11 best electric vacuum pump for brakes

An electric vacuum pump for brakes is a crucial component in automotive brake systems, especially in modern vehicles equipped with power brakes or vacuum-assisted brake boosters. This device is designed to create a vacuum in the brake booster, which enhances braking performance and makes it easier for the driver to apply the brakes with less effort.

Here are some key points about electric vacuum pumps for brakes:

  1. Function: The primary function of an electric vacuum pump for brakes is to generate the necessary vacuum pressure in the brake booster. This vacuum assists the driver in applying the brakes with minimal pedal effort, making braking more efficient and safer.

  2. Power Source: These pumps are electrically powered, typically drawing power from the vehicle's electrical system. They are commonly found in vehicles with hybrid or electric powertrains that may not have an internal combustion engine to generate vacuum naturally.

  3. Operation: When the driver presses the brake pedal, the electric vacuum pump activates to create vacuum pressure in the brake booster. This vacuum helps amplify the force applied to the brake pedal, resulting in more effective braking.

  4. Maintenance: Electric vacuum pumps for brakes require regular maintenance to ensure they function properly. This includes checking for leaks in the vacuum lines, inspecting the pump itself for any signs of wear or damage, and ensuring electrical connections are secure.

  5. Safety: A reliable brake vacuum pump is crucial for safety, as it ensures consistent and responsive braking performance. Any issues with the pump can lead to reduced brake effectiveness and compromised safety.

  6. Air Conditioning Line Repair Tools: While electric vacuum pumps for brakes are not directly related to air conditioning line repair tools, they are both essential components in the automotive repair and maintenance industry. Automotive technicians often use a variety of tools and equipment, including vacuum pumps, to perform tasks such as vacuuming air conditioning systems to remove moisture and air before refrigerant is added.

  7. Automotive Tools and Equipment: Electric vacuum pumps for brakes are just one example of the many tools and equipment used in automotive repair and maintenance. Mechanics and technicians rely on a wide range of specialized tools to diagnose, repair, and maintain vehicles.

In summary, electric vacuum pumps for brakes play a critical role in modern automotive braking systems by creating vacuum pressure in the brake booster to enhance braking performance and driver safety.These pumps are essential components in the automotive repair and maintenance industry, ensuring that vehicles operate safely and efficiently.

Below you can find our editor's choice of the best electric vacuum pump for brakes on the market
  

Dracarys 28146 Electric Vacuum Pump Kit For Brake Booster Vacuum Pump Electric Vacuum Pump For Brakes

Based on 166 reviews Check latest price

Product description

Dracarys New 12V Electric Brake Vacuum Pump Kit for Booster 28146

Our products are in high quality and export to many countries including USA Europe countries and other places.We ship from the USA,so you will receive as soon as possible after you paid.

 

Ⅰ.PROMOTIONS➜

Now each set of $199 dollars, the value is super cost-effective, the quality is guaranteed!

 

Ⅱ.PRODUCTS INCLUDE➜

Vacuum Pump one,Pressure Switch one,Power Relay one,Fuse Holder one,Ring Connect one,Bolts one,Bullet Connects one,Pump Mounts one,Quick Connects 1/4 four,Washers/Nuts 10 each,Tubing one(72in),Brown Wire 1 volume(108in).

 

Ⅲ.HOW TO INSTALL?➜

We have prepared the installation instructions for you, which explains how to install the vacuum pump and some special precautions, problems that may arise, etc.

 

Ⅳ.FACTORY INSPECTION➜

The vacuum pump must be inspected and tested before leaving the factory.

 ✔Motor idle current test

 ✔visual inspection after assembly

 ✔The finished product air current is within the qualified range

 ✔Load test pressure(Inspiratory ,Sonar, Leakage Test)

 

Ⅴ.PRODUCT WARRANTY➜

This Product carries a limited year warranty against manufacture defects. Failure to properly install or use the product as intended, or modifying the product and/or components of the kit, will void the manufacturer's warranty.

 

Ⅵ.CONTACT US➜

If you have any problems please contact us.Thank you for your purchase!

