Nissan valve/rocker cover sealing gasket ️

Keep your Nissan engine tidy and reliable with a fresh valve cover gasket. This seal sits between the rocker cover and the cylinder head, locking in oil around the cam area and spark plug wells. A proper seal prevents leaks, protects ignition coils and plugs from oil contamination, reduces burning oil smells, and helps maintain stable oil pressure for long engine life .

How it works

Built from heat‑resistant elastomer, the gasket compresses under the cover rail. Molded ribs track the head groove to create an elastic barrier that moves with thermal expansion . When bolts are torqued evenly, the material rebounds through countless heat cycles, keeping the joint sealed.

Why you need it

Over time, heat and oil harden the seal. Replacing it restores leak‑free operation, prevents oil in plug tubes, and keeps belts, hoses, and sensors clean. It’s a low‑cost fix that avoids bigger repairs.

If the gasket fails

Expect wet edges on the cover, oil drips on the exhaust causing smoke, dust sticking to oily areas, misfires from oil‑soaked coils, rough idle, and increased oil use ⚠️. Long neglect can damage O2 sensors, swell rubber parts, and even foul the alternator.

Installer tips

Clean both surfaces, use tiny RTV dabs only at timing cover joints, renew grommets, and torque bolts in sequence to spec ️. Recheck for weeps after the first heat cycle.

Compatibility

• Caravan
• Primera
• Atlas
• Nv350 Urvan
• X-Trail
• Urvan
• Presage
• Teana
• Wingroad/Ad Van
• Serena
• Nv350 Caravan
• Murano
• Prairie/Liberty