3-in-1 Hand Pump Siphon Gas Oil Liquid Air

These guys (fix find) are crooks. They sent me a different (far lesser) product than which was shown on the image and do not respond to emails. Buy from someone else.

I purchased exactly the same one as the one shown here for transmission oil change, but decided to use it for motor oil change beforehand. Good thing I did, since it was extremely inefficient in pumping oil. Instruction says pump it 3~4x and let the gravity do the work but it doesn't trickle out for a second then nothing would come out (I kept the drain portion lower than the intake as instruction says). It appears the fittings and pump itself have air leaks since the fittings cannot be securely fastened/tightened to form air tight seal. I even used tapes to create better air seal, and still it took about 1.5hr of pumping to get 3 quart out... Good really vigorous shoulder exercise meanwhile~. Overall, I guess you get what you pay for.

I guess it might be ok for a small amount of liquid, but for anything more than a quart or so, this may not be a practical tool. Just wanting to let others know so that they know what this can be useful for.

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These pumps are terrible, the hoses are just friction fit and they leak air, the seals leak gasoline everywhere. The pump barely functions at all and is very poorly made.

I almost got stranded when I was relying on using this (brand new) pump to transfer fuel to my kicker tank this weekend when main motor blew.

Only liberal application of rescue tape and frantic pumping among three guys enabled this pump to transfer enough fuel for us to make it back.

Of note, the pump wouldnt pump at all if it was more than a few inches above the level of the fuel in the main tank.

Buy a different pump! Especially if you're relying on this as a emergency fuel transfer pump.

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I almost didn't buy this pump because it wasn't very well rated by Amazon buyers. But I had to try something and I'm glad I went with this pump. I just used it to remove the oil from my rider mower because I couldn't budge the drain plug. But this little pump worked beautifully for that purpose. Before I started, I read the directions. Instead of using both orange hoses, I used only one and trimmed off about 8 inches in which I placed the "dipstick hose" according to the directions and then attached the 8 inch orange hose to the top of the pump. I also trimmed the dipstick hose to about 12 inches. (I was thinking that maybe pumping the oil a shorter distance would help the pump work more efficiently. But now that I've done the job, I don't think trimming the hoses mattered.)I used the rest of that orange hose to attach it to the bottom of the pump. I let the mower run for about 3 minutes to heat up the oil, place the dipstick hose in the dipstick hole on the mower and the other orange hose went into a bottle on the ground to catch the old oil. I pumped it a few times and soon the oil was flowing out of the mower into the bottle! NO PROBLEMS!!! If you have to change your lawnmower oil, this is a good way to go.

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I gave this 3 stars because it will work well for some applications. I used it to pump gas and it got sticky and hard to pump. It appears that the lubricant doesn't stand up to gas very well even after just one use. The other reason I rated it low is due to how short the hoses are. I wanted it primarily to pump gas from the car so I wouldn't have to take the gas cans to the station to fill them. Almost all cars have the fuel filler opening in the side rear and the tanks are in the middle of vehicles so the hose provided is too short to reach fuel in the tank. Apparently wasn't designed, or maybe wasn't tested for this application. Appears it would work well if you don't want to pump from a vehicle or pump gas. I'll try to purchase a longer hose rather than return the item.