for both commercial and personal use. 
Why Choose Us
USA Standard Gear guarantees precision machining and rigorous quality testing, ensuring each unit meets strict automotive standards. Our parts are backed by a comprehensive warranty, reflecting confidence in material strength and fitment. Choosing this assembly means fewer breakdowns, reduced maintenance costs, and confidence in long‑term performance.
Key Features
- Machined steel construction for superior durability
- Exact OEM fit for Dodge and GM NV3500 models
- Improves 3rd and 4th gear synchronization
- Lightweight design simplifies installation
- Backed by USA Standard Gear quality warranty
FAQ
Is this assembly compatible with all NV3500 transmissions?
It is designed for NV3500 transmissions used in Dodge and GM vehicles. Verify your vehicle’s model year for exact compatibility.
Do I need special tools to install the synchro assembly?
Standard hand tools and a basic transmission jack are sufficient. A torque wrench is recommended for final bolt tightening.
What is the warranty period for this part?
USA Standard Gear offers a one‑year limited warranty covering manufacturing defects.
Can I install this part myself?
Yes, experienced DIYers can install it with proper tools and a service manual. Professional installation is advised for those unfamiliar with transmission work.
How does this assembly improve shifting performance?
The machined synchro rings provide smoother engagement, reducing gear clash and improving overall shift feel.





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