Cummins Valve Spring C3991085 – High-Tension DCEC Engine Component
The Cummins Valve Spring C3991085 is a high-performance component that plays a crucial role in maintaining precise valve operation in DCEC engines. This spring ensures proper timing by controlling the movement of engine valves, even under high-speed or high-load conditions. Built to Cummins genuine parts standards, it delivers the durability and resilience required in demanding industrial and commercial engine environments.
📦 Specifications
- Part Name: Valve Spring
- Part Number: C3991085
- Engine Platform: DCEC
- Brand: Cummins
- Function: Controls intake and exhaust valve movement
- Material: Heat-treated alloy steel
- Compatibility: DCEC engine models and assemblies
✅ Key Features
- Precision-engineered for DCEC parts systems
- High fatigue resistance ensures long-lasting performance
- Maintains valve timing accuracy under dynamic engine loads
- Manufactured using corrosion-resistant, high-tensile materials
- Meets or exceeds Cummins genuine parts specifications
🔧 Technical Insights
The C3991085 valve spring maintains pressure on the valve stem and keeps it tightly sealed when closed. During engine operation, it compresses and releases in coordination with the camshaft, allowing accurate intake and exhaust valve timing. Its consistent spring rate is critical to preventing valve float, especially at higher RPMs. Because it is specifically designed for DCEC parts, it integrates perfectly with DCEC cylinder heads and valve train assemblies.
💡 Application Scenarios
- ✅ Used in DCEC engine valve train systems
- ✅ Suitable for medium to heavy-duty trucks and off-road machinery
- ✅ Ideal for construction, agricultural, and generator set applications
- ✅ Recommended for routine engine rebuilds or performance maintenance
🚚 Availability
The Cummins Valve Spring C3991085 is in stock and ready for worldwide shipping.
To ensure proper compatibility with your Cummins parts setup, please provide your engine serial number (ESN). Our support team is here to assist you with verification.
