Airdog II-5G Air Fuel Separation Lift Pump System 01-10 GM Duramax LB7/LLY/LBZ/LMM
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- Ships from AirDog | PureFlow Technologies
Are you looking to upgrade your Duramax's fuel system? The PureFlow AirDog II-5G adds a frame-mounted lift pump to the GM 6.6L Duramax, providing the consistent fuel delivery these trucks were never equipped with from the factory. The system is designed around the Duramax fuel system for a straightforward installation, with the suction side connecting to the factory fuel module fitting and the pressure side feeding directly into the factory injection pump supply line. With 100, 165, or 220 GPH options, you can build the fuel system around your truck rather than settling for a one-size-fits-all pump.
The AirDog II-5G also incorporates an air/vapor separation system that routes separated air and vapor back to the fuel tank through a filler-neck tee while maintaining a steady fuel supply to the engine. Each system uses the supplied sandwich-plate frame mount and application-specific components for one of AirDog's easier installations.
Which Flow Rate should you choose?
When it comes to upgrading your fuel system, choosing the right GPH (gallons per hour) rating isn’t about picking the biggest number; it’s about matching your pump to your truck’s real-world demands. An AirDog aftermarket fuel system doesn’t just supply fuel; it improves filtration, removes air/vapor, and ensures your injection system gets consistent, reliable pressure. But choosing between 100, 165, and 220 GPH? That’s where a lot of people get stuck.
100 GPH: Stock Reliability Upgrade (STOCK-500 HP)
• Perfect for stock trucks or very mild setups. If you want to eliminate factory fuel issues and improve reliability without overbuilding your system, this is the ideal choice.
165 GPH: Daily Driver + Towing Sweet Spot (500-800 HP)
• Best for trucks with mild tuning or regular towing. This is the most popular option for owners who want extra fuel capacity without going overkill.
220 GPH: Performance Builds (800-1100 HP)
• Designed for higher horsepower setups with increased fuel demand. Ideal for trucks running upgraded injectors or pushing harder under load.
Are you looking to upgrade your Duramax's fuel system? The PureFlow AirDog II-5G adds a frame-mounted lift pump to the GM 6.6L Duramax, providing the consistent fuel delivery these trucks were never equipped with from the factory. The system is designed around the Duramax fuel system for a straightforward installation, with the suction side connecting to the factory fuel module fitting and the pressure side feeding directly into the factory injection pump supply line. With 100, 165, or 220 GPH options, you can build the fuel system around your truck rather than settling for a one-size-fits-all pump.
The AirDog II-5G also incorporates an air/vapor separation system that routes separated air and vapor back to the fuel tank through a filler-neck tee while maintaining a steady fuel supply to the engine. Each system uses the supplied sandwich-plate frame mount and application-specific components for one of AirDog's easier installations.
Which Flow Rate should you choose?
When it comes to upgrading your fuel system, choosing the right GPH (gallons per hour) rating isn’t about picking the biggest number; it’s about matching your pump to your truck’s real-world demands. An AirDog aftermarket fuel system doesn’t just supply fuel; it improves filtration, removes air/vapor, and ensures your injection system gets consistent, reliable pressure. But choosing between 100, 165, and 220 GPH? That’s where a lot of people get stuck.
100 GPH: Stock Reliability Upgrade (STOCK-500 HP)
• Perfect for stock trucks or very mild setups. If you want to eliminate factory fuel issues and improve reliability without overbuilding your system, this is the ideal choice.
165 GPH: Daily Driver + Towing Sweet Spot (500-800 HP)
• Best for trucks with mild tuning or regular towing. This is the most popular option for owners who want extra fuel capacity without going overkill.
220 GPH: Performance Builds (800-1100 HP)
• Designed for higher horsepower setups with increased fuel demand. Ideal for trucks running upgraded injectors or pushing harder under load.
Diesel Power Products directs warranty claims to the respective manufacturer; coverage and duration depend on that manufacturer and product. Its one-year manufacturer-defect warranty applies only to products manufactured by Power Products Unlimited Inc., not all products it sells. Manufacturer inspection is required; DPP does not pay inspection/return shipping or labor.
Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Diesel Power Products warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Professional installation is recommended.
- Return eligibility
- Diesel Power Products states a 30-day window from receipt for eligible new, uninstalled, unopened and complete items in original packaging, with prior approval/RMA. Custom tuners and specified opened tools are excluded. Customer pays return shipping; original outbound shipping, including initially free shipping, is deducted. No standard restocking percentage is stated for ordinary approved returns. Based on what Diesel Power Products offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- Diesel Power Products
- Warranty duration
- Product-specific duration not stated; see supplier terms
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–7 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- Diesel Power Products
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.