Cummins Valve Collet 3901177 – Secure Valve Retention for Heavy-Duty Engines
The Cummins Valve Collet 3901177 is a small but essential component that ensures secure valve locking within the cylinder head assembly. Built for use in DCEC parts engine platforms, this collet plays a critical role in valve train stability, helping maintain precise valve operation under high pressure and temperature conditions.
Crafted to meet Cummins genuine parts standards, it provides a reliable fit and long-term durability in demanding diesel environments. Whether you’re performing a full engine rebuild or replacing worn components, this collet offers the strength and precision you need to keep your Cummins parts engine performing at its best.
📦 Specifications
- Part Number: 3901177
- Part Name: Valve Collet
- Material: Heat-treated alloy steel
- Finish: Smooth machined surface
- Condition: 100% Brand New
- Category: Engine Valve Train Components
- Origin: Compliant with Cummins OEM manufacturing standards
- Compatibility: Designed for selected DCEC parts configurations (confirm with ESN)
✅ Key Features
- Precisely secures the valve stem and retainer in place
- Withstands high combustion temperatures and engine loads
- Machined to tight tolerances for consistent locking
- Corrosion-resistant and built for long-term use
- Fully compatible with other Cummins genuine parts and DCEC parts
🔧 Technical Insights
The Cummins 3901177 Valve Collet is engineered to form a strong mechanical grip when paired with valve retainers. Because it’s made from hardened alloy steel, it resists wear from repeated valve movement and heat exposure. Additionally, its symmetrical design ensures even load distribution around the valve stem, preventing deformation or slippage during high-speed operation.
Thanks to its OEM-level fitment, this collet integrates seamlessly with other Cummins parts, offering long-lasting performance without the need for frequent replacement.
💡 Application Scenarios
The 3901177 Valve Collet is typically used in:
- 🔹 Cylinder head assemblies of DCEC parts diesel engines
- 🔹 Heavy-duty trucks and buses powered by Cummins genuine parts
- 🔹 Industrial diesel generators with high RPM operation
- 🔹 Engine overhauls or valve train repairs
- 🔹 Any application requiring reliable valve retention in Cummins parts systems
🚚 Availability
The Cummins Valve Collet 3901177 is in stock and available for immediate global shipping.
To ensure the correct fit for your engine, please provide your Engine Serial Number (ESN). Our support team is always ready to help with compatibility checks and product guidance.
