Search result for: 12342AA171
FLYWHEEL AY-FLEX
Part number: 12342AA171
Availability: 1
Weight, kg: 12.931
Order now:
Make: Subaru
Made in: Japan

FLYWHEEL AY-FLEX
Part number: 12342AA171
Availability: 12
Weight, kg: 12.931
Processing: 2-3 days
Make: Subaru
Made in: Japan

Substitutions
FLYWHEEL AY-FLEX
Part number: 12342AA170
Availability: 0
Weight, kg: 12.931
Make: Subaru
Made in: Japan

Flexible Flywheel Assembly for Smooth Power Transfer โ๏ธ
This flexible flywheel assembly is a key drivetrain part that links the engine crankshaft to the torque converter or clutch system. Its job is to carry rotating energy, keep engine speed steady between firing pulses, and reduce vibration that can travel into the gearbox and cabin. A well-balanced unit helps deliver smoother takeoff, cleaner shifting, and quieter operation.
Why This Part Is Needed โ
Modern engines create torsional vibration. The flywheelโs flex design absorbs small twist shocks and supports consistent rotation, protecting the starter ring gear engagement and improving drivability during idle and low-speed load changes.
How It Works ?
Bolted to the crankshaft, it spins with the engine and provides inertia. The flex section allows controlled movement while keeping alignment for the converter/clutch mounting points, helping prevent harsh vibration and stress on the transmission input side.
What Happens If Itโs Broken โ
A cracked or warped unit can cause rattling, vibration on acceleration, starter grinding, misalignment, and even damage to the converter/clutch and front transmission seal. In severe cases the vehicle may struggle to start or lose drive engagement.
Compatible Models ?
- Lexus LX470
