Valve Cap Cummins 4982900 | 498290000, C6204414550, CU4982900

High-Quality Valve Cap for Cummins B3.3 and QSB3.3 Engines

The Cummins 4982900 valve cap is a critical component designed to protect the valve stem and internal valvetrain mechanisms in heavy-duty diesel engines. By creating a secure seal over the valve stem, this cap prevents dust, dirt, and moisture from entering the valve assembly, reducing wear and extending the service life of your engine’s cylinder head components.

This part is also available under the numbers: 498290000, C6204414550, CU4982900, and CUM4982900. Engineered to meet precise dimensional standards, it ensures a perfect fit and reliable operation under the high-temperature and high-pressure conditions of industrial and commercial applications.

Engine Compatibility and Applications

This valve cap is specifically designed for use with the following Cummins engine models:

• Cummins B3.3 (commonly used in agricultural, construction, and power generation equipment)
• Cummins QSB3.3 (electronic common-rail industrial engines)

Key Features and Benefits

• Valvetrain Protection: Shields the valve stem and spring assembly from abrasive contaminants.
• Durable Construction: Manufactured from high-strength materials to withstand continuous mechanical stress and thermal cycles.
• Precise Fitment: Direct replacement part designed to match exact factory specifications for hassle-free installation.

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 4982900
• 498290000
• CU4982900
• CUM4982900
• C6204414550