The Cummins Intake Manifold Gasket 3947530 is a precision-engineered gasket designed for 07-17 Dodge RAM trucks equipped with ISB B6.7 6.7L engines. This gasket provides a reliable seal between the intake manifold and cylinder head, preventing air, coolant, and vacuum leaks that can negatively impact engine performance and efficiency.
Manufactured from high-quality, durable materials, this gasket is resistant to heat, pressure, and chemical exposure typically found in diesel engine operation. It ensures consistent engine performance, optimal air/fuel mixture, and prevents potential damage to the intake manifold or cylinder head.
Ideal for engine maintenance, repairs, and rebuilds, the 3947530 gasket provides a direct-fit replacement for worn, damaged, or leaking gaskets, helping maintain engine reliability, fuel efficiency, and reduced emissions. OEM-quality construction guarantees long-term durability and a perfect seal in demanding heavy-duty and commercial applications.
✔ PRODUCT FEATURES & COMPONENTS
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OEM-quality Cummins Intake Manifold Gasket 3947530
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Provides airtight and leak-proof seal between intake manifold and cylinder head
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Prevents coolant, vacuum, and air leaks
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Manufactured from high-quality, heat- and chemical-resistant materials
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Direct-fit replacement for 07-17 Dodge RAM ISB B6.7 6.7L engines
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Ensures optimal engine performance and fuel efficiency
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Ideal for maintenance, rebuilds, and repairs
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Durable design for heavy-duty diesel applications
✅ ENGINE COMPATIBILITY
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Cummins ISB B6.7 6.7L (2007–2017 Dodge RAM)
✅ VEHICLE & EQUIPMENT APPLICATIONS
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Dodge RAM 2500 / 3500 / 4500 / 5500 (2007–2017)
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Commercial trucks powered by 6.7L Cummins engines
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Industrial equipment and heavy-duty vehicles with ISB B6.7 engines
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Engine rebuilds and maintenance projects requiring gasket replacement
✅ KEY FEATURES & BENEFITS
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OEM-Level Seal: Ensures leak-free operation between intake manifold and cylinder head
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Enhanced Engine Performance: Maintains proper air/fuel mixture for efficient combustion
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Durable Construction: Resists high temperatures, pressure, and chemical exposure
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Direct Replacement: Fits Dodge RAM ISB B6.7 engines without modifications
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Improved Fuel Efficiency: Prevents air leaks that can reduce performance and efficiency
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Reliable Operation: Reduces engine errors, rough idle, and loss of power
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Long-Term Durability: Minimizes maintenance frequency and prevents early wear
Which vehicles is the Cummins 3947530 gasket compatible with?
It is compatible with 2007–2017 Dodge RAM trucks equipped with ISB B6.7 6.7L engines.
What does the intake manifold gasket do?
It provides a seal between the intake manifold and cylinder head, preventing air, coolant, and vacuum leaks to ensure proper engine performance.
Can this gasket improve engine performance?
Yes, by preventing leaks, it ensures optimal air/fuel mixture, improving combustion efficiency, fuel economy, and engine reliability.
Is this an OEM-quality replacement?
Yes, the 3947530 gasket is OEM-quality and provides a direct-fit replacement for the Dodge RAM ISB B6.7 6.7L engine.
When should I replace the intake manifold gasket?
Replace it when you notice air or coolant leaks, rough engine idle, decreased performance, or during engine rebuilds or maintenance.




