AIRDOG R4SBC139 RAPTOR 4G 150GPH PUMP 2015-2016 GM 6.6L DURAMAX LML (MODERATE TO EXTREME) INTERCOOLERS Built-In O-Ring Seal

Built-In O-Ring Seal

erase that ugly black smoke and dramatically reduce exhaust temperatures

Protect your transmission using only the best

For all warranty claims

AIRDOG R4SBC139 RAPTOR 4G 150GPH PUMP 2015-2016 GM 6.6L DURAMAX LML (MODERATE TO EXTREME) INTERCOOLERS Built-In O-Ring SealUpgrade the fuel system in your 2015 2016 GM 6. 6L Duramax with the PureFlow AirDog R4SBC139 Raptor 4G 150GPH Pump. The Raptor 4G improves fuel flow giving you the ability to support fuel system upgrades and other engine modifications. From the factory, your Duramax does not come with a lift pump to supply your engine with fuel. Instead it relies on the CP3 injection pump to pull from the tank. This not only excessive wear on your CP3 pump, but it