  • ➤12V Electric Vacuum Pump,performance brakes 28146 electric vacuum pump kit. Complete installation accessories.There are detailed installation instructions in the package. If you miss the accessories or instructions, please contact us. We also provide quality assurance.
  • ➤Booster Vacuum Pump,help the vacuum pump to amplify the brake effect by vacuum.At -0.004MPA to -0.006MPA, the switch is turned on and the vacuum pump is running.The pump is designed to kick on when the vacuum falls below -0.04 MPA and kicks off around -0.06 MPA.So the pump is not always running,it will do an intermittent job according to the degree of vacuum.
  • ➤Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.
  • ➤Products include vacuum pumps and other accessories(Pressure Switch,Power Relay,Outlet Muffler,Fuse Holder,Ring Connect,Bolts,Bullet Connects,Pump Mounts,Quick Connects 1/4,Washers/Nuts,Tubing,Brown Wire).
  • ➤New outlet muffler included at present,decrease decibel.High quality,easy installation.(Package with installation instructions).

Leed Brakes Electric Vacuum Pump Kit - Black Bandit Series (VP001B)

Leed Brakes

Based on 51 reviews Check latest price

Product description

The LEED Brakes Bandit series vacuum pump provides an efficient, quiet and vibration free solution for your brake vacuum assist needs. The LEED Brakes vacuum pump used in our kit is a Rotary Vane style pump which is 60% quieter than the noisy Piston Style pumps on the market today. The Bandit series vacuum pump is also 30% more efficient giving you the required vacuum in less time which extends the life of the pump and makes your ride much more enjoyable. Each brake vacuum booster is pre-wired and tested on the assembly line to assure a trouble-free and easy installation. Installation is a breeze with a 2-wire power hookup and base-plate mounting template. The Black Bandit vacuum pumps are concealed in a Patent Pending Black canister. With the Black Bandit and Chrome Bandit you do have the option to remove the pump assembly as one unit from the canister turning it into a Naked Bandit to be mounted in most tight spaces. If you're tired of a rock hard power brake pedal or you simply want a quieter solution with an easy installation give the LEED Brakes Bandit Vacuum Pump a try today. Check Out this article on our Bandit Series Electric Vacuum Pumps by Hotrod Network, New, Quiet Vacuum Pump by Leed Brakes Gets Our Attention.

  • 60% Quieter
  • 30% more Efficient
  • Pre-wired and tested on the assembly line to assure a trouble-free and easy installation
  • Fit type: Vehicle Specific

User questions & answers

Question: How far away from the booster can you mount the pump
Answer: We have had many customers mount the vacuum pump in the trunk of their vehicle. A distance such as that has not affected the performance of the pump.
Question: is this durable
Answer: Only have it a lil while. Its quiet, small and seems to be well made. A bit pricy however Im pushin 600hp and stopping was on the top of the check list.
Question: What is the size of this unit
Answer: Hello, Thanks for looking at LEED Brakes! This is 7.750" tall and 6.750" wide. Greg
Question: Will this pump provide enough vacuum in stop and go traffic, or is a vacuum tank required with this
Answer: Hello, The pump is made to keep up well with average driving, however it will provide more reserve i heavy traffic with a canister installed as well. I hope this helps. Thanks! Dave

Tuningsworld Electric Vacuum Pump Kit w/Vacuum Hose Pressure Switch for Brake Booster 12 Volt 18" to 22"

Based on 3 reviews Check latest price

Product description

Condition

100% brand new

Specification

Rated Voltage: DC 12V

Working Voltage: DC 9V-16V

Working Temperature: -30°C --+85°C

Dimension: 206.2 * 108 * 163.6 mm

Outlet Flow: 2600L/H

Inlet Diameter: Φ12

Outlet Diameter: φ14

Placement on Vehicle: Front, Left, Right

Packing Contents

1- 12 volt pump

1- relay

1-vacuum pressure switch

1- vacuum hose.

1- mounting hardware kit.

Feature

Ideal for cars when the proper amount of vacuum is not being generated.

Recommended for cars with 15" of vacuum or less at idle.

Hooks directly to your booster

Great on street rods with radical camshafts

All wiring included with connections for fast and easy installation

Self adjusting inline vacuum switch, cycles the pump on & off

Reduced vibration

All necessary mounting hardware included

All wires are pre-cut and terminals installed for easier installation

Provide vacuum to power brake booster ,Operates when vacuum drops below 18 inches and turns off when over 22 inches.

Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.

Note

* Professional installation is highly recommended (No Instruction Included)

* For any needs please contact us!

