Cummins Flywheel Ring Gear C3901774 – Precision Engagement for Reliable Starts
The Cummins Flywheel Ring Gear C3901774 is engineered to deliver smooth and reliable starter engagement in diesel engine systems. As an essential part of the flywheel, it allows the starter motor to crank the engine efficiently—ensuring fast ignition and dependable operation. Manufactured according to Cummins genuine parts specifications, this ring gear fits perfectly in a wide range of DCEC parts powered engines.
Whether you’re replacing a worn gear or rebuilding an entire flywheel assembly, this part helps you restore engine performance with minimal effort.
📦 Specifications
- Part Number: C3901774
- Part Name: Flywheel Ring Gear
- Material: Hardened alloy steel
- Teeth Count: Standard tooth profile (varies by model)
- Condition: 100% Brand New
- Category: Engine Starting System Components
- Origin: Complies with Cummins OEM manufacturing standards
- Compatibility: Designed for multiple DCEC parts and Cummins parts configurations (verify with ESN)
✅ Key Features
- High-precision gear teeth for smooth starter engagement
- Heat-treated for enhanced strength and durability
- Ensures fast, reliable engine starting under all conditions
- Seamlessly integrates with Cummins genuine parts flywheel assemblies
- Built for long service life in tough environments
🔧 Technical Insights
Crafted from high-grade alloy steel, the C3901774 Flywheel Ring Gear undergoes precision machining and surface hardening. As a result, it resists wear from repeated starter motor contact. Moreover, its exact tooth pitch and fitment ensure minimal backlash, reducing stress on both the starter and the flywheel.
Since it follows strict Cummins OEM tolerances, installation is quick and hassle-free—making it a smart solution for technicians and rebuilders using DCEC parts systems.
💡 Application Scenarios
The C3901774 Flywheel Ring Gear is commonly used in:
- 🔹 Medium-duty trucks with DCEC diesel engines
- 🔹 Industrial generators using Cummins parts configurations
- 🔹 Marine propulsion systems needing reliable cold starts
- 🔹 Agricultural or construction equipment with flywheel-based starters
- 🔹 Engine overhauls requiring original Cummins genuine parts
🚚 Availability
This part is in stock and ready for worldwide shipping.
To ensure the best fit with your Cummins parts system, please provide your Engine Serial Number (ESN) when placing an inquiry. Our team will gladly assist with part verification.
