Cummins 3408421X 24V Flameout Solenoid Valve | Fuel Shut Off for QSM11 & M11 Engines
Ensure reliable engine shutdown control and fuel system safety for your Cummins diesel engine with the Cummins 3408421X 24V Flameout Solenoid Valve. This precision-engineered fuel shut off solenoid is specifically designed for the Cummins QSM11, M11, and ISM11 engine families—10.8-liter inline 6-cylinder diesel platforms widely used in heavy-duty trucks, construction equipment, buses, and industrial applications worldwide .
3408421X 24V
Cummins Genuine Parts 3408421X Flameout Solenoid
The 3408421X is a high-quality fuel shut off solenoid manufactured to meet or exceed original equipment specifications. According to official Cummins parts data, this 24V solenoid is designed to control fuel flow to the injection pump, ensuring precise engine shutdown when activated .
| Specification | Detail |
|---|---|
| Part Number | 3408421X |
| Voltage | 24V DC |
| Type | Flameout Solenoid / Fuel Shut Off Valve |
| Compatible Engines | QSM11, ISM11, M11, M11 CELECT Plus |
| Material | Aluminum alloy with corrosion-resistant coating |
| Mounting | 4-hole flange mount |
| Quality | OEM-grade, 100% tested, Original |
Compatible Engine Platforms – Cummins Genuine Parts
The 3408421X flameout solenoid valve is compatible with the following Cummins engine models :
| Engine Model | Applications |
|---|---|
| QSM11 | Generator sets, marine propulsion, industrial power |
| ISM11 | Heavy-duty trucks, commercial vehicles |
| M11 | Trucks, buses, construction equipment |
| M11 CELECT Plus | Electronic fuel system variants |
| QSM11 CM570 / CM850 / CM2150 | Various control module versions |
These engine platforms are widely used in:
- Heavy-Duty Trucks:Â Kenworth, Peterbilt, Freightliner
- Construction Equipment:Â Excavators, loaders, bulldozers
- Marine:Â Commercial vessels, workboats
- Power Generation:Â Standby and prime power generators
- Industrial:Â Mining equipment, compressors
Technical Features & Benefits
The Cummins 3408421X solenoid valve is engineered with advanced features for reliable operation:
✅ Precise Fuel Control: Spring-actuated mechanism ensures immediate fuel cut-off when power is removed, providing safe engine shutdown
✅ 24V Operation: Standard commercial vehicle voltage for reliable performance in heavy-duty applications
✅ Durable Construction: Aluminum alloy body with corrosion-resistant coating withstands harsh engine environments
✅ Easy Installation: 4-hole flange mounting with clear terminal identification for straightforward replacement
✅ High Current Capacity: Engineered to handle demanding electrical loads in commercial vehicle systems
Why Choose a Quality Flameout Solenoid?
The flameout solenoid is a critical safety component that:
- Ensures Engine Shutdown:Â Reliably cuts fuel supply when ignition is turned off, preventing run-on
- Provides Emergency Stop:Â Allows immediate engine shutdown in emergency situations
- Protects Engine:Â Prevents uncontrolled operation that could lead to engine damage
- Improves Safety:Â Eliminates risk of unintended vehicle movement
- Extends Component Life:Â Quality construction ensures thousands of actuation cycles
Cross Reference & Interchange Information – Cummins Genuine Parts
The Cummins 3408421X solenoid cross-references with the following part numbers :
| Cross Reference | Description |
|---|---|
| 3408421X | Primary part number |
| 3408121X | Alternate Xian Cummins number |
| 4024808 | Related solenoid part number |
| 3054608 | Interchangeable solenoid |
| 209940 | Alternate reference |
| 3054611 | Fuel shutoff solenoid variant |
Complete Range of Cummins Solenoid Valves – Cummins Genuine Parts
At Multistar Parts Co., Ltd., we supply a comprehensive selection of Cummins solenoid valves and fuel system components:
Flameout Solenoids:
- 3408421X – 24V for QSM11, ISM11, M11 enginesÂ
- 4024808 – For QSX15 enginesÂ
- 3018453 – For NTA855 enginesÂ
- 3021420 – For KTA19, N855 enginesÂ
- 3096856/3096857 – For KTA50, KTA38 enginesÂ
Related Components:
- Fuel shutoff valves and actuators
- Stop solenoids for various Cummins engines
- Solenoid repair kits and mounting hardware
Why Choose Multistar Parts Co., Ltd.?
As a specialized supplier of Cummins engine parts from China, we offer:
- ✅ Premium Quality: Genuine-grade components meeting OEM specificationsÂ
- ✅ 100% Testing: Rigorous quality control before shipment
- ✅ Extensive Inventory: Comprehensive stock of QSM11, ISM11, and M11 engine parts
- ✅ Global Logistics: Worldwide shipping to minimize downtime
- ✅ Competitive Pricing: Wholesale rates for fleets, workshops, and distributors
- ✅ Technical Support: Expert assistance for parts identification
- ✅ Flexible Packaging: OEM or neutral packaging options available
Installation & Maintenance Tips
When replacing the 3408421X flameout solenoid on your Cummins engine:
- Disconnect Battery:Â Always disconnect power before electrical work
- Verify Voltage:Â Ensure 24V system compatibility
- Clean Mounting Surface:Â Remove debris from mounting area
- Check Wiring:Â Inspect harness for damage or corrosion
- Test Operation:Â After installation, verify proper shutdown function
- Periodic Inspection:Â Check solenoid operation during routine maintenance
Keep Your Cummins Engine Running Safely
The Cummins QSM11, ISM11, and M11 engines are renowned for their durability and performance. Using quality 3408421X flameout solenoid valve ensures your engine shuts down reliably when needed—protecting your equipment and personnel.
Contact Multistar Parts Co., Ltd. today to order the Cummins 3408421X 24V Flameout Solenoid Valve or inquire about our full range of QSM11 engine parts. Whether you need a single solenoid for repair or wholesale quantities for fleet maintenance, we deliver the quality, reliability, and support your operations demand.
Trust Multistar Parts Co., Ltd. as your dedicated partner for genuine-quality Cummins engine components.
About Multistar Parts
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