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Mityvac MV6400 1 Gallon Fluid Dispensing System for Topping Off Fluid Reservoirs, Master Cylinders Includes 5 ft. Hose with Wand and Flow Control Valve

4.7 4.7 out of 5 stars 271 ratings
$161.25
MV6400
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Purchase options and add-ons

  • The MV6400 is intended for filling reservoirs with fluids such as engine coolant, motor oil, or wiper, automatic transmission, brake or power steering fluid. However, with the proper accessories it can safely be used to pressure bleed hydraulic brake or clutch systems, or refill or top-off sealed automatic transmissions.
  • An integrated manual pump dispenses fluid by pressurizing the 1.2 gallon (5 liter) reservoir and Includes a thumb-operated tilt valve that is conveniently located for manual pressure relief and doubles as a safety valve to prevent over pressurization.
  • Fluid is continually dispensed as long as there is pressure in the reservoir and freeing up the operator's hands; pumping is only required to build additional pressure.
  • The pump tube is sealed to prevent exposure to chemicals and cleans easily between fluid changes.
  • For convenience and speed, push-to-connect, quick-change-style couplers are used at both ends of the fluid dispensing hose.
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From the brand

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  2. Mityvac, Brake System Bleeding Tools, Fluid Evacuators, Refill Systems, Fuel Testers, Extractors

    Mityvac is a brand of vacuum-related automotive diagnostic and service repair tools since 1971. Beginning with the design of a single hand-held vacuum pump intended for medical applications, and broadening to automotive, industrial and consumer applications.

    Mityvac offers the products and systems for any brake and clutch bleeding application, air induction cleaning and compression testing, system evacuation or fluid refill applications.

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From the manufacturer

MV6400, Mityvac, pneumatic, air, air operated, ATF, refill system, adapters, popular cars, dispense

Mityvac MV6400 One Gallon Dispensing System for Topping Off Fluid

Covers Master Cylinders Includes 5 foot Hose with Dispensing Wand and Flow Control Valve

Additional Information

Mityvac is a brand of vacuum-related automotive diagnostic and service repair tools since 1971. Beginning with the design and patent of a single hand-held vacuum pump intended for medical applications, its uses broadened to include automotive diagnostics and service as well as industrial and consumer applications.

The Mityvac MV6400 is designed and intended for use to dispense fluid. It utilizes a manual pressure pump to build pressure in the reservoir. The pressure forces fluid to dispense out of the reservoir through a fluid pickup tube. The output of the fluid pickup tube is connected to a quick-change coupler, to which a variety of accessories can be attached to control or direct the flow of fluid according to the intended application.

Mityvac offers the products and systems you need for any brake and clutch bleeding application, air induction cleaning and compression testing, cooling system evacuation or refill application, for fluid handling and diagnostic applications.

MV7300, Mityvac, pneumatic, air operated, fluid evacuator, engine oil, transmission, ATF, dipstick MV7400, Mityvac, manual, hand operated, fluid evacuator, engine oil, transmission, ATF, dipstick MV7201, Mityvac, manual, hand operated, fluid evacuator, engine oil, transmission fluid, dipstick MV6400, Mityvac, manual, hand operated, one gallon, fluid dispensing, topping off, master cylinder MV6410, Mityvac, pneumatic, air, air operated, ATF, refill system, adapters, popular cars, car model
Mityvac MV7300 Pneumatic Air Operated Fluid Evacuator Mityvac MV7400 Manual Fluid Evacuator with Accessories Mityvac MV7201 Manual Fluid Evacuator and Dispenser Plus Mityvac MV6400 One Gallon Fluid Dispensing System - Topping Off Fluid Reservoirs Mityvac MV6410 Pneumatic Air Operated ATF Refill System - Top Off Transmissions
Customer Reviews
4.7 out of 5 stars
1,808
4.3 out of 5 stars
1,327
4.6 out of 5 stars
4,080
4.7 out of 5 stars
271
4.5 out of 5 stars
156
Price $108.68 $79.69 $119.29 $161.25 $265.00
Manual or Pneumatic Pneumatic Manual Manual Manual Pneumatic
Vacuum or Pressure Vacuum Vacuum Both Pressure Pressure
Bleed Accessories Included Included Not Included Not Included Included
Multi-Fluid Capable Yes Yes Yes Yes Yes

Frequently Asked Questions

Q: What accessories come with this product?

A: The MV6400 includes one 5 foot dispensing hose with valve, one 12 inch dispensing wand and one hanging hook.

Q: How can this product be cleaned between uses?

A: Depending on the type of fluid and future intended use, you may store the remaining fluid from the reservoir. Otherwise empty the reservoir, clean it with denatured alcohol or a common household cleaner, and store it properly. Hoses can be flushed after fluid change to prevent cross contamination.

