Engineers Test the Most Popular Oil Filters 

What oil filter do you use on your vehicle? Let us know in the comments down below and we may test it in a future video😉

Up in the league with Project Farm with this level of comparison testing with better visuals. (I also recommend testing OEM oil filters, I know that Honda for example such as the A02 and 15400-RTA-003 have felt/cardboard end caps with no wire backing. I just checked the Toyota N1 spin on filter as well and it’s fairly rudimentary in it’s construction, at least in appearance)

From a guy who buys fleet vehicles and only wants the best parts 👍Thank you ✌️😎

Just barely watched the first video and thought, “man, I’d like to see the Wix filter tested.” Then bam. This video is 3 hours old. Awesome.

Many people don't realize that Purolator, Wix, and many house brands (ie. Napa, Carquest) are all owned and manufactured by Mann-Hummel. So it makes sense that those 3 were very close to each other in most of the tests.The Purple filter was the only really different one.

Awesome updates to the rig and procedure. Really appreciate getting to actual filter performance - in particular particle size filtration efficiency. Would love to see Amsoil, Napa Gold (or WIX equivalent), AC Delco Ultragaurd Gold, Purolator One next. Plus would be nice to see a repeat of Fram Ultra Synthetic, Mobil 1 and K&N. I’m sure this testing already takes a lot of effort but repeatability would be interesting (both for skid and between different filters of the same brand). Keep up the great work. You guys will be huge.

Would love to see a Denso filter in here too! They make a lot of OEM filters for many manufactures.

It's almost unbelievable how good this video is for the sub count. I've always wondered what makes a "premium" filter more expensive and I'm really impressed that the Purolator was able to filter out the most particles while still being the least restrictive. That's a big win in my book.

This is exactly how oil filter tests should be. There are hundreds of sites that just cut the filter open and say look it doesn't look good so it must be a bad filter. You guys actually put science behind your tests.

This testing was definitely more thorough and scientific! Now we will need to compare the results of this video to the filters used in the other video to have a real scoreboard going. Nevertheless this was a great video and I look forward to more in the future!

THIS is how you do an oil filter test! So many people think cutting open a filter and looking at the number of pleats is a measure of quality but you guys do actual, valuable tests. Thank you!

Excellent filter tests! Thank You! I've only owned old toyotas & hondas with high mileage but I've ran Wix XP for the last 5yrs, and they seem to run very well with those high mileage cars. I still change the oil every 5k mi. regardless. Keep up the incredible job! We appreciate all Your efforts!

Great video. You know what would be cool. A low budget shootout. Like if I want to spend $5-$7 on a filter not $13-$17 what would I buy. Your testing would be super helpful. Maybe Wix standard, PL standard, maybe OEM like Honda or Ford Etc. Just a thought. Thanks for the hard work.

One thing I consider with my filters is the check valve strength. I use an oil accumulator in my system and I need it to not leak back when pre-oiling the engine. My cheap OEM filters performs WAY better than much more expensive ones.

I been waiting for this video for so long! Very informative. Please add Amsoil to the list.

We need a graph of allllllllllllllllllllllllllllllllllllllll the filter you guys tested.

I am a Mechanical Engineer so I absolutely love your methodology. But I do feel like there is a trade off between flow rate and capacity/performance. What I mean is that I think that a more restrictive flow rate filter media will usually by nature give a higher capacity and a better performance. So considering that if, IF, you consider all four tests have an equal weight you can then add the results together, and the Boss comes out on top with a score of 7. You are obviously more experienced with testing than I am, so please don't hesitate to respond to my 2 cents worth.....LOL I also appreciate the tear down and review of all the filters and I agree that it is also an important factor.

I really like the new test setup versus the old. I hope you rerun some of from the original batch so they can be better compared going forward.

Bro you got a new sub and like from me man.... I've been doing a lot of research into gettting the best oil and filter for my brand new Wrangler. I want this thing to last and the the internet has been telling oil changes are paramount. You are doing great things take care my brother

Would love to see the original filters retested on the new rig so we can compare. These videos are exceptionally good!

