Product Description
Airdog II-5G DF-100-5G for 2001–2010 GM Duramax 6.6L (LB7/LLY/LBZ)
The AirDog® II-5G DF-100-5G (100 GPH) is a complete frame-mounted lift pump and fuel air separation system engineered for the 2001–2010 Chevrolet/GMC Duramax 6.6L LB7, LLY, and LBZ. It removes entrained air and water, delivers consistent fuel pressure, and helps protect injectors and CP3 by feeding clean, steady fuel under load, towing, and daily driving.
Vehicle Fitment
- 2001–2004 GM Duramax 6.6L LB7
- 2004.5–2005 GM Duramax 6.6L LLY
- 2006–2007 GM Duramax 6.6L LBZ
- Also commonly used on chassis that retain LB7/LLY/LBZ fuel routing through 2010 when applicable (verify before ordering)
Key Features
- 100 GPH flow, integrated diaphragm-style fuel pressure regulator
- Air/vapor separation with return-to-tank for consistent, smooth fueling
- High-efficiency filtration with water separation to protect injectors
- Frame-rail sandwich-plate mount for clean, serviceable install
- Direct connection to OEM suction and feed lines for a tidy plumbing layout
What’s In The Box
- AirDog II-5G DF-100-5G pump assembly (A7SPBC259)
- Mounting bracket & hardware
- Fuel filters/water separator (as supplied by AirDog®)
- Vehicle-specific hose & fittings kit
- Wiring harness, relay, and instructions
Installation Instructions
Download the official PureFlow AirDog® installation manual here: AirDog® Install & Resources Library
Why Buy From CPP Diesel
- Curated Airdog catalog for diesel enthusiasts—no fluff, just the right parts
- Fast shipping options and expert support
- Secure checkout and hassle-free returns policy
Specifications for airdog A7SPBC259
| Attribute | Value |
|---|---|
| Brand | AirDog (PureFlow AirDog) |
| Part Number | A7SPBC259 (II-5G DF-100-5G) |
| UPC | 813094015597 |
| GTIN | 00813094015597 |
| Flow Rating | 100 GPH (DF-100-5G) |
| Shipping Method | Ground |
| Package Dimensions | 19.6" x 13.4" x 8.3" (approx.) |
| Shipping Weight | Not specified |
| Prop 65 Warning | This product can expose you to chemicals including diesel engine exhaust, known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov. |
