CUMMINS 4955210 GENUINE EXHAUST VALVE - OEM FOR 1998.5-2018 5.9L & 6.7L CUMMINS

The Cummins 4955210 Genuine Exhaust Valve is a factory-engineered component designed for 1998.5-2007 5.9L Cummins and 2007.5-2018 6.7L Cummins diesel engines. This OEM valve maintains proper exhaust flow, sealing, and durability under the extreme temperatures and pressures of turbocharged diesel operation.

Whether you're performing a cylinder head rebuild or replacing worn components, this exhaust valve restores OEM performance and reliability.

Features & Benefits

• OEM Fit: Manufactured by Cummins to exact factory tolerances.
• High Durability: Built to withstand high heat and turbocharged exhaust conditions.
• Performance Ready: Supports stock and upgraded engine builds.

Cross Reference Part Numbers

• Cummins 4955210
• Replaces: 3940738, 3940739
• Interstate McBee M-4955210

Frequently Asked Questions

Should I replace exhaust valves during a head rebuild?

Yes, it is recommended to replace valves, especially if the originals show signs of wear, pitting, or burning.

Do these valves require seat cutting?

Yes, proper installation usually includes cutting or reconditioning valve seats to match new valves.

Are these compatible with aftermarket performance heads?

Yes, as long as the head is machined to OEM spec for 5.9L or 6.7L Cummins applications.

Related Cylinder Head & Valvetrain Components

• Cummins Cylinder Heads - OEM & performance replacement heads.
• Cummins Intake Valves - Factory intake valves for balanced airflow.
• Cummins Valve Springs - Stock & high-performance spring kits.
• Cummins Valve Guides & Seals - Complete sealing solutions for head rebuilds.