Product Description
Overview
The AirDog® FP-150-4G (P/N A4SPBC191) is a 150 GPH original AirDog frame-mounted lift pump engineered specifically for the 2015–2016 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD with the 6.6L Duramax LML. It removes air/vapor and contaminants, feeds clean, regulated fuel to the CP4 injection pump, and returns separated air back to the tank for smoother idle, stronger throttle response, and improved component longevity.
Vehicle Fitment
- 2015–2016 Chevrolet Silverado 2500HD/3500HD — 6.6L Duramax LML
- 2015–2016 GMC Sierra 2500HD/3500HD — 6.6L Duramax LML
Key Features
- 150 GPH supply for stock-to-built LML applications
- De-aerates and polishes fuel; helps protect CP4 and injectors
- Clean, OE-style install: mounts to frame ahead of fuel tank
- All-inclusive kit: filters, bracketry, lines/fittings, wiring, and hardware
What’s Included
Complete AirDog FP-150-4G assembly, frame-mount bracket/cradle, wiring harness with relay, 1/2" fuel lines and quick-connect fittings, draw-straw, filler-neck tee return, fuel filter and water separator, and installation hardware (see install manual for full parts list).
Installation Instructions
- Original AirDog CHEVY 2015–2016 6.6L FP-100 & FP-150 — Rev. 1-10-24 (PDF)
- AirDog Resource Library (latest manuals)
Specifications for airdog A4SPBC191
| Spec | Value |
|---|---|
| Brand | AirDog (PureFlow) |
| Part Number | A4SPBC191 (FP-150-4G) |
| UPC | 813094016914 |
| GTIN | 00813094016914 |
| Flow Rate | 150 GPH |
| Mounting Location | Frame rail ahead of fuel tank |
| Shipping | Free Shipping (contiguous U.S.) |
| Ship Weight | ~27 lb |
| Package Dimensions (W × H × D) | 13.50 in × 7.00 in × 13.00 in |
| Country of Origin | USA (per manufacturer) |
| Install Manual | Download PDF |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |