Product Description
AIRDOG A4SPBC187 FP-150-4G AIR/FUEL SEPARATION SYSTEM FOR 1992–2000 GM 6.5L DIESEL
The AirDog A4SPBC187 FP-150-4G is a 150 GPH frame-mounted air/fuel separation lift pump engineered for the 1992–2000 Chevy/GMC 6.5L diesel. It removes entrained air, vapor, water, and particulates before fuel reaches the injection pump to improve throttle response, protect injectors, and stabilize fuel pressure under load.
- Proven 4G motor with high-flow return base
- 150 GPH flow for stock to heavy-duty builds
- Complete install kit: frame sandwich plates, cradle, wiring, suction tube (FP-150), lines & fittings
- Uses AirDog WS100 water separator and FF100-2 2-micron fuel filter
- CARB EO D-595-5 (check local compliance)
Vehicle Fitment
Chevy/GMC 6.5L Diesel (GM “Detroit Diesel” 6.5)
- 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 6.5L
- Works with factory fuel line to injection pump; includes high-flow suction tube specific to FP-150
Cross-Reference / Related Airdog Items (CPP Diesel only)
- FP-100-4G (100 GPH) for 1992–2000 GM 6.5L: A4SPBC184
- Upgrade to AirDog II-5G (100 GPH) for 1992–2000 GM 6.5L: A7SPBC258
- Duramax 2001–2010 FP-150-4G (for shoppers comparing GM platforms): A4SPBC188
- Replacement Water Separator: WS100
- Replacement 2-Micron Fuel Filter: FF100-2
Installation Instructions
Download the official PureFlow AirDog FP-100/FP-150 1992–2000 GM 6.5L install manual (Rev. 1-10-24): View Install PDF
FAQ
What fuel pressure does the Original AirDog FP-150-4G run on a 6.5L?Typical regulated pressure is ~8–10 PSI at the pump return side. The system uses a non-adjustable ball-and-spring regulator designed for reliability on the GM 6.5L platform.
Do I have to drop the tank for the suction line?The FP-150 kit includes a high-flow suction tube; plan on accessing the tank to install the draw straw and route lines per the instructions. Follow the manual for safe routing and sealing practices.
Which filters does this kit use?Water separator: WS100. Fuel filter: FF100-2 (2-micron).
Is this product legal for on-road use?It carries CARB EO D-595-5 for many diesel applications. Always verify your specific configuration and local emissions rules before installation.
Specifications for airdog A4SPBC187
| Brand | AirDog (PureFlow) |
| Part Number | A4SPBC187 |
| Flow Rate | 150 GPH (FP-150-4G) |
| UPC | 813094016877 |
| GTIN | 813094016877 |
| Shipping Weight | ~27 lb |
| Package Dimensions | Approx. 19" × 13" × 7" |
| Shipping Method | Ground (Free Shipping) |
| CARB EO | D-595-5 |
| Prop 65 Warning | WARNING: Cancer & Reproductive Harm – P65Warnings.ca.gov |
| Included | Pump assembly, cradle & frame brackets, wiring harness, high-flow suction tube (FP-150 only), lines, fittings, hardware, filler-neck tee |
