Valve Covers
Exhaust Valve
Modulator Valve
Intake Valve
Valve Stem
Modulator Valve
PCV Valve
Expansion Valve
Exhaust Valve
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Nissan Valve Covers - Genuine OEM Parts
The vast inventory of genuine OEM parts here at Sullivan Brothers Nissan includes all the components you need to keep your vehicle running great. Valve covers protect your engine's valve train components while sealing the cylinder head to prevent oil leaks and environmental contamination. These precision-molded housings also serve as mounting platforms for ignition coils, sensors, and ventilation systems that regulate engine performance and emissions control. Modern valve covers incorporate advanced materials and integrated designs that withstand extreme operating temperatures while maintaining precise sealing for extended service intervals.
What Valve Covers Do for Your Engine
Valve covers create an airtight seal over the cylinder head using specialized gaskets that prevent oil loss while allowing proper crankcase ventilation. The cover houses critical components including direct ignition coils, camshaft position sensors, and PCV system connections that monitor and control engine operation. Your Versa features lightweight valve covers designed for efficiency and reduced maintenance requirements in compact vehicle applications. Internal baffles prevent oil splash from interfering with valve operation during aggressive driving conditions or high-performance operation. The ventilation system removes combustion gases and maintains proper pressure balance within the engine crankcase.
Recognizing Valve Cover Service Needs
Valve covers typically develop problems when gaskets lose elasticity from repeated heating and cooling cycles over extended service periods. Oil seepage around gasket surfaces indicates seal deterioration, while cracks or warping in the cover itself requires complete component replacement. Most valve cover systems need attention between 90,000 and 120,000 miles under normal operating conditions and maintenance practices. Frontier owners should monitor for oil burning odors, visible leakage patterns around the cylinder head area, or oil contamination of ignition components. Warped covers from overheating cannot maintain proper sealing even with new exhaust gaskets, making complete replacement necessary.
Benefits of Genuine Nissan Valve Covers
Genuine Nissan valve covers feature exact sensor provisions, mounting points, and ventilation passages engineered specifically for your engine application and configuration. The advanced materials resist warping and cracking while providing superior heat dissipation compared to aftermarket alternatives available in the market. Original equipment covers include all necessary seals, hardware, and gaskets for proper installation without modifications or compatibility issues. Generic covers may lack proper sensor accommodations or ventilation features, causing performance problems and diagnostic trouble codes. Our genuine parts ensure perfect integration with existing engine management systems and wiring harnesses for reliable operation.
Get out of the garage and back on the road in no time with genuine OEM parts from Sullivan Brothers Nissan.