Camshaft Timing Gear (VVT-i Actuator) for Toyota Engines ⚙️

Keep your engine crisp, quiet, and efficient. This camshaft timing gear controls variable valve timing (VVT-i),syncing the camshaft to the crank for smooth power, better fuel economy, and lower emissions. It’s a high-precision, oil-controlled unit designed to deliver fast phasing with factory-level durability .

Why you need it

Worn or stuck phasers cause lazy throttle response, rough idle, and higher fuel use. A healthy unit restores correct valve timing, cold-start refinement, and stable idle.

How it works

The ECU commands an oil control valve to feed oil into the actuator’s chambers. A vane rotor turns the cam relative to the sprocket, advancing or retarding timing. A start-up lock pin holds base timing for clean starts. Hardened teeth drive the timing chain, and internal seals keep oil pressure stable .

What if it fails

Symptoms include rattle on cold start, Check Engine light (e.g., VVT range/performance),poor acceleration, stalling, and hard starts. Long-term neglect can cause timing errors, misfires, catalyst damage, and on some engines, risk of internal damage ❗.

Pro fitting tips ️

Pre-fill with clean oil, align timing marks, replace seals/center bolt if specified, torque to spec, and change oil/filter with correct viscosity to protect the actuator.

Compatibility

• Auris
• Auris/Corolla Hb
• Avensis
• C-Hr
• Corolla
• Corolla Axio/Fielder
• Corolla Cross
• Corolla Rumion
• Corolla Sed
• Corolla Sport
• Corolla/Altis
• Corolla/Touring
• Harrier/Hybrid
• Isis
• Noah/Voxy
• Noah/Voxy/Esquire
• Premio/Allion
• Prius
• Prius Phv
• Prius Prime(Phv)
• Rav4
• Scion Im/Im
• Sienta
• Verso
• Wish