Exhaust Valve Guide for Nissan Engines ?

This exhaust valve guide is a small but critical engine component fitted in the cylinder head. It keeps the exhaust valve moving in a straight line while the engine is running at high temperature and speed. A good guide helps maintain compression, stable valve timing, smooth idle, and clean exhaust gas flow.

Why This Part Is Needed ✅

The exhaust valve works in extreme heat. The guide supports the valve stem, reduces side movement, and helps transfer heat from the valve into the cylinder head. Without proper guidance, the valve cannot seal correctly, causing loss of power and poor engine efficiency.

How It Works ⚙️

As the camshaft opens and closes the exhaust valve, the valve stem slides inside the guide. The guide controls clearance, keeps oil use under control, and allows the valve to return accurately to its seat after every cycle.

Signs of a Worn or Broken Guide ⚠️

• Blue smoke from exhaust
• High oil consumption
• Rough idle or misfire
• Low compression
• Valve noise from cylinder head

Compatible Models ?

• King Cab
• Np300
• Caravan/Homy Van
• Caravan
• Truck
• Urvan
• Frontier
• Altima
• Largo
• 240Sx
• Nissan Truck Zn
• Atlas
• Stanza Altima
• Xterra
• Datsun Truck
• Basara
• Presage
• R`nessa
• Bluebird
• Np300 F/Sbs,Med
• Desert Thunder