Reliable valve/rocker cover seal for Nissan engines

This top cover gasket seals the joint between the cam cover and cylinder head. It keeps engine oil inside the head, protects the spark plug tubes, and blocks dust from entering. A healthy seal prevents oil smell, keeps the PCV system stable, and helps your engine bay stay clean and safe ️.

Why you need it

With age and heat, the gasket hardens and shrinks. That leads to leaks on the head and exhaust manifold, oil in plug wells, and messy engine bays. Replacing it restores a tight seal and stops wasteful oil loss.

How it works

A molded, heat‑resistant rubber profile compresses evenly around the cover perimeter and bolt areas. When torqued to spec, it forms an oil‑tight barrier that withstands vibration, thermal expansion, and crankcase vapors.

What happens if it’s broken ⚠️

• Oil seepage and burning smell or smoke ️
• Misfire from oil in spark plug tubes
• Low oil level and noisy valvetrain
• Risk of oil drips onto hot parts

Tech tip for installation ✅

Clean mating surfaces, replace tube seals and grommets, apply a tiny RTV dab at cam cap corners, and torque bolts evenly in sequence. Do not over‑tighten.

Compatibility

• California Wingroad
• Almera
• Sunny
• 100Nx
• Ad Wagon
• Tsuru
• Sunny/Sentra
• Ad
• Primera
• Primera Wagon
• Sunny Wagon
• Avenir
• Sunny/Nx Coupe
• Sentra
• Ad Resort
• Pulsar
• Presea
• Bluebird
• Vanette Serena