130211CA0A Nissan SPROCKET-CRANKSHAFT, Price: 32.65$, Weight: 0.09kg

Crankshaft Timing Sprocket for Nissan Engines ⚙️

This precision-machined timing gear sits on the crankshaft nose and is a key driver of the engine’s timing system. It is needed to keep the valve timing accurate, so the pistons and valves move in perfect sync during every revolution. Without a healthy sprocket, even a good timing chain or belt cannot do its job correctly.

How It Works ?

The sprocket teeth engage the timing chain (or belt, depending on the setup) and transfer crankshaft rotation to the camshaft system. Its exact tooth profile and alignment help maintain correct timing marks, stable chain tracking, and smooth power delivery across the RPM range.

What Happens If It’s Worn or Broken ?

Common failure signs include rattling at startup, timing drift, rough idle, misfires, poor acceleration, and a check engine light. If the teeth wear down or the fit becomes loose, the chain can jump timing. On many Nissan engines, this can lead to severe internal damage like bent valves, low compression, or a no-start condition.

Best Practice ?️

When replacing, inspect the chain, guides, and tensioner, and confirm timing alignment during installation for long-lasting, quiet operation.