Q: How much pressure can this product build?

A: The MV6400 has a built-in pressure relief valve designed to open and maintain maximum pressure-sure between 17 and 23 psi (1.2 and 1.6 bar) and should not be used to generate greater than 25 psi.

Product Description

The MV6400 is designed for topping-off fluid reservoirs including master cylinders, gear boxes, transmissions, power steering reservoirs, etc. Its convenient size and 5 ft. long hose with dispensing wand and flow control valve make it ideal for accessing hard-to-reach reservoirs and fill plugs. For transmission refill and pressure bleeding applications, the MV6400 is compatible with a wide selection of Mityvac ATF and pressure bleed adapters.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Mityvac MV6400 1 Gallon Fluid Dispensing System for Topping Off Fluid Reservoirs, Master Cylinders Includes 5 ft. Hose with Wand and Flow Control Valve

Mityvac MV6400 1 Gallon Fluid Dispensing System for Topping Off Fluid Reservoirs, Master Cylinders Includes 5 ft. Hose with Wand and Flow Control Valve

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    Added to Cart
    Price$158.99$109.99$108.68-10% $54.06
    Typical: $59.84    		$79.69$346.39
    Delivery
    —
    Get it as soon as Tuesday, May 14
    Get it as soon as Tuesday, May 14
    Get it as soon as Tuesday, May 14
    Get it as soon as Tuesday, May 14
    Get it as soon as Tuesday, May 14
    Customer Ratings
    4.74.7 out of 5 stars271
    4.24.2 out of 5 stars82
    4.74.7 out of 5 stars1,808
    4.74.7 out of 5 stars2,651
    4.34.3 out of 5 stars1,327
    4.44.4 out of 5 stars23
    Easy to use
    4.6
    3.8
    4.6
    4.6
    4.0
    4.8
    Suction power
    4.3
    4.0
    4.3
    4.7
    3.8
    5.0
    Value for money
    4.1
    4.0
    4.3
    4.3
    3.8
    4.4
    Quality of material
    5.0
    —
    4.5
    4.7
    3.4
    —
    Sold By
    American-Mechanic
    BILITOOLS
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    271 global ratings

    Customers say

    Customers like the performance, quality and ease of use of the auto accessory. They mention that it works well, is simple and easy to use and saves them a lot of time. They are also happy with the pump. However, some customers have reported issues with air bubbles leaking into the oil stream. Opinions are mixed on flow.

    AI-generated from the text of customer reviews

    26 customers mention26 positive0 negative

    Customers are satisfied with the performance of the auto accessory. For example, they mention it works well, is amazing, and is the best tool for shops. Some appreciate the shut-off capability and support hanger. Overall, most are happy with the quality and functionality of this tool.

    "Works great for filling differentials and all types of gear cases. I did have a problem with air bubbles leaking into the oil stream...." Read more

    "Works great. Very easy to use. I am a professional Tech and this product make my job earlier. Down side slightly slow to fill due to the tube size...." Read more

    "Worked as advertised, very impressed with the quality...." Read more

    "This tool is really cool and it’s a lot cheaper than a power probe electric bleeder lol. I would have given it 5 stars BUT THIS ONE LEAKS!..." Read more

    13 customers mention13 positive0 negative

    Customers are satisfied with the quality of the auto accessory. They mention that it is well-made and has no quality issues.

    "...The Unit is well made and holds pressure. The pressure relief valve avoids unnecessary spills seen with other pressure tanks." Read more

    "Worked as advertised, very impressed with the quality. Super heavy duty tank and dispensing Trani fluid from under the car was so simple, the valve..." Read more

    "...Typical mightyvac quality. Expect 10 years of professional use easily. Parts are replaceable also." Read more

    "...I will say it extremely well built tank...." Read more

    9 customers mention9 positive0 negative

    Customers find the auto accessory easy to use. They mention it's simple, saves time, and makes a bad job easy. They also say it'll hold a gallon and hold pressure for about a third of that before re-filling.

    "So easy to use. It has become one of my favorite tools in the shop. Makes transmission fluid changes so much easier." Read more

    "Works great. Very easy to use. I am a professional Tech and this product make my job earlier. Down side slightly slow to fill due to the tube size...." Read more

    "...Pretty sweet tool and saves me time!" Read more

    "...our 8spd transmissions at work frequently and wow this tool makes a bad job so easy...." Read more

    3 customers mention3 positive0 negative

    Customers like the pump. They say it's a great tool for pressure bleeding brakes and that it pumps all fluids fast.

    "...Using the pump is not so bad. Sure it's work but the strokes are short so you can be under the vehicle and pump...." Read more

    "Pumps all fluids fast, best tool for shop" Read more

    "Great pump for pressure bleeding brakes...." Read more

    5 customers mention3 positive2 negative

    Customers have mixed opinions about the flow of the auto accessory. Some mention that it flows great, while others say that the hose severely limits flow of fluid.

