PureFlow R4SBC137 Raptor 4G 150 GPH Fuel Pump 11-14 6.6L GM Duramax LML

PureFlow R4SBC137 Raptor 4G 150 GPH Fuel Pump 11-14 6.6L GM Duramax LMLFeaturing Pureflow's 4G technology, this Raptor 4G can reliably deliver your Duramax engine up to 150 gallons per hour of fuel in a compact and quiet design, all backed by a lifetime guarantee. From the factory, your Duramax is not equipped with a low pressure lift pump. Rather, it puts all of the load on the CP4 injection pump to inevitably "suck" the fuel from the tank. To make matters worse, it has been proven that the move in 2011 to a CP4 from

Featuring Pureflow's 4G technology, this Raptor 4G can reliably deliver your Duramax engine up to 150 gallons per hour of fuel in a compact and quiet design, all backed by a lifetime guarantee.

From the factory, your Duramax is not equipped with a low pressure lift pump. Rather, it puts all of the load on the CP4 injection pump to inevitably "suck" the fuel from the tank. To make matters worse, it has been proven that the move in 2011 to a CP4 from the original, higher output CP3 from previous model year Duramax's has led to numerous failures. By adding a higher performing lift pump, such as this model Raptor 4G, you will ensure that your engine and injection pump are properly fed enough fuel while supporting 500 to 800 rear wheel horsepower applications.


Unsure of whether you need the Raptor 100 or the Raptor 150?
Put it this way...if your truck is stock, or moderately stock (70hp chip) you want the 100. If you've added a chip or two, larger injectors, or even a modified CP3, you will want the 150.