
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Exhaust Valve Cummins 3803519 | 3029332, 3019370, 145701, 130519
Optimize your heavy-duty engine’s combustion cycle with this premium Cummins 3803519 exhaust valve, engineered for superior heat resistance and durability in demanding environments.
Description
High-Performance Exhaust Valve for Cummins Engines
The Cummins 3803519 exhaust valve is engineered to withstand the extreme temperatures and high-pressure environments of heavy-duty diesel engines. Designed with precision to meet or exceed industry standards, this exhaust valve ensures optimal sealing, efficient heat dissipation, and reliable engine performance, preventing compression loss and maintaining peak combustion efficiency.
Key Features & Benefits
- Superior Thermal Resistance: Manufactured from high-grade alloys to resist thermal fatigue and warping under extreme operating temperatures.
- Precise Fitment: Built to exact dimensional specifications for seamless integration into your engine’s cylinder head.
- Enhanced Durability: Engineered to minimize wear on the valve seat and guide, extending the overall service life of your valvetrain.
Technical Specifications
- Part Number: 3803519
- Head Diameter: 47.5 mm (1.870 in)
- Stem Diameter: 11.5 mm (0.4505 in)
- Overall Length: 179.4 mm (7.063 in)
- Seat Angle: 30°
Engine Compatibility
This exhaust valve is compatible with a wide range of heavy-duty Cummins diesel engines, including:
- Cummins 855 Series (NT855, NTA855, NH855, G855)
- Cummins NH220 (NH220-743)
- Cummins N14 (including N14 Mechanical)
- Cummins V28 Series (VT28-1710)