  • Ideal for cars when the proper amount of vacuum is not being generated.Recommended for cars with 15" of vacuum or less at idle.
  • All wiring included with connections for fast and easy installation.Hooks directly to your booster.
  • Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.
  • Provide vacuum to power brake booster ,Operates when vacuum drops below 18 inches and turns off when over 22 inches.

maXpeedingrods Electric Vacuum Pump Kit Set for Brake Booster 12 Volt 18" to 22" 28146

Based on 10 reviews Check latest price

Product description

Feature

Ideal for cars when the proper amount of vacuum is not being generated.

Recommended for cars with 15" of vacuum or less at idle.

12 Volt

Hooks directly to your booster

Great on street rods with radical camshafts

All wiring included with connections for fast and easy installation

Self adjusting inline vacuum switch, cycles the pump on & off

Reduced vibration

All necessary mounting hardware included

Exhaust filter

All wires are pre-cut and terminals installed for easier installation

Provide vacuum to power brake booster ,Operates when vacuum drops below 18 inches and turns off when over 22 inches.

Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.



Package Include

1- 12 volt pump

1- relay

1-vacuum pressure switch

1- vacuum hose.

1- mounting hardware kit.

  • Packing include:1- 12 volt pump1- relay1-vacuum pressure switch1- vacuum hose. 1- mounting hardware kit.
  • Ideal for cars when the proper amount of vacuum is not being generated.Recommended for cars with 15" of vacuum or less at idle.
  • All wiring included with connections for fast and easy installation.
  • Provide vacuum to power brake booster ,Operates when vacuum drops below 18 inches and turns off when over 22 inches.
  • Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.

User questions & answers

Question: I realize that I have Dementia and don't understand anything anymore, but it would help me if they showed what the vacuum hoses connect to
Answer: The hose goes on the open fitting not the one with the bronze filter. The sucky side
Question: What are the pump's dimensions
Answer: Not sure an vehicles in storage,i wld guess 4"x 7-8" its not that big at all,but.....my big block has 6" of vaccuum, been that way for years, this pump is amazing and i now have the same if not better brakes than my new daily driver,so it dont matter how big it is,make er fit an you will be happy!

Xiaoyudou 904-214 Precision Electric Vacuum Pump for Ford E-350 E-450 F-250 F-350 F-450 F-550 Super Duty F650 F750 Excursion 1999-2010 6.0 6.4 6.8 7.0 7.3L Dodge Ram 2500 3500 5.9L 03-04

Based on 8 reviews Check latest price

Product description

Fits:

 

--Dodge Ram 2500 Pickup 2003-2005,

 

--Dodge Ram 3500 Pickup 2003-2005,

 

--Ford E-350 2004-2007,

 

--Ford E-450 2000-2007,

 

--Ford E-550 2002-2003,

 

--Ford Excursion 2000-2005,

 

--Ford F-150 2005-2007,

 

--Ford F-250 Super Duty 1999-2007,

 

--Ford F-350 Super Duty 1999-2007,

 

--Ford F-450 Super Duty 1999-2007,

 

--Ford F-550 Super Duty 1999-2007

  

Packing Including:

 

1x Vacuum Pump kit

  • ✔【Features】The electric vacuum pump can monitor the change of the vacuum degree in the booster through the vacuum degree sensor, thereby ensuring that the driver can provide sufficient boosting effect under various working conditions. Our vacuum pump can reverse problems by reducing, eliminating or even putting a negative pressure on the engine. It can make better ring seal, less or no oil contamination, less oil leaks, cleaner oil, longer engine life and more horsepower.
  • ✔【Advantage】Engine builder can use lower friction ring packages because the resulting blow-by is mitigated by the Vacuum pump. There is always plenty of vacuum capacity,it ensures compliance with the latest safety standards, while maintaining reliable operation of the brake system.
  • ✔【Upgrade】Made with high-quality materials to insure it lasts longer than the factory part,meets or exceeds OEM standards,strict testing ,achieving long lasting durability and reliability.
  • ✔【Adaptation model】904-214 53032373AA 4C3Z 2A451 BA 53032373AB,6C3Z-2A451-A For Ford F-250 Super Duty, F-350 Super Duty, F-350 Super Duty, F-450 Super Duty, F-550 Super Duty, Dodge Ram 2500, and Dodge Ram 3500 pick-ups from 2007 to 1999.
  • ✔【Quality Assurance】 We offer TWO-years warranty,each product undergoes quality inspection before shipment, true worry-free shopping experience.

