Rocker Lever Cover Gasket Cummins 3066311 | 306631100, 1307293H1, 11084200

Reliable Valvetrain Protection for Cummins Engines

The Rocker Lever Cover Gasket 3066311 is engineered to provide a dependable, leak-proof seal between the rocker housing and the valve cover. Designed specifically for heavy-duty Cummins N14 and NT855 engines, this gasket prevents engine oil from escaping, protecting your valvetrain components from external contaminants and maintaining optimal lubrication pressure.

Key Features & Benefits

• Precise Fitment: Molded to exact specifications for a seamless fit on Cummins N14 and NT855 series engines.
• Durable Construction: Features a robust plastic carrier with a high-grade silicone sealing bead to withstand extreme thermal expansion and vibration.
• Leak Prevention: Effectively seals out dust and moisture while keeping engine oil securely contained within the rocker housing.
• Easy Installation: Designed for direct replacement, reducing downtime during top-end engine maintenance or valve adjustments.

Application & Compatibility

This rocker cover gasket is compatible with the following heavy-duty diesel engines:

• Cummins N14 (including Non-Certified 14-liter automotive engines)
• Cummins NT855 / NH