Product Description
INDUSTRIAL INJECTION 436407 GM DUAL FUELER KIT FOR 2011-2016 6.6L DURAMAX LML
Upgrade your 2011-2016 GM 6.6L Duramax LML with the Industrial Injection 436407 Dual Fueler Kit, engineered for serious power and fuel delivery. This kit adds a second CP3 pump to work alongside your factory pump, providing the fuel capacity required for high-horsepower builds while maintaining excellent driveability and reliability.
Designed to eliminate high-pressure fuel limitations common on tuned LML engines, this Dual Fueler Kit is a must-have for anyone upgrading injectors, turbos, or tuning for over 600HP.
Features:
- Supports 600-1000+ horsepower applications
- Retains factory CP4 pump while adding second CP3
- Includes all brackets, pulleys, and hardware for installation
- Improved fuel rail pressure consistency under load
- Compatible with stock or modified fuel systems
Vehicle Fitment:
- 2011-2016 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LML
- 2011-2016 GMC Sierra 2500HD/3500HD 6.6L Duramax LML
Specifications:
| Brand | Industrial Injection |
|---|---|
| Part Number | 436407 |
| UPC | 840171212652 |
| Fitment | 2011-2016 GM 6.6L Duramax LML |
| Fuel System Type | Dual CP3 Conversion Kit |
Recommended Upgrades:
Frequently Asked Questions:
Q: Will this kit replace my factory CP4 pump?
A: No, this kit adds an additional CP3 pump while retaining your factory CP4 pump for increased fuel delivery.
Q: Does this require custom tuning?
A: Yes, tuning is required to properly integrate the dual fueler system and prevent pressure issues.
Q: Is this compatible with aftermarket tuning platforms?
A: Yes, works with EFILive, HP Tuners, and other major tuning solutions.
Q: Can this be used with stock injectors?
A: Yes, though it's most effective with upgraded injectors and turbo setups.