K&N 81-0401 Electric Fuel Pump, Inline, 25 GPH, 4 PSI, 5/16 Inch Line
K&N 81-0401 Electric Fuel Pump, Inline, 25 GPH, 4 PSI, 5/16 Inch Line
K&N

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#465810401

K&N 81-0401 Electric Fuel Pump, Inline, 25 GPH, 4 PSI, 5/16 Inch Line

  • The universal design fits most applications
  • Engineered to eliminate vapor lock and flooding
  • Will pump 25 gallons per hour between 1.5 and 4 psi
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PSI:

1.5-4 PSI

1-2 PSI4-7 PSI7-10 PSI

$78.99

/each

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Product Summary

Universal Fit, External Electric Fuel Pump Type, Inline

  • The universal design fits most applications
  • Engineered to eliminate vapor lock and flooding
  • Will pump 25 gallons per hour between 1.5 and 4 psi
  • A self-priming design provides a quiet running volume
  • It is compatible with diesel, biodiesel, gasoline, E85, methanol, ethanol, alcohol and other fuels
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Key Specs

MFG. Part #81-0401
BrandK&N
Electric Fuel Pump TypeExternal
Free Flow Rate25 GPH / 95 LPH
Maximum Pressure4 psi
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K&N 81-0401 Details

This fuel pump from K&N provides premium quality fuel system hardware with a universal design that fits a wide variety of applications. This 12-volt pump helps prevent vapor lock and flooding. 

  • Compatible with diesel, biodiesel, gasoline, E85, methanol, ethanol, alcohol and other fuels
  • Universal design fits most applications
  • Pumps 25 gallons per hour between 1.5 and 4 psi
  • Self-priming design provides a quiet running volume
  • Eliminates vapor lock and flooding
  • Fuel filter and installation hardware is included

Warranty Information

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K&N 81-0401 Specifications

KEY SPECS
MFG. Part #81-0401
BrandK&N
Electric Fuel Pump TypeExternal
Free Flow Rate25 GPH / 95 LPH
Maximum Pressure4 psi
GENERAL
InlineYes
Electric Fuel Pump Inlet Fitting(s)5/16" Hose Barb
Electric Fuel Pump Outlet Fitting(s)5/16" Hose Barb
Material TypePlastic
Sold in QuantityEach
NotesIncludes fuel filter, self-regulating.
GTIN Code024844350817

Ratings & Reviews

4.9

9 Reviews

Overall Assessment

Customers highly rate the product for its quality, efficiency, and easy installation. They praise its flawless performance when installed on various car models like hot rods and a 34 pickup. The product is distinguished for its low noise operation, suitable for quiet applications, and for being a reliable, well-designed, electric fuel pump. It consistently outperforms competitors, leading to several recommendations and repeated purchases. Many customers have affirmed they would buy the product again due to its outstanding performance and affordable price.

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4.9

9 reviews

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Yes

5.0

9 months ago

Chi

Waynesville nc

Verified

perfect ,well designed

Would Recommend

Satisfied with product

5.0

3 years ago

Preston Clark

MD

Verified

It works good!

Would Recommend

Electric fuel pump

5.0

4 years ago

Dennis' Hot Rod Shop

Portland Oregon

Verified

Second one I have installed on hot rods worked perfectly both times

Would Recommend

I would buy again

5.0

4 years ago

Laurie

Fulton ll

Verified

Good quality. Low noise when 1st start.

Would Recommend

reliable fuel pump, works well.

5.0

6 years ago

Buzzards Racing

Nevada City, CA

Verified

installed on my 34 pickup and has been working great.

Would Recommend

I will buy again

5.0

8 years ago

flathead

Ohio

Verified

works great easy to install

Would Recommend

Great fuel pump

5.0

8 years ago

Billy Jack

Arizona City Arizona

Verified

Fuel pump was easy to install And works great can't beat the price

Would Recommend

Easy installation, product performed flawless

4.0

10 years ago

cruzerjohn

Rochester MN

Verified

I installed the electric fuel pump in my 350+ small block chevy powered 35 Ford, it performed great!!!

Would Recommend

Well designed

5.0

10 years ago

Gtoman

Midwest

Verified

Application is for a station wagon. Quiet operation required because of fuel tank location. And the pump is needs to be behind a panel and not be heard in

Would Recommend

Showing 9 of 9 reviews

Questions & Answers

9 Questions • 14 Answers

i am running 3 super 7 carbs which kn pump should I be running ..I would like to use no regulator...small block chevy...Do I use this pump or the 2 psi kn pump

by joe

• 7 years ago

1 answer

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I have a 331 hemi with a 1405 elder 4 barrel . Don't know hp thing about 295 -300 hp. Electric pump is at the rear of car. Don't know psi it would take to push the gas up to the carb.would this do it?

by Hedog

• 8 years ago

2 answers

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So this pump will work with the 9 super 7 3x2 part#9251220? No regulator is required? and no return to fuel tank required?

by mike

• 8 years ago

5 answers

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Will this fuel pump work with holley 390cfm on a offenhauser 4-barrel manifold for ford flathead V8. What is the psi needed?

by Levi

• 9 years ago

1 answer

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This pump is recommended for Tripower stromberg 97 in my flathead, or require more psi?

by Juan

• 10 years ago

1 answer

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I have 3/8" aluminum tubing as my existing fuel line, what fittings would i need to eliminate the barbed type fittings that come with this pump?

by Mr Learnin-as-i-go

• 10 years ago

1 answer

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Can you specify fuel line size based on barb fittings supplied with the pump?

by Dan

• 10 years ago

1 answer

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I'm installing a turbo on my drag bike Will be approx 300hp Carby can only handle 2psi Will 25GPH be enough for 300hp and can it be set at 2psi or will i need a regulator?

by Johnny B

• 10 years ago

1 answer

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If I use this in line with a mechanical fuel pump, will the mechanical pump be able to pull fuel through the electric when the electric pump is not on

by 50F1Jeff

• 11 years ago

1 answer

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