Cummins Valve Insert C3943449 – Reinforced Seat Ring for High-Temperature Durability
The Cummins Valve Insert C3943449 is a high-performance seat ring engineered to provide a durable and heat-resistant seating surface for exhaust and intake valves in DCEC engine platforms. As part of the Cummins parts, Cummins genuine parts, and DCEC parts catalog, this insert plays a crucial role in extending cylinder head life and maintaining engine compression integrity under extreme thermal stress.
📦 Specifications
- Part Number: C3943449
- Part Name: Valve Insert
- Material: Heat-treated alloy steel
- Surface Treatment: Machined and ground sealing face
- Condition: 100% Brand New
- Category: Engine Valve Train Components
- Application: Suitable for multiple DCEC engine models
- OEM Standard: Compliant with Cummins genuine parts specifications
✅ Key Features
- Withstands high temperatures and combustion pressures
- Enhances valve seating performance and prevents wear
- Minimizes valve seat erosion during long engine operation
- Reduces the risk of valve recession in heavy-duty use
- Compatible with all related Cummins parts and DCEC parts assemblies
🔧 Technical Insights
This valve insert is precision-manufactured to exacting Cummins OEM tolerances. It creates a robust seal between the valve face and cylinder head, ensuring optimal combustion chamber sealing. The advanced alloy construction resists deformation and pitting caused by heat cycles and aggressive fuel conditions. Moreover, it helps reduce heat transfer to the cylinder head, which extends the service life of your DCEC parts engine.
💡 Application Scenarios
The C3943449 Valve Insert is typically used in:
- 🚚 Heavy-duty trucks with DCEC diesel engines
- 🏗 Construction equipment subjected to high engine loads
- 🚜 Agricultural machines with frequent stop-start cycles
- 🔧 Engine remanufacturing requiring complete valve train service
- 🛠 Industrial generators operating in high-temperature environments
🚚 Availability
The Cummins Valve Insert C3943449 is currently in stock and ready for worldwide delivery.
To verify exact compatibility with your Cummins parts system, please provide your engine serial number (ESN). Our technical support team is happy to help ensure perfect fitment with your DCEC application.