    "...Makes transmission fluid changes so much easier." Read more

    "These are great fluid dispensing systems for the shop." Read more

    "...weight fluid (ATF, Auto-Trac II) flows great, but the hose severely limits flow of fluid with higher viscosity." Read more

    "...flows great, but the hose severely limits flow of fluid ......" Read more

    8 customers mention0 positive8 negative

    Customers are dissatisfied with the bubbles in the oil stream. They mention that the hose assembly has leaked out of every fitting. Some customers also mention that there is poor thread engagement causing bubbles.

    "...I did have a problem with air bubbles leaking into the oil stream...." Read more

    "...I would have given it 5 stars BUT THIS ONE LEAKS! I didn’t bother trying to return it because I did buy it used but oh well...." Read more

    "...I did have a problem with air bubbles leaking into the oil stream...." Read more

    "...to fix the seal on the pickup tube due to poor thread engagement causing bubbles in the fluid output which would be disasterous if using to bleed..." Read more

    Great pump for pressure bleeding brakes.
    5 Stars
    Great pump for pressure bleeding brakes.
    I bought this pump to pressure bleed brakes along with the Power Probe Master Cylinder Adapter Kit. The only modification needed is to swap out the Mighty Vac connector at the end of the dispensing tube with a Universal or Automotive/Tru-Flate coupler. The Unit is well made and holds pressure. The pressure relief valve avoids unnecessary spills seen with other pressure tanks.
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    Top reviews from the United States

    Albert.R
    5.0 out of 5 stars Simple and neat.
    Reviewed in the United States on August 22, 2020
    Style: MV6400Verified Purchase
    I prefer this to the tall vacuum/pressure unit from Mityvac I have. It's faster, less bulky, has a wide opening for easy filling and collecting the drained transmission fluid. Using the pump is not so bad. Sure it's work but the strokes are short so you can be under the vehicle and pump. With the tall Mityvac unit, the stroke is longer and the vehicle would interfere with the pump stroke. The hose on this unit is a clear soft vinyl type instead of the hard white plastic tubing on other units so it is very flexible and easier to feed through the obstacles getting to the fill hole on the transmissions. I'm very happy with this product. I should have purchased it sooner.
    One person found this helpful
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    Manny Euro Auto Service
    5.0 out of 5 stars System
    Reviewed in the United States on November 14, 2020
    Style: MV6400Verified Purchase
    Works great for filling differentials and all types of gear cases. I did have a problem with air bubbles leaking into the oil stream. I contacted Lincoln (owners of Mityvac) via email and received an immediate response. I had a add some sealant between the pickup tube and the coupler in the top of the tank. Easy fix and no issues since.
    Helpful
     Report
    Rebecca Erskine
    5.0 out of 5 stars Awesome
    Reviewed in the United States on October 27, 2023
    Style: MV6412AVerified Purchase
    So easy to use. It has become one of my favorite tools in the shop. Makes transmission fluid changes so much easier.
    Helpful
     Report
    ScottB
    5.0 out of 5 stars Great pump for pressure bleeding brakes.
    Reviewed in the United States on July 27, 2019
    Style: MV6400Verified Purchase
    I bought this pump to pressure bleed brakes along with the Power Probe Master Cylinder Adapter Kit. The only modification needed is to swap out the Mighty Vac connector at the end of the dispensing tube with a Universal or Automotive/Tru-Flate coupler. The Unit is well made and holds pressure. The pressure relief valve avoids unnecessary spills seen with other pressure tanks.
    Customer image
    ScottB
    5.0 out of 5 stars Great pump for pressure bleeding brakes.
    Reviewed in the United States on July 27, 2019
    I bought this pump to pressure bleed brakes along with the Power Probe Master Cylinder Adapter Kit. The only modification needed is to swap out the Mighty Vac connector at the end of the dispensing tube with a Universal or Automotive/Tru-Flate coupler. The Unit is well made and holds pressure. The pressure relief valve avoids unnecessary spills seen with other pressure tanks.
    Images in this review
    Customer image Customer image Customer image
    Customer imageCustomer imageCustomer image
    3 people found this helpful
    Helpful
     Report
    Scott MacK
    5.0 out of 5 stars Easy fill solution
    Reviewed in the United States on August 4, 2020
    Style: MV6400Verified Purchase
    Works great. Very easy to use. I am a professional Tech and this product make my job earlier. Down side slightly slow to fill due to the tube size. But worth the money.
    One person found this helpful
    Helpful
     Report
    doug green
    4.0 out of 5 stars works great
    Reviewed in the United States on March 14, 2024
    Style: MV6410AVerified Purchase
    had used one before, just what we expected
    Helpful
     Report
    Eugene D. Brooks III
    5.0 out of 5 stars Are you tired of squeezing bottles, or a low volume hand pump?
    Reviewed in the United States on March 21, 2014
    Style: MV6400Verified Purchase
    I care enough to put magnetic drain plugs in my transmissions and differentials. I change gear oil every 30,000 miles. Gearboxes last forever if you do that. I used to use a hand pump that screwed into the top of a one gallon gear oil jug and always wondered if the pumping was ever going to end. I am old enough now to get muscle spasms doing that. Trying to squeeze oil out of a hose connected to a one quart bottle of gear lube ends up with getting oil everywhere. You put the gear oil in this device, pump it up with air and then open a valve and watch the lube go into the gearbox. Close the valve when the gear box is full, put the cap on the fill tube and the only drips are in the catch pan under the gear box fill hole. Using a heat gun to put a short right angle bend on the end of the fill tube can be helpful. I wish I had bought this rig a long time ago! It is the only convenient way to fill a gear box from under a vehicle. Someone with a little plumbing skill will figure out how to pressurize the bottle by converting a spare lid with suitable parts, as I did, but make sure that you use 20PSI regulated air if you were to do that.
    6 people found this helpful
    Helpful
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    Hanson George Webb
    5.0 out of 5 stars Great Quality. Worked as promised.
    Reviewed in the United States on October 27, 2015
    Style: MV6400Verified Purchase
    Worked as advertised, very impressed with the quality. Super heavy duty tank and dispensing Trani fluid from under the car was so simple, the valve kept me in control of how much to dispense. Saved a lot of money by flushing my transmission fluid in-house instead of dealer. Highly recommend for DIY crowd, cannot go wrong with the quality of the pump.
    Helpful
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    Top reviews from other countries

