Volvo Synchronizer Ring 8171737 for AT ATO VT VTO Transmission Systems

Gear Synchronization Ring for Volvo I Shift and Manual Gearbox Platforms

This synchronizer ring is used in Volvo truck transmissions to regulate gear-speed alignment during shifting. It plays a critical role in reducing friction and ensuring smooth engagement across both automated and manual gearbox platforms.

OEM reference 8171737 is widely applied in AT, ATO (I-Shift), and VT/VTO transmission systems, and is commonly replaced during synchronizer wear repair or full gearbox overhaul.

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Cross Reference and Compatibility

Technical Function

• Balances rotational speed between gears during shifting
• Reduces gear clash and transmission wear
• Supports smooth engagement in synchronizer assemblies
• Maintains stable performance under heavy load conditions

Applications

• Volvo I-Shift transmission repair and maintenance
• Manual gearbox synchronizer system replacement
• Fleet maintenance in long-haul and logistics operations
• Heavy-duty truck transmission overhaul workshops

Specifications