SKU: 8465652778

400LPH Metric Inline High Flow Fuel Pump

Sale price$116.05 Regular price$128.95
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Description

400LPH Metric Inline High Flow Fuel PumpAEMs 400lph Metric High Flow, high pressure Inline Fuel Pump (PN 50 1009) is the perfect direct replacement upgrade for 044 pump users who want more fuel flow for their high performance vehicle! The 400lph Metric High Flow Inline Fuel Pump has an M18X1. 5 female inlet and M12x1. 5 male outlet. It utilizes the industry standard 044 Style envelope. It is capable of supporting over 1,200 HP normally aspirated and a whopping 860 HP at 30 psi boost!* It

AEM’s 400lph Metric High Flow, high pressure Inline Fuel Pump (PN 50-1009) is the perfect direct replacement upgrade for 044 pump users who want more fuel flow for their high performance vehicle!

The 400lph Metric High-Flow Inline Fuel Pump has an M18X1.5 female inlet and M12x1.5 male outlet. It utilizes the industry standard “044 Style” envelope. It is capable of supporting over 1,200 HP normally aspirated and a whopping 860 HP at 30 psi boost!* It flows 400lph (105 gph) at 40 PSI, 340 lph (90 gph) at 73 PSI, and 270 lph (71 gph) at 120 PSI. Complete flow curves from 35 to 120 PSI and current draw vs. fuel pressure charts are available on the Specs tab.

The AEM 400lph Metric High Flow Fuel Pump is rated for use with ethanol-blended fuels, (E85/E90) and all types of gasoline, but pump life will be diminished if used with 100% ethanol fuels.

-Designed for high output naturally aspirated and forced induction EFI vehicles
-Popular “044 Style” physical configuration with metric fittings for direct replacement of 044 pumps!
-Maintains very high flow even at boosted fuel pressures; 340 lph @ 73 PSI (30 psi boost)
-Each pump individually tested to flow minimum of 400lph (105gph) @ 40 PSI
-Compatible with Flex Fuel (E85/E90) and all types of gasoline (100% Alcohol fuels may diminish fuel pump life)
-Kit includes fuel pump, check valve fitting, terminal nuts & boots, instructions


*Power rating given using gasoline and assuming a base fuel pressure of 43 PSI, 13.5v at the pump, 6.2 lbs/gal with a BSFC of 0.65. Boost fuel pressure is assumed to be the base pressure of 43 PSI + boost pressure. Flow capability for horsepower support is ultimately dependent on fuel hose diameter, and system electrical voltage and amperage capabilities.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 8465652778

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merrylee
Massapequa, US
★★★★★ 5
Soft but Supportive, Sleeps Cool!
Size: Queen (Pack of 2)
Very comfortable and adjustable pillows. Good neck support for side and back sleeping. They feel cool and not too hot at night. Great value for a set of two. Happy with my purchase.
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Reviewed in the United States on May 9, 2026
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BLT090973
Waukegan, US
★★★★★ 4
LOVE IT but cooling depends on readjusting frequently
Size: Queen (Pack of 2)
I’ve actually been pretty happy with this product overall, especially for comfort and the initial cooling effect. When you first sit or lay on it, it definitely feels cool and refreshing, which is a huge relief if you run warm or live somewhere hot. Humanity continues its decades-long campaign against functional air circulation, so products like this are doing important work. That said, I do think it’s important to be realistic about expectations. The cooling effect doesn’t stay perfectly consistent in one spot forever. After sitting or laying in the same position for a while, the area naturally warms up and you’ll usually need to shift or readjust to feel the cooler sections again. It’s not “ice cold all the time” magic despite what some listings might make people imagine. Even with that limitation, I still think it works well and is worth purchasing. The materials feel comfortable, the quality seems solid, and it absolutely helps reduce heat buildup compared to regular fabric or cushions. I’ve found myself using it regularly, especially during warmer days and nights. So if you go into it understanding that movement/readjustment is part of how the cooling effect works, it’s actually a very good product and noticeably more comfortable than standard alternatives.
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Reviewed in the United States on June 3, 2026
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YuQiu Jiang
Charlottesville, US
★★★★★ 5
Large and thin
Size: Queen (Pack of 2)
This pillow is large and relatively thin, and it's not soft to the touch; it has a granular texture inside, which I prefer. However, it's too high and too soft for me.
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Reviewed in the United States on May 14, 2026
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Green Shadow's Fire🔥🔥🍏🍐🍈🌱🌲🌳🌴🍀🌿
Whiting, US
★★★★★ 5
Supple and soft pillow.
Size: King (Pack of 2)
Very supportive pillow soft and firm enough to keep your neck natural curve. Great value!
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Reviewed in the United States on May 20, 2026
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Jimmy H
West Palm Beach, US
★★★★★ 5
The best thing is coming with a pillow cover to protect the pillow!
Size: Queen (Pack of 2), Size: Queen (Pack of 2)
The item was out of my think. It was soft and in a right deep for me. if you like sleeping on a softy and not high pillow, this is good choice for you!
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Reviewed in the United States on May 26, 2026

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