Description
Product Overview
The USA Standard Gear transmission bearing kit is built for 1988 and newer Geo Metro 5‑speed manual transmissions. Housed in a robust machined aluminum case, the kit includes an 8‑bolt black tin cover for the 5th gear, a main case cast to match part numbers 3761930 or 3813389, and precision‑engineered bearings that work with synchros. Weighing 3.5 lb and measuring 11 × 13 × 3 in, it offers a compact yet sturdy solution for restoring smooth gear shifts.
![[Product front view showing all components]](https://www.zephyrgo.store/wp-content/uploads/2026/06/c6f96d22516746aca9e79783a3754636.jpg)
Usage
Designed for both DIY garage projects and professional shop repairs, this kit fits directly into the existing transmission housing of a Geo Metro. Ideal for owners looking to replace worn bearings, improve shift quality, or restore a transmission after disassembly. The aluminum case resists corrosion, making it suitable for a range of climates and driving conditions.
Why Choose Us
USA Standard Gear is a trusted American manufacturer known for precision engineering and rigorous quality control. Each bearing kit undergoes thorough testing to meet OEM specifications, ensuring a perfect fit and reliable performance. Our commitment to customer satisfaction includes a responsive support team ready to assist with installation guidance.
Key Features
- Aluminum case provides lightweight strength and corrosion resistance
- Includes 8‑bolt black tin cover for enhanced 5th‑gear protection
- Machined exterior ensures precise fit with OEM transmission housing
- Compatible with synchro systems for smoother gear changes
- Dedicated customer support and easy‑return policy for peace of mind
FAQ
Does this kit fit Geo Metro models before 1988?
No, the kit is specifically engineered for 1988 and newer Geo Metro 5‑speed manual transmissions.
Do I need additional tools to install the kit?
Standard hand tools and a basic torque wrench are sufficient; no specialized equipment is required.
Is the aluminum case compatible with the original transmission housing?
Yes, the case is machined to match the original dimensions and mounting points for a seamless replacement.
Can this kit be used on other vehicle makes?
The kit is designed for Geo Metro only; using it on other models may result in improper fit and performance issues.
What warranty does USA Standard Gear provide?
All kits come with a one‑year limited warranty covering manufacturing defects.






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