User questions & answers

Question: What is the guarantee
Answer: Its intended for vacuum assist power brakes on street / strip cars with high lift cams have little to no vacuum. This is not intended to be used for a crankcase evacuation system used in race only engines. Maybe you can try it.

JEGS Electric Vacuum Pump Kit | Provides Between 18” - 22” Hg of Vacuum | Includes Vacuum Pump, Hose, Switch & Pigtail, Vibration Isolators, 10 Amp Fuse, 12 Volt DC / 84 Watt Relay, and Hardware

Based on 13 reviews Check latest price

Product description

Electric Vacuum Pump Kit

  • 18" to 22" (Hg)

    Includes:
  • Vacuum Pump
  • Vacuum Hose
  • Vacuum Switch with Pigtail
  • Vibration Isolators
  • 10 Amp Mini Blade Fuse
  • 12 Volt DC, 84 Watt Relay
  • Installation Hardware

    • PROVIDES THE NECESSARY VACUUM FOR POWER BRAKES when the camshaft has been upgraded or the engine doesn’t supply more than 16” of vacuum
    • MAINTAINS BETWEEN 18” - 22” Hg OF VACUUM for proper operation of power brake booster
    • INCLUDES: Vacuum Pump, Hose, Switch & Pigtail, Vibration Isolators, 10 Amp Fuse, 12 Volt DC / 84 Watt Relay, and Hardware
    • COMPACT DESIGN fits in most engine compartments
    • EASY TO INSTALL with included instructions
  • User questions & answers

    Question: does this product come with any warranty
    Answer: I found it to work better with a canister and a in line non return valve.
    Question: can i run the pump as a booster to my vacuum from my manifold to my brake booster
    Answer: Hi,To prevent the screw from coming loose in transit, The adjustment screw of the switch has been glued with glue.If you have any questions, you can contact us at any time.
    Question: Does anyone have the nosie decible rating of this pump
    Answer: There is a switch in the vacuum pump set.I highly recommend a relay to turn on the pump, and a vacuum switch to turn the relay on and off. It is cheaper than buying a vacuum actuated relay.

    Leed Brakes Electric Vacuum Pump Kit - Chrome Bandit Series (VP001C)

    Leed Brakes

    Based on 5 reviews Check latest price

    Product description

    The LEED Brakes Bandit series vacuum pump provides an efficient, quiet and vibration free solution for your brake vacuum assist needs. The vacuum pump used in our kit is a Rotary Vane style pump which is 60% quieter than the noisy ?Piston Style? pumps on the market today. The Bandit series vacuum pump is also 30% more efficient giving you the required vacuum in less time which extends the life of the pump and makes your ride much more enjoyable. Each vacuum power booster is pre-wired and tested on the assembly line to assure a trouble-free and easy installation. Installation is a breeze with a 2-wire power hookup and base-plate mounting template. The Chrome Bandit vacuum pumps are concealed in a Patent Pending Chrome canister. With the Chrome Bandit and Black Bandit you do have the option to remove the pump assembly as one unit from the canister turning it into a Naked Bandit to be mounted in most tight spaces. If you're tired of a rock hard power brake pedal or you simply want a quieter solution with an easy installation give the LEED Brakes Bandit Vacuum Pump a try today. Check Out this article on our Bandit Series Electric Vacuum Pumps by Hotrod Network, New, Quiet Vacuum Pump by Leed Brakes Gets Our Attention.

    • 60% Quieter
    • 30% more Efficient
    • Pre-wired and tested on the assembly line to assure a trouble-free and easy installation
    • Fit type: Vehicle Specific

    User questions & answers

    Question: Can this be mounted in the trunk instead of under the hood? 68 Barracuda. Thanks in advance
    Answer: IT'S SLIIGHTLY NOSIE VENTED MINE INTO INTAKE MANIFOLD WORK'S FINE ON MY 73 MERCEDES 280
    Question: Would this "power" an entire vehicle? Could I use this on a turbo powered car with no vacuum to speak of
    Answer: 2 year warranty

    Power Brake Booster Vacuum Pump Assembly 20804130 31317530

    Based on 72 reviews Check latest price

    Product description

    Brake booster vacuum pump fits turbo car, electric car, car with automatic start-stop function. Cadillac CTS 2008-2014 Cadillac STS 2008-2011 Chevrolet CAMARO 2010-2015 Chevrolet CAPRICE 2016-2017 Chevrolet HHR 2008-2010 Pontiac SOLSTICE 2007-2009 Saturn SKY 2007-2010 Volvo C30 2008-2013 Volvo C70 2006-2013 Volvo S40 2001-2011 Volvo V40 2001-2004 Volvo V50 2005-2011

