Synchronizer Ring

Key Features:

• Precision-machined conical surfaces with friction material.

• Integrated blocking teeth that prevent premature engagement.

• Engineered grooves to maintain optimal oil film thickness.

Primary Functions:

• Speed matching between gears and shafts.
  

• Reducing shift effort and gear clash.
  

• Protecting gear teeth from impact damage.

Common Failure Modes:

• Worn friction surfaces causing grinding noises.
  

• Broken blocking teeth leading to popping out of gear.
  

• Heat checking from aggressive shifting.

Modern synchronizers use advanced composite materials and laser-etched surface patterns for improved durability. Performance versions feature multi-cone designs (double/triple cones) for high-torque applications. Proper transmission fluid maintenance significantly extends synchronizer service life.

Specification of Synchronizer Ring

#	Part No.	Decription	Photo	#	Part No.	Decription	Photo
1	694 262 0023	sliding sleeve		2	970 262 2435	synchronizer hub
3	970 262 3837	synchronizer ring		4	970 262 3437	synchronizer ring
5	694 262 0234	ring gear		6	694 262 0334	ring gear
7	694 262 0123	sliding sleeve		8	694 262 0335	synchronizer hub
9	970 262 3937	synchronizer ring		10	970 262 3537	synchronizer ring
11	970 262 2434	ring gear		12	970 262 2534	ring gear