CUMMINS 3931623 GENUINE VALVE TAPPET | OEM REPLACEMENT FOR 1989-2024 5.9L & 6.7L CUMMINS

The Cummins 3931623 Genuine Valve Tappet is engineered to factory specifications for a perfect fit and optimal performance in all 5.9L and 6.7L Cummins diesel engines from 1989-2024. This critical engine component ensures smooth valve operation and long-term reliability in both stock and high-performance applications.

Features & Benefits

• OEM Fit & Quality: Manufactured by Cummins for precise tolerance and dependable operation.
• Durable Design: Built to withstand the stress, heat, and friction of diesel valvetrain systems.
• Wide Compatibility: Fits 12-valve, 24-valve, and common rail Cummins engines.

Frequently Asked Questions

What engines is this tappet compatible with?

Fits all 5.9L (1989-2007) and 6.7L (2007.5-2024) Cummins diesel engines in Dodge Ram trucks and other applications.

When should I replace valve tappets?

Replace them if you hear excessive valvetrain noise, notice reduced performance, or find damage during an engine teardown.

Can I use these in a performance build?

Yes. OEM Cummins tappets are suitable for stock and high-performance builds when paired with proper camshaft and spring setups.

Are these sold individually or in sets?

Sold individually. Order the quantity required for your engine build.

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