* Disclaimer: OveReview is reader-supported. We earn commissions from qualifying purchases
Drainzit Oil Changing Aid - model# STAN1438 with A 3/8

Drainzit Oil Changing Aid - model# STAN1438 with A 3/8" Drain Port Size

Drainzit Oil Changing Aid - model# STAN1438 with A 3/8
$ 19.35

Score By Feature

Based on 983 ratings
Easy to use
9.38
Value for money
9.48
Easy to install
9.31

OveReview Final Score

How Our Score Is Calculated

Product Description

A 3/8-inch hole. Drain port on NPT
A 14-inch diameter. Regardless of the length, it should be relatively short.
Stainless steel fittings of the highest quality
The engine can be used with many Briggs & Stratton and Tecumseh engines, as well as Kohler engines up to 16 and 18 HP
It is easy to install and use, thanks to its custom design

Questions & Answers

To prolong the reach of my 3/8 in. ratchet, I use an extension. Can you tell me whether this is the product I want?

You cannot judge the thread size from the head of the bolt. You must measure the OD of the threads rather than the tread size. If the oil plug size is known from the engine it's used on, that's best. The 540" NPT plug has a diameter of 1/4" and a diameter of The NPT thread size for 675 is 3/8"

i have a cub cadet 30h rear engine. it is not far from the exhaust. Do you have any problems?

On my generator, pressure washer, and ZTR mower, I use these. There are two installs of Honda EB2800 inverter generators that stand out in particular It is probably more convenient to move the connection point of the flex Drainzit to the desired location with brass pipe and 90 degree elbows. There was no easy access to tighten up the Drainzit on the ZTR mower, which has a 22HP Koehler engine. I used a straight brass nip and coupling to extend it out from the crankcase. Using a brass pipe will make things work just the way you like them. Do not use Teflon tape to seal. Instead, use a pipe joint compound for an engine. The joint where the Drainzit joins the brass pipe will either be an elbow or a coupling. Pull that down to the o-plate too, and use pipe joint compound in that area as well Ensure that the ring on the Drainzit is compressed properly.

Is this kit compatible with a 23 horsepower Koehler petrol ?

There are a number of things I am not sure of. I am Troy, I am the one you are looking for It has an engine with a capacity of 382 cubic centimeters and 14 horsepower. Make sure the drain plug is the right size. The tube is for an oil drain port that measures 3/8". Without the tube, oil changes were a huge pain

What is the compatibility of this model with Honda 390X?

You should be able to fit it if it has a 3/8" drain plug

Selected User Reviews For Drainzit Oil Changing Aid - model# STAN1438 with A 3/8" Drain Port Size

This is a motor for the Kohler 7000 series! In a grave manner, Zero also turns
5/5

The motor on my Gravely ZT XL 42" Zero Turn Mower is a Kohler 7000 series 22hp motor. Despite having a good design for the oil drain, this mower has a bad design for the oil drain. Its black plastic motor has a yellow plastic cap. It goes into the motor through a black plastic pipe. As you undo the yellow plastic, the black part of the motor comes loose. The yellow plastic is supposed to be turned many times to start the oil flow. Unless you remove the filter and the plate under the seat (in front of the motor), you can't get a wrench on it to hold it. My faulty tightening resulted in a lot of oil leaked out on the concrete, so I found out after my last change that it leaked a lot of oil. To fix the problem, I bought this hose that works with 3/8 NPT fittings to help me with this problem. A fitting like this is available from Kohler's 7000 series. In an effort to fix the motor first, I acquired the following parts with part numbers from Lowe's and installed them along with the new Drainzit hose, as other readers had recommended. 1 .
The 760NL)
2 formula. taped them together with Teflon tape on the threads and tightened them up. In the next step, I removed all of the old plastic from the motor (black and yellow), and used teflon to screw this into the motor as tight as I could without overtightening After that, I twisted the new hose onto the head and tightened it with a tool covered in The whole thing worked great with no leaks and no more issues. Hurray! It is important that you install this when you are changing the oil for the last time. I thought I could lean the mower on its side (with a zero turn it is difficult to lean the mower too much), but I managed to do so and I still had oil coming out. I made a mess, so I apologize for that! This needs to be installed after you remove the filter and the oil. This might be helpful to some folks out there.