OEM comparison would be great to see compared to the top rated oil filter(s) tested so far. AC Delco, Mopar, Motocraft, etc. other than that, these videos are great. New subscriber earned!

Ya'll addressed all my concerns about your initial testing procedure. I feel like this time, ya'll are actually providing information that can help in picking the best option for an oil filter. It' doesn't look like you can go wrong with the Purolator Boss or either of the top end Fram's. They kinda fall in line based on their cost. I've been using the Fram Ultra for years, and you guys confirmed that it's a really good filter for the money.

Nice! You were very thorough with this test.

Great video again! Thank you. The filter performance of the OG Purolator (pure oil later) is amazing, as is the royal purple, but Purolator wins the other tests too.

Wix also makes Orillys house brand Microguard filters, same filters but about 30% less expensive. Microguard Select are Wix XP. We have used Microguard for years on a fleet of 14 trucks plus personal and employee vehicles. The cold fluid restriction shows why you still need to regularly change engine oil and not go 15k or 20k miles, it can cause the bypass valve to open sending unfiltered oil though the engine so you want good clean oil. Even more with some people who think heavier oil is better, recommends 5-30 but they use 20-40, causing excessive drag hurting power and gas mileage. Plus possibly overloading the oil bypass valve causing high oil pressure at higher rpms when not warmed up.

I think Amsoil EAO, Fram "Endurance", Denso and any other OEM manufactuer would be a great for a test, perhaps AC Delco or one of the many others that haven't been tested yet.

Awesome videos! Would love to see you guys compare motorcraft, ac delco, mopar, and STP/STP Gold filters!

I do industrial hydraulics, for us 15 micron is the testing particle size which has a limit of 20 counts. We use 5 micron filters to do a flushing loop to clean the oil and will let it run until the fluid has had a minimum of 50 passes through the filter.

This is awesome! Been looking for information like this for years. Subbed and shared. It'd be nice to see a common Motorcraft filter like an FL-400s or an FL-910s. I pretty much run Motorcraft filters on just about anything I can get them to fit on even my lawn mower.

Truth is, there are many vehicles out on the road that don't get their filters and oil changed regularly / use generic brands and as such and they have hundreds of thousands of miles on their engines. Enjoyed the video.

Great info! Well in the last oil change in my '22 Subaru Crosstrek running Mobil 1 ESP 0W-30 and a Fram Ultra oil filter. I did an oil analysis/particle count with Blackstone Labs. Here were my results. I'd say the Fram Ultra is superior in terms of filtration which is most important to me.😎 >70: 0 38-70: 1.6 21-38: 16.2

Thanks for taking this oil filter testing to the next level.

Awesome setup, most semi-scientific tests seen on YT-a-Verse and I hope you continue to test more filters.

I’m glad wix done well I’ve used a lot of them over the years. I found your first filter test much easier to understand. Thx for the tests.

Fantastic scientific testing. The editing and cinematography are killer. Nice jokes and good annunciation. Ima big fan 🪭

Great effort guys! Much more scientific than previous one. This series is gonna blow up. It already is. When you run out of oil filters to test (yeah right), get into testing diesel fuel filters. Anyways, can you please include a different length version of the same filter? Sometimes you can install a bigger filter than what car manufacturer tells you. I'll give you an example: XG3614 and XG3600

This is something to think about the new Silverado pickups when the 5.3 engine and very high oil pressure and 8 quarts of oil these are very fuel efficient engines the oil is ACDelco as well as the oil filter and 20 weight oil

Very nice! Subscribed for future content. Would love to see MANN, Denso, Beck Arnley (typically some sort of OE), Mahle, Hastings…. I’ll think of another dozen as soon as I hit send. Going to watch the first video now to see how SuperTech did!

Great job on this video series, please do more like this. Hope to see the mobile one oil filter tested on this new rig. Also please do factory Oem filters from Toyota and Honda too!

This is great! I have a mint condition Honda Accord coupe with v6 - manual at 250K miles and I want to make it to half a million - sounds like its gonna get there with your help and purolator boss filter every 4k. Thanks

I'm looking forward to seeing you reach 100k, so keep up the good work.

