Owners of the Duramax LML 6.6L era seek reliable lift pumps to maintain fuel pressure, improve startup, and support higher horsepower. The following selections are designed for Duramax LML applications from 2011 to 2014, offering durable construction, quiet operation, and compatibility with common fuel systems. Read on to compare options, features, and how each pump aligns with different bed lengths and performance goals.
| Product | Brand | Key Benefit |
|---|---|---|
| AirDog Lift Pump Filter A4SPBC089 | AirDog | High-flow, Duramax-compatible |
| Fleece PowerFlo In-tank Lift Pump Short Bed | Fleece Performance Engineering | Quality replacement part, short bed |
| FASS Titanium Signature Series 100GPH | FASS | Whisper technology, robust filtration |
| Fleece PowerFlo In-tank Lift Pump Long Bed | Fleece Performance Engineering | Quality replacement part, long bed |
| AirDog II-5G DF-100-5G 11-14 Chevy LML Duramax Lift Pump | East Coast Diesel | 100 GPH, durable design |
AirDog Lift Pump Filter A4SPBC089
The AirDog A4SPBC089 is a lift pump filter designed for Duramax-powered trucks from 2011 to 2014. It supports 500-800 horsepower and is a fitting choice for high-performance builds. Package dimensions indicate a solid, durable assembly suitable for harsh operating conditions.
- Fits: 2011-2014 Chevy & GMC Duramax
- Supports 500-800 engine horsepower
- Package dimensions: 20.32 L x 48.26 H x 34.29 W cm
Fleece PowerFlo In-tank Lift Pump Short Bed (FPE-34563)
The Fleece PowerFlo short bed lift pump provides a reliable replacement option for 6.6L LML Duramax engines. It’s built with quality materials and designed to fit the Duramax platform while maintaining fuel flow and pressure for consistent performance.
- Replacement parts with quality materials
- Designed to fit Duramax LML trucks
- Suitable for short bed configurations
FASS Titanium Signature Series 100GPH Lift Pump
The FASS Titanium Signature Series 100 GPH lift pump is designed for Duramax 6.6L engines from 2011-2014. Notable features include Whisper Technology for quiet operation, water removal, and two-micron filtration, all contributing to cleaner fuel and improved reliability under load.
- Whisper Technology for quieter operation
- Removes water, air, and debris
- 2-micron filtration rating
Fleece PowerFlo In-tank Lift Pump Long Bed (FPE-34564)
The long bed variant of the Fleece PowerFlo in-tank lift pump offers a durable solution for long-bed Duramax trucks. Its design focuses on dependable fuel delivery and compatibility with standard Duramax fuel systems while preserving overall efficiency.
- Long bed compatibility
- Quality materials for durability
- Designed to fit Duramax vehicles
AirDog II-5G DF-100-5G 11-14 Chevy LML Duramax Lift Pump
The AirDog II-5G DF-100-5G is a robust lift pump option for 2011-2014 Duramax LML engines. It features a 100 GPH flow rate and enhanced ports for improved fuel delivery and reliability in demanding driving conditions.
- Fuel recirculation design with demand flow
- Flow rate: 100 GPH
- Enhanced ports for improved performance
AirDog II-5G, DF-165-5G 11-14 Chevy LML Duramax Lift Pump
The AirDog II-5G DF-165-5G is designed for Duramax LML engines within the 11-14 range, offering consistent performance and durability through high-quality materials. It supports reliable fuel delivery across varying driving scenarios.
- Designed for 11-14 Duramax LML
- Durable construction for long-term use
- Consistent performance under different loads
Buying Guide: Key Considerations For LML Lift Pumps
- Bed length compatibility: Short-bed vs long-bed configurations affect pump fitment and installation; verify model-specific fit before purchase.
- Flow rate vs horsepower: Higher horsepower builds benefit from pumps with elevated flow rates (e.g., 100 GPH) but may require supporting fuel system components.
- Filtration and water removal: Pumps with advanced filtration (2-micron) and water separation help protect injectors and ensure cleaner fuel delivery.
- Noise and durability: Technologies like Whisper or other noise-reduction features improve cabin experience; material quality affects long-term reliability.
- Installation considerations: Some pumps include integrated filters or require mounting hardware; check compatibility with existing fuel lines and mounting points.
- Brand reliability and support: Established brands (AirDog, Fleece, FASS) tend to offer better support and documented compatibility for Duramax applications.
- Maintenance needs: Consider ease of serviceability, availability of replacement parts, and anticipated maintenance intervals for extended durability.
- Warranty and return policy: Review warranty terms to ensure coverage for installation and vehicle use, especially in aftermarket performance setups.
- System integration: Ensure chosen pump aligns with your lift pump’s fuel recirculation design and overall fuel system architecture to avoid fuel starvation or air ingestion.