    • 009428081 30793053 Vacuum Pump, Carbon commutator, highly wear-resisting
    • Low noise, high performance, long service life
    • Rotary vane structure avoids piston vacuum pump pressure gradually decline problem
    • Working enviroment temperature -40 to 120, working life lasts 500000 times
    • Excellent NVH

    User questions & answers

    Question: Just received this pump today. The seller Buma says it is self regulating and will shut off when it reaches max vacuum. Why does mine never shut off
    Answer: The switch is a separate part without wiring harness
    Question: How much vacuum will it pull.will it work for a motor that produces low vacuum
    Answer: Hello, I have had many people mount these in the trunk. We just recommend using a hard line or tubing rather from front to back with rubber on the ends, that you attach to prevent any kinking of sorts in between the pump and booster. Dave
    Question: fit volvo 2005 s
    Answer: The pump is a standalone unit designed to operate a vacuum-assist power brake booster. It can be used on any vehicle that requires vacuum. If you plan to run vacuum accessories you would want to consider adding a vacuum reservoir to the system.
    Question: I have one of these pumps on my 1967 Charger and it only pulle 18.5" and shuts off. I there a way to get it to pull the advertised 2'2-23" vacuum
    Answer: Don't know. It didn't fit needs so I returned it.
    Question: Does it come with a wiring harness? If not, how do I connect wires to it for a custom application
    Answer: Yes. You can really run it from any vacuum source. It’s going to add and maintain the pressure as you drive. Mine kicks in and off. I think it sits at 16-19psi.

    RANSOTO Power Brake Booster Auxiliary Pump Electric Vacuum Pump Assembly Compatible with Chevrolet CAMARO VOLVO V40 Cadillac CTS Replace Part Number 20804130 31317530 009428081

    Based on 20 reviews Check latest price

    Product description

    Compatible with :

    Compatible with Cadillac CTS 2008-2014 

    Compatible with Cadillac STS 2008-2011 

    Compatible with  CAMARO 2010-2015

    Compatible with  CAPRICE 2016-2017

    Compatible with  HHR 2008-2010

    Compatible with Pontiac SOLSTICE 2007-2009 

    Compatible with Saturn SKY 2007-2010

    Compatible with Volvo C30 2008-2013 

    Compatible with Volvo C70 2006-2013

    Compatible with Volvo S40 2001-2011 

    Compatible with Volvo V40 2001-2004 

    Compatible with Volvo V50 2005-2011

    • Please check the Replace Part Number before buy it
    • Working life more than 500000 times
    • High performance,Low noise,and Long life
    • Replace Part Number 20804130 31317530 009428081 30793053

    User questions & answers

    Question: How much vacuum does this unit make
    Answer: It is not self regulating. A switch will have to be installed
    Question: How many amps does this pump draw
    Answer: It pulls around 21 hg and yes it helps the engine and power brakes
    Question: Is this pump rotary vane
    Answer: Yes, the vacuum pump will fit your vehicle, thank you!
    Question: I like to know if this brake booster vacuum pump, comes with a internal switch to turn on and off the pump to keep the right vacuum pressure
    Answer: Yes install a in line check valve between the pump and booster

    Auxiliary Electric Vacuum Pump Assembly Fits for Chevrolet Cadillac CTS CAMARO CAPRICE HHR SOLSTICE Saturn Volvo C30 C70 S40 V40 V50 2001-2016, Power Brake Booster 20804130 31317530 009428081 30793053

    Based on 1 reviews Check latest price

    Product description

    The vacuum assist effect of the brake system is related to the driving safety of the car. In the automobile brake boosting system, the vacuum booster cannot obtain vacuum or the vacuum obtained is insufficient, which will result in a poor boosting effect of the braking system.

    The electric vacuum pump can monitor the vacuum degree change in the booster through the vacuum degree sensor, thus ensuring that the driver can provide sufficient boosting effect under various working conditions.

    The performance of the car vacuum pump is broken, with poor brake copy performance or no brake effect, and sometimes it may fail; from the appearance, it can be seen that there is oil leakage at the external connection of the vacuum pump, and the brake pedal returns slowly or not.

    Vacuum pumps cannot be repaired in general, and only a new electronic vacuum pump can be replaced after damage occurs.