    Bill W.
    5.0 out of 5 stars Quality easy to use unit .
    Reviewed in Canada on February 27, 2024
    Style: MV6400Verified Purchase
    Great product . I returned the first one because of a problem , it was easy to return , and the refund was fast. I ordered another one and it literally came the next day after the one I returned. The Mityvac works fantastic and makes decanting automotive fluids , such as diff oil , and trans oil , like the newer 8-9 speeds , which are filled at the bottom @ the trans pan , effortless and so easy with the brass shut off valve , precise filling is very easy .
    Customer image
    Bill W.
    5.0 out of 5 stars Quality easy to use unit .
    Reviewed in Canada on February 27, 2024
    Great product . I returned the first one because of a problem , it was easy to return , and the refund was fast. I ordered another one and it literally came the next day after the one I returned. The Mityvac works fantastic and makes decanting automotive fluids , such as diff oil , and trans oil , like the newer 8-9 speeds , which are filled at the bottom @ the trans pan , effortless and so easy with the brass shut off valve , precise filling is very easy .
    Images in this review
    Customer image
    Customer image
    Report
    gavin
    5.0 out of 5 stars Product speaks for itself.
    Reviewed in Canada on September 12, 2019
    Style: MV6412Verified Purchase
    Good product
    Report
    Carla F
    3.0 out of 5 stars This is an excellent product and definitely professional quality.
    Reviewed in Canada on June 9, 2020
    Style: MV6412Verified Purchase
    This is an excellent product and definitely professional quality as are my other Mityvac products (rebranded by Mac Tools).

    Unfortunately mine had a pressure leak where the quick connect attaches to the tank and seals with an o-ring. This only required minor tightening however the nut on the back side is very difficult to hold with any tool due to it's location and that it is surrounded by the molded plastic tank. I spent more time screwing around with the leak than pumping fluid back into the Mercedes and moving on.

    I would still recommend this product as it is the best you will get for professional use.
    Report
    Amazon Customer
    5.0 out of 5 stars No brainer to fill up transmission
    Reviewed in Canada on March 18, 2019
    Style: MV6400Verified Purchase
    Very useful and well made tool. Makes filling up transmission very easy.
    My rant: If you own a German car, don't believe what Audi and BMW says regarding life-long transmission fluid. If you don't believe me, just email ZF (the actual maker of the transmission) and they will tell you to replace the transmission fluid after 100,000km. What's $400 of transmission fluid and transmission oil filter in a $55,000 car? Dealer will ask $1,500-$2,000 for the job. This tool makes the whole process a lot easier and cheaper (if you know what you're doing of course).
    Report
    Amazon Customer
    5.0 out of 5 stars Amazing
    Reviewed in Canada on May 22, 2021
    Style: MV6400Verified Purchase
    Amazing tool. Been using the manual pump method to change the fluid in my diffs and transfer case for years. What a time saver. Works as advertised. A++
    Report