Imani Gallegos
Imani Gallegos
| May 16, 2021
This should be standard equipment for small engines! A hose of this kind is absolutely necessary for oil changes on most riding mowers, snow blowers, etc
5/5

For some reason, designers don't bother to add a few inches of tubing to the oil drain ports, even when they are placed above other components, in very tight places. It is nearly impossible to change the oil without making a mess because of these design choices. There is an oil drain plug on the back of my riding mower that is in such a spot that it is almost impossible to remove/replace the plug, and it is impossible to divert the flow of oil when the drain plug is being removed. As a resident of northern Illinois, I owned a snow blower that did the same. It is that which makes this product stand out from the rest. This makes changing the oil on these machines easy and convenient (after the first time). The drain plug must also be removed prior to installing this device, which will cause a big mess during the first oil change. However, once it is installed, oil changes become effortless and clean. There has been a long history of owners of small engine machines like lawn tractors and snow blowers complaining about this problem. It is a relief to find Drains It works. I have a hard time understanding why OEMs don't take this common complaint into consideration.

Colten Nash
Colten Nash
| Dec 06, 2020
A very smart man has created an excellent product made in the USA
5/5

The idea for this amazingly simple, but valuable product came from Bob Cordes who was sick and tired of dirty The oil was leaking all over the place at the time he thought of this product, and there was no way to drain oil from many types of small engines without having oil leak everywhere. This is where Bob enters the picture, with am VERY proud to support this AMERICAN made product, and you will be writing the same review as I did. Order one today and you will be writing the same review as I did.

Melvin Marquez
Melvin Marquez
| Oct 28, 2020
It was terrible to use the OEM drain plug
4/5

Currently, I have a 20 HP Kohler 7000 series engine on my zero turn mower (Ariens Zoom 42). On Drainzit's site, the Kohler 7000 series is not specifically listed as compatible. However, it was indicated by the engine diagram that the existing oil plug is 3/8" NPT, and this product is as well. The OEM drain plug was extremely bad. There is a yellow plastic thing that you are supposed to put a clear tube over, then turn it into a 10 To open the valve and get oil flowing, you have to press the button 15 times. Getting a hold of it was impossible, and it turned out to be located in one of the most difficult places. It's not possible to tighten the Drainzit's fitting using a wrench on the Kohler 7000 because the drain plug threads are set in, so even without the oil filter off, you can't get your hands on The only thing that bothered me was not knowing how tight it was, so I did it with needle nose pliers. I removed the Drainzit and hooked up a 3/8" NPT hex-nut to the brass pipe nipple and 1 1/2" 32 NPT brass pipe nipple From Lowe's, a brass coupling with a shaped end. Assemble the coupling with Permatex thread sealant and use a pipe nipple as an attachment point. In the hexadecimal format It is important to pay attention to the shape of the couple. Once that is in place, you can thread in and tighten the pipe nippers with the wrench. After making sure the Drainzit was tightened, I connected it to that. That was the right thing to do and is really what I should have done from the beginning. Don't be afraid to install a Drainzit if you have a hard time getting a wrench on your drain plug. The brass fittings are easy to pick up. It was somewhat difficult to get my hand into the plug hole to remove the stock drain plug due to the ease of access to the Drainzit, so I moved to a higher capacity Kohler oil filter (since I was no longer trying to reach my hand into it).

Samir Keller
Samir Keller
| Dec 29, 2020
Compatible with Craftsman R110, but not the R110X
3/5

On my Craftsman R110, this drainzit item did not fit on the immense thread of the drain plug. I was even further away than I thought. It was impossible to connect the hose through the 3/8 inch plug because the bolt plug was much larger, so I went to the store to get a converter or adapter, but they didn't have any so he made me one and it cost me $7. 00. Taking note of the lesson. It is just important to be aware if you are purchasing this as a replacement.

Ryleigh Knight
Ryleigh Knight
| Jun 17, 2021

Related Products For Drainzit Oil Changing Aid - model# STAN1438 with A 3/8" Drain Port Size