DAYUAN 3L Manual Transmission Fluid Transfer Pump Oil Filling Filler System

Highly recommend Good value durable Work great I like the gauge

Nice pump kit, just make sure you get the right attachment you will need. I had to purchase accessory kit (blue case) but that’s ok. Make sure it fits before draining! I’m glade we did!

Used it to pump fluid into my "sealed" 09 Explorer (no dip stick). Worked fine. Especially like the ability to pressurize the tank before crawling under the vehicle to add the fluid. Minor complaint...the plastic "wrench" they sent to tighten the filler cap is too big for the cap. It will not tighten the cap. But, hey, that's why they invented channel locks! 12/16/24 - Just used it to pump in 75/140 gear oil into my rear diff. Hook type end "nozzle" was especially helpful to hook the hose into the fill hole.

Great tool for diy car care. Used it for transmission service on my VW Atlas. Seems durable, just clean out after use. And fits a lot of stuff with the included adapters

Make sure you test this before return window closes. Check for leaks and malfunctioning quick connect, or else you will have one massive mess. Otherwise quote awesome item to have when it works, especially for filling ford transmissions.

Both my wife's Cherokee and SLK500 require the trans to be filled from the drain plug. This pump pushes the fluid in with no issues. Can also be used for rears, and transfer cases too! Only gave it 4 stars because the "quick coupler" leaks when you are pumping fluid.

I was pleasantly surprised at how well this worked. I put 5 qts in my transmission pretty fast and leak free. Kit included fitting so I could hang off the fill hole of my Tacoma, pumped up this up to 20 psi and watched it suck the fluid out into my transmission. Had to refill once but no problem. I highly recommend this fluid pump.

Great little unit. I liked it so much I bought a second one to use just to keep Honda and Toyota fluid separately in the jug. Fills the transmission easily and easy to hold not too heavy

Wish I had bought this long ago. I have bought 4 of the "automotive transfer pump " of the $20 dollar variety at Harbor Freight and similar stores. The hoses never stayed in the flimsy plastic body coming out mid-job causing massive leaking and making a mess and wasting a lot of expensive fluid. With modern automatic 'unicorn' fluids at up to $40 a quart now, I bought this to service a newer Dodge ram 8 speed ZF and to put in $225 of fluid I didn't want to waste. The Ram must be filled while running and within a specific hot temperature range like many automatics now which is challenging in tight spaces with the fill plug in this case wedged right beside the exhaust system. This worked flawlessly and not a drop of fluid was wasted. The fittings with schrader type quick connect were perfect, especially in this application where it only has a plug behind a hot exhaust pipe, (unlike the f150 and other fords that has a short vertical neck stack and mini dipstick you can wiggle a hose in , like on the 6R80. ). The ZF Ram is more challenging and I needed this tool and the fitting was the perfect length and the end is hooked down a bit to hang in the full hole and the hose stayed clear of the exhaust, made it super easy to fill. The only criticism is it takes a bit more pumping than the flimsy plastic transfer pumps, like 25 pumps per quart or so, but hey, I got a good forearm workout, but still rating a strong 5 star. (If you were doing transmissions all day, an air fed pressure style pump would be the way to go but for me this works great for the 5-6 times a season I need one.) The body design to easily fill with fluid, you can easily see how much fluid is in it (even the ZF light clear green unicorn juice in my case) and the shut off valve on the clear hose is excellent for when you need to stop filling, stops on a dime, plus comes with multiple ends for different transmissions - I'm really pleased and if anything changes I'll update, but very happy with this pump, I just wish I had bought it long ago and not suffered with those useless transfer ones.

Using it to fill the diff with hypoid oil. i like the tap on the device so can control the flow or turn it off.

Sehr toll 💪👍

A great little pump, ideal for replenishing diff or gearbox oil etc

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