Product Description
Overview: The AirDog® Raptor-4G RP-150 (P/N R4SBC139) is a 150 GPH frame-mounted lift pump engineered specifically for the 2015–2016 GM 6.6L Duramax LML. It mounts cleanly to the frame bracket ahead of the fuel tank, draws through the OE suction fitting, and feeds the injection pump with a steady, de-aerated fuel supply. Internally regulated design means no return line required for a clean, reliable install.
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 flow for stock-to-moderately modified LML builds
- Internally regulated; no return line required
- Quiet 4G motor design; smooth operation
- Direct-feed plumbing to the injection pump to reduce aeration/cavitation
- Complete kit with pump, bracket, hoses/fittings, wiring (see manual)
Installation Instructions
- AirDog Installation Manual (RP-4G Duramax 2015–2016): Download PDF
- Browse the full AirDog resource library for the latest manuals: pureflowairdog.com/resources
Helpful Notes
- Mounts to the frame standoff in front of the tank; uses OE suction fitting and feeds the injection pump on the frame rail.
- Designed for moderately modified trucks; for heavier fueling demands, see II-5G alternatives above.
Specifications for airdog R4SBC139
| Brand | AirDog (PureFlow) |
| Part Number | R4SBC139 (RP-4G-150) |
| Engine Compatibility | 2015–2016 GM Duramax 6.6L LML |
| Flow Rate | 150 GPH |
| UPC (GTIN-12) | 813094012398 |
| GTIN-13 | 0813094012398 |
| GTIN-14 | 00813094012398 |
| Package Dimensions (W × H × D) | 13.50 in × 7.00 in × 12.00 in |
| Shipping Method | Free Shipping (contiguous U.S.) |
| Country of Origin | Not specified |
| Prop 65 Warning | Not specified by manufacturer |