As an aircraft mechanic and someone who has worked with engineers at an OEM for aircraft parts this felt right at home! Id love to see you test an aircraft oil filter that i use for our crssnas and pipers, tempest 48111, i typically remove the filter material to inspect for metal particals. Great channel and looking forward to more trsts!

Ive been looking for a oil filter brand to mate with my Pennzoil Ultra Platinum oil. Project farm sold me on the oil. You sold me on the Purolator Boss. Just order a couple for my next changes on my vehicles.

I've been waiting for a REAL oil fiter testing channel forever. Great Job, Guys. Liked & Sub'd (...and THANK YOU for not wasting time giving the can dimensions, BECAUSE NOBODY CARES 😂).

I'm glad I've been buying Purolator filters for years after seeing this.

Before I watch this I want to say the boss is my favorite because of the material it’s made from and it’s strength. I’ve done thousands of oil changes in my career as a mechanic. I hope that I’ve chosen the best before watching the video results. Hopefully I was right

Would love to see a SuperTech (Walmart) filter tested. I believe they’re manufactured by Champion. So I’d love to see a Champion, K&N, SuperTech showdown to see if their cheaping out on the SuperTech.

Thank you for the excellent videos. I really appreciate all your hard work. I want nothing but the best oil filters for my truck.

Wish we could see how the Fram Ultra Synthetic would have stacked up in this new test rig against these others. Thanks for doing this, going to start using Purolator Boss filters from now on for their better filtering ability.

Fantastic video presentation here guys

Thank you so much for taking the time and effort, I look forward to what this channel will produce, would love to see some top synthetic oils put up against each other as well

I worked at Wix in Gastonia,NC, 40 years ago in the Information System Department. That made filters there and Dillon, SC. Back then, they made filters for Wix, Napa and Purolator. They also made many other brands. Always been a quality product. Today not sure on the Purolator, but still think the Wix and Napa are still being made there.

Appears the WIX is the winner. I have been using Bosche but may change to WIX. Scotty recommends Quality brands such as WIX and Bosche. Thanks for the outstanding tests!

Hahaha the testing was great but you are also funny. Well done on putting together an interesting video. The blurred out cleaning scene was hilarious.

The simple black eye cut was 👌🏽

In case anyone's curious, the vendor for the dust doesn't seem to publish their prices but the current price for medium test dust standard reference material direct from NIST is $549.00 for 20 grams. For reference, this is almost exactly half the price of 170 grams of NIST peanut butter at $1,107.00. And, yes. NIST standard peanut butter is a thing. And, yes. It is my preferred reference point for pricing.

I agree with the post below. Test OEM filters also. I have been using Honda filters in the Honda and Ford in the Ford. Partially because of the vast amount of counterfeit stuff being sold. At least if I buy from the Dealer or Amsoil, I know that I'm getting what I'm paying for

I'm glad to see you include flow and particulate capacity characteristics. 👍 I'd like to know: At what point of particulate removal do we reach the point of diminishing returns? 20-micron performance is touted by manufacturers. Would 40 minimum be just as non-damaging? 60?

oh im here for good, i watched your first vid when it came out and waited and waited for another! finally!

Great video. A solid idea to throw the market in the loop. Maybe take every actual named brand OEM filter from each company for their main SUV and Truck filters. And test those. Gives us an idea on what vehicle brand takes care In their vehicles too.

For what it cost,change your oil every 3.5 / 5000 thousand miles it does wonders for the engine

Now I want to see the previous filters tested AGAIN and see which ones of them is the best overall

This is going to be a great series! Visuals are excellent, test methodology excellent. Excited to follow along the oil filter journey!

Great tests man! The mouth breathers over at Bobistheoil guy would have a stroke picking apart these videos lol.

Please do the Toyota YZZN1 or similar filter. No one has done ant testing on the OEM filter. Thanks for the tests! Great job!

I have been using Wix XP oil filters for the past 25 years. This is my favorite brand because of the filter media and the reasonable price. You need to test the K&N, Mobil 1, and Pennzoil Platinum HE brand filters to find out if they go beyond Wix XP. For the past 34 years driving, I have experience with all major retail brand oil filters. I always avoid Fram at all costs.

wow what a high quality youtube channel. You are going to gain subscribers like crazy putting out high quality testing videos like this as well. Earned a sub from me easy today!

