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30222600 Auto Parts Transmission Synchronizer Ring
The 30222600 Synchronizer Ring is a precision-engineered transmission component commonly utilized in the drivetrain systems of heavy-duty trucks and industrial vehicles. It is particularly associated with high-performance manual gearboxes, such as those found in Fast Gear transmissions, which are widely exported for use in commercial transport and construction machinery.
30222600 Auto Parts Transmission Synchronizer Ring
OE Number: 30222600
Related Model: 8009104550002 Transmission Parts Synchronizer Ring
Part Name: synchronizer ring
Product type: replacement
Purpose: aftermarket, repair, replace
Transmission Type: Manual / Synchromesh
Compatible Brands: Fast Gear, Foton, and various heavy-duty truck platforms
Position: Secondary shaft or Main shaft assembly (depending on gearbox model)
Maintenance and Replacement Indicators
- In the context of industrial and international trade, the 30222600 is considered a high-demand wear part. Indicators that replacement is necessary include:
- Synchronizer Clearance: When the gap between the ring and the gear (measured with a feeler gauge) falls below the manufacturer’s limit (typically 0.5mm – 0.8mm).
- Shifting “Bark”: A sharp metallic sound when shifting, indicating the friction lining has worn thin or “glazed.”
- Difficulty Downshifting: Especially noticeable when shifting from high range to low range in multi-speed truck transmissions.
The 30222600 synchronizer ring is a key wear part for industrial and commercial vehicle transmissions.
Worn rings cause small clearance below 0.5–0.8mm, loud gear grinding and harsh shifting noise.
Common symptoms include stiff downshifting, gear slippage and unstable speed synchronization.
Damaged synchronizer rings accelerate transmission wear and raise repair costs.
This premium 30222600 replacement meets OEM standards for perfect fit and heavy‑duty durability.
Regular inspection and timely replacement protect shafts and gearbox components.
It reduces fleet downtime, improves shifting smoothness and ensures long-term transmission reliability for commercial trucks.
