LF0114143A Mazda SPROCKET,DRIVEN, Price: 25.73$, Weight: 0.174kg

Engine Timing Driven Sprocket for Mazda — Smooth Valve Control ⚙️

This camshaft driven gear keeps your Mazda’s valve timing exact, so the engine breathes right, idles smooth, and pulls strong. Built from hardened steel with precise tooth geometry, it’s designed for long life and stable timing under heat and load.

Why this part is needed ✅

It synchronizes the camshaft with the crankshaft through the timing chain. Proper timing improves fuel economy, reduces emissions, and protects the engine at high RPM. A fresh gear restores quiet, accurate timing after wear.

How it works ?

The sprocket bolts to the camshaft. Its teeth mesh with the chain, holding the cam phase angle so intake and exhaust valves open at the correct moments. Oil lubrication and exact machining prevent drift and chain slap.

What happens if it fails ⚠️

Early signs: cold-start rattle, rough idle, misfire, loss of power, metal shavings in oil, and a check engine light. Severe wear or broken teeth can make the chain jump, causing no-start, bent valves, or piston damage.

Fitment & install notes ?️

Direct-fit to OE specs. Always inspect chain, guides, and tensioner; replace if worn. Align timing marks and torque to spec for a quiet, leak-free job.

Compatibility

• Axela
• Premacy
• Atenza Sedan/Sport
• Atenza Sport Wagon
• Mpv
• Bongo
• Roadster
• 3
• Miata
• 5
• Tribute
• 6
• 6 Wagon
• Mx-5
• Mx-5 Miata