    Features:

    Fast speed and high vacuum degree, it can pump the vacuum degree in the 2 liter vacuum bottle to more than 0.09 within ten seconds.

    Light weight 960 grams, small size, low power, after working continuously for 12 hours, the current is 2.5 to Between 3A, the power is only 50-60W, and the noise is small.

    Replace part number: 20804130 / 20939309 / 31317530 / 009428081 / 20914523 / 178-0884 / 20997418 / 009428-08 / 26110FJ00 / 30793053

    Compatible Models:

    fits for Cadillac CTS 2008-2014

    fits for Cadillac STS 2008-2011

    fits for Chevrolet CAMARO 2010-2015

    fits for Chevrolet CAPRICE 2016-2017

    fits for Chevrolet HHR 2008-2010Pontiac SOLSTICE 2007-2009

    fits for Saturn SKY 2007-2010

    fits for Volvo C30 2008-2013

    fits for Volvo C70 2006-2013

    fits for Volvo S40 2001-2011

    fits for Volvo V40 2001-2004

    fits for Volvo V50 2005-2011

    Packing: 1* electric vacuum pump.

    • Auxiliary Pump Assembly Fitment: Power brake booster fits for Cadillac CTS 2008-2014, fits for Cadillac STS 2008-2011, fits for Chevrolet CAMARO 2010-2015, fits for Chevrolet CAPRICE 2016-2017, fits for Chevrolet HHR 2008-2010, fits for Pontiac SOLSTICE 2007-2009, fits for Saturn SKY 2007-2010, fits for Volvo C30 2008-2013, fits for Volvo C70 2006-2013, fits for Volvo S40 2001-2011, fits for Volvo V40 2001-2004, fits for Volvo V50 2005-2011.
    • Replace Part Number: 20804130 / 20939309 / 31317530 / 009428081 / 20914523 / 178-0884 / 20997418 / 009428-08 / 26110FJ00 / 30793053, please check the part number before buy it, offering the quality, reliability and durability of OE.
    • Function: Vehicles that can provide a vacuum source for the engine intake pipe, work independently of the engine, and parallel to the intake pipe vacuum pipe to make up for the lack of vacuum in the engine intake pipe in some cases; The use of electric vacuum pumps can ensure that the vacuum degree in the booster is maintained at a certain level, provide good braking performance for the driving of the car, and ensure the safety of driving.
    • Feature: The Power brake booster has a fast vacuuming speed and a high vacuum degree. It can pump the vacuum degree in a 2 liter vacuum bottle to more than 0.09 within ten seconds. Moreover, the product has a light weight of 960 grams, a small size, and a small power. After 12 hours of continuous operation at DC12V, the current is between 2.5 and 3A. The power is only 50-60W, and the noise is small, Packing 1* electric vacuum pump.
    • Customer Service: You will get 24-months service, hassle-free return and money back policy, after repeated testing and comparison, the product has the characteristics of superior performance, long service life and low power consumption, buy with confidence! If you have any questions, please contact us by email, we will reply you within 12 hours.

    User questions & answers

    Question: Is pump quiet and are instructions included
    Answer: I believe it is a rotary vane vacuum pump. A diaphragm pump would not likely have this kind of housing. This pump is not very loud, you can hear it though. I was surprised by the low amp draw and I measured sufficient vacuum to support the brake booster. I believe it was 22 or 23hg.
    Question: how many amps does it draw ?? how much vacuum will it produce
    Answer: I received the pump only, without a pressure switch. It was advertised without switch.

    Semcto DP300 Electric Vacuum Pump Kit for Brake Booster Vacuum Pump Electric Vacuum Pump for Brakes

    Product description

    Working Temperature : -40℃-+120℃

    Noise : ≤70dB

    Nominal Current : 7A@12V

    Protection Level : IP66


    • 12V Electric Vacuum Pump,performance brakes DP300 electric vacuum pump kit. If you miss the accessories or instructions, please contact us. We also provide quality assurance.
    • Booster Vacuum Pump,help the vacuum pump to amplify the brake effect by vacuum.The pump is not always running,it will do an intermittent job according to the degree of vacuum.
    • Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.
    • Products include vacuum pumps and other accessories(Pressure Switch,Power Relay,Fuse Holder,Pump Mounts,Tubing).
    • New outlet muffler included at present,decrease decibel.High quality,easy installation.

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