Buy OEM 1991 Subaru Part # 10917AA060. Holder Oil Control Valve. Variable Valve Timing Control Solenoid A faulty variable valve timing control solenoid, or spool valve, can

HOLDER ASSEMBLY-OIL CONTROL VALVE Engine Timing CoverEngine Variable Valve Timing (VVT) Solenoid

Fits STI, WRX

Variable Valve Timing Control Solenoid
A faulty variable valve timing control solenoid, or spool valve, can result in a check engine light accompanied by engine hesitation and pinging under acceleration. If your 1991 Subaru needs attention, contact our service department.