In realistic, real world use, I think the Wix and Puralator filters are comparable. I understand in measured performance they differ but for those of us that actually do a good job changing oil on a regular basis, they both perform well enough to prevent particulate related damage to an engine. Lets face it, the most important part of filters (other than no cardboard in them) is regular, not extended, oil changes.

This is the best oil filter comparison video by far. Would like to see you do the same test on motorcycle specific oil filters. Amsoil, HiFloFiltro Race, K&N and OEM brands

I got it... your tests are much better than anyone else I've seen so far. Can you also compared the Mobil 1 vs the Purolator oil filter? Can you also test oils (the highest and equal grade of each brad)? I've seen the Project Farm tests but it's not a "well controlled test" as yours is, and he did not compared apples-to-apples (he used different grades across the oils used, although they were all 5W30). this is a certified hood classic

O hell yeah! Love these vids!

my new favorite channel!

I mainly use Wix XP or Napa Platinum filters. But would to see a Mann filter tested. That is one brand I have never got around to using.

Can't wait to see someone figure out cartridge filter testing

I work at Napa and I’ve always been told our filters are wix filters with Napa stamped on it. Be cool if you did a test with Napa proformer, gold and the platinum filter!

I would like to see a head to head of the Wix WL10255XP and the ACDelco PF 63

I’d really love to see the AMSOIL signature line. It’s all I use. Also would be cool to see the OEMS go head to head. But I’d really enjoy the test on the AMSOIL

Wix 51258 and Napa 1258 contrary to advertising do not have a working anti drain back valve. Took me a while to figure that out with rattling lifters at start up on a Rambler 232 engine.

Last time I made a comment here comparing your methods with all the rest, I’ve got a big channel hating me…now the guy must be even balder! 😂😂😂 way to test correctly an oil filter performance with actually useful information

Nice video. It would be great to see tests performed on the filters offered at the big auto stores (O'reilly, Autozone, Car Quest etc.) I would really like to see the Microgard Select tested as it really shows an excellent build quality. Thank you.

My Evo has next to no options, basic filters, Wix regular, factory Mitsubishi which is pretty decent I think, or Royal Purple. So I run Royal Purple.

To make graphs super clear, maybe a note of whether "1" or "4" is the best or worst ? Like "With 1 being the best and 4 being the worst ..." And maybe total the four columns to see which is the overall winner ? Also, I am amazed when someone comes into the store and won't spend $3.27 extra for a better filter to protect their engine, which is basically the car ... Thanks again !!!

Great video guys. Keep up the good work

Impressed by the thoroughness of your method. Good video!

My local NAPA guys told me their store brand filters are made by Wix and always have been. I heard that some German company bought Wix a while back.

Ive been using Purolator filters for years never had an issue with them yet

Good maint. starts day one. I do my first oil change at 1,000 miles after initial break in and taking it easy on the skinny pedal the first 1k. I also use a filter mag from day one for a little extra filtering without reducing flow and since most wear occurs in the first 1k miles its good to have the filter mag on right away. Some cars cant use the filter mag like my grand Cherokee. So I used a mag plug thats a brand name and best one out there. The magnet is inside so it can never pop off. Only issue with the mag plug is you cant just slap it on there you need to do an oil change before using it. So I did my first oil change on the grand Cherokee at 500 for this reason. I prefer the filter mag but I can guarentee you the mag plug does work and catches particulates everytime I changed my oil it had super fine particles stuck to it. You dont get the same level of satisfaction out of the filter mag since you cant see it unless you cut open the filter but its there. Some say the filter will catch and filter it anyways so the magnet is useless. The great thing about the magnet is it will grab even the smallest metal particle and will also help keep the filter cleaner longer so less clogging=more filter flow. Also use good quality oil and I change when my onboard computer says oil life is at 50%. I can do my change for about $50 myself with full synthetic and boss filter so its cheap insurance to keep my vehicles in