CUMMINS 3959031 VALVE COVER GASKET – OEM REPLACEMENT FOR 2003–2007 5.9L CR

Keep your **2003–2007 5.9L Common Rail Cummins** running leak-free with the genuine **Cummins 3959031 Valve Cover Gasket**. This OEM replacement ensures a precise, oil-tight seal between the valve cover and cylinder head—critical for engine health and performance.

Why It Matters

• OEM Fit & Quality: Manufactured by Cummins to meet exact factory specifications for fit and sealing performance.
• Long-Term Reliability: Rubberized design resists heat, oil, and vibration—ideal for demanding diesel applications.
• Direct Fit: Simple swap-in installation. Perfect for routine maintenance or rebuilds.

Frequently Asked Questions

What engines use this gasket?

Specifically designed for 2003–2007 Dodge Ram trucks equipped with the 5.9L Common Rail (CP3) Cummins engine.

Why replace it if I'm valve-cover accessible anyway?

Even minor leaks can attract debris and degrade electrical components. Installing a fresh OEM gasket during service maintains clean, reliable operation.

Can I buy a bundle instead?

Yes—we offer valvetrain rebuild and tune-up bundles combining this gasket with seals, washers, and related accessories for easier maintenance.

How long does this gasket last?

When correctly installed, it can last upwards of 150,000 miles under normal driving conditions—sometimes much longer with proper service.

Tags

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