SKU: 54242003156

AEM High Flow 400LPH Metric Inline Fuel Pump - 044 Style

Sale price$101.22 Regular price$112.47
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Description

AEM High Flow 400LPH Metric Inline Fuel Pump - 044 StyleAEMs 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.

Features

  • 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

Technical Specs

  • Weight: 35.8oz (1015 grams)
  • Outside Diameter: 60mm
  • OD External Materials: Black plated steel with laser etching
  • Inlet Fitting: M18X1.5 female
  • Outlet Fitting: M12x1.5 male
  • PRV Activation: 150 PSI
  • Impeller Design: Roller vane with ceramic end plate

    VOLTAGE SPECS
  • Connector Terminal: 6mm stud positive, 5mm stud negative
  • Min Voltage Input: 10 volts
  • Max Voltage Input: 18 volts
  • Current Draw (40 psi): 9.73 amps no check valve, 10.68 amps with check valve (13.5v)
  • Current Draw (120 psi): 16.07 amps no check valve, 17.13 amps with check valve (13.5v)
  • Fuse: 25 amps (13.5v)

 *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.

Note:
Your vehicle’s factory fuel pump wiring may not be adequate enough to handle the current draw of AEM’s High Flow Fuel Pump. Please refer to the Electrical Requirements section in the instructions document for proper wiring. You can download a copy of the instructions below.

Although AEM’s High Flow Fuel Pumps are the same physical size as many OEM fuel pumps, they may not be appropriate for a specific application. You can consult the Vehicle Search function on our website to see whether a pump is recommended for your vehicle. The Vehicle Search function should be used as a reference only. It is imperative that you check the fuel pump sizing for your vehicle before purchasing an AEM High Flow Fuel Pump.

AEM does not condone or approve of the modification of a tank to accommodate a High Flow Fuel Pump and cannot guarantee the pump’s performance or operation if any modifications are made.performance or operation if any modifications are made.

AEM Instruction Manual & Tech Sheet

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 54242003156

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Happy Face
Birmingham, US
★★★★★ 5
Duck-time is play-time! Exactly what a dog toy should be!
Duck hunting for your living-room princess-pal best buddy goodest puppy in the world! Every dog deserves a chance to be a heroic duck hunting hero! This dog toy is a favorite of my pup. Duck-time is play time! This duck is made with several fabulous textures. There's a ropey texture around the neck, a burlap type texture for the body and head, and a felt-like texture for the bill and feet. My dog immediately tore the feet off! He always removes any hanging bits from all toys, so that's not a comment to the detriment of this product. He's working on the wings, now. My dog likes to chase this toy when I throw it or play tug-of-war with it, or is willing to sit and chomp on it by himself for a while. The rope is intact, still! This is exactly what a dog toy should be! Give your little buddy a hunting trophy!
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Reviewed in the United States on November 2, 2025
B
Buyerone
Louisville, US
★★★★★ 2
Speaker broken
This toy is advertised as having a squeaker, but the one we had was defective and did not make any noise. Our dog still throughly enjoyed ripping this little duck to shreds through. The material was thicker than I was expecting but still only took our dog about 5 mins to completely destroy it (Golden retriever). I understand that this toy is marketed as for small dogs so I get that, but took away three starts because our came with the broken squeaker and for $10, you can find a lot better toys at TJ Max. This item is not a good value for our experience.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2025
A
Amazon Vine Reviewer
Chelsea, US
★★★★★ 5
Durable duck toy for man’s best friend
Although it was suggested that this toy would be best for small breeds, I found that it’s durable enough for my 80 pound Irish setter! It has literally become his best friend. He takes it everywhere he goes! There’s a small squeaky noise that comes from the neck area that he has to work to find. I’m sure he will eventually destroy this as he has with all his other toys, but it’s really holding up much better than anticipated. It is well worth the $10 cost.
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Reviewed in the United States on November 9, 2025
T
Ted and Katie
Natrona Heights, US
★★★★★ 5
Really cute, well made dog toy. Was a huge hit with our pup
This toy was a big hit! Pros - love the heavy duty burlap-kinda fabric. Our new puppy has razor sharp teeth but this fabric is holding up really well. - size is great for a variety of breeds - shape is perfect for grabbing onto. Our puppy especially likes picking it up on the neck where the toy is more slender - the extra little feet and wing flaps add some interest that have really kept her occupied Cons - the squeaker is in the neck where the fabric has embellishments and is a little thicker. It's a little hard to activate the squeaker but maybe the toy/stuffing needs to get broken in more and then it will be easier to squeeze that section
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Reviewed in the United States on October 29, 2025
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Ladybug27
Battle Creek, US
★★★★★ 5
Best Balls Ever!!!
Size: Medium
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Reviewed in the United States on May 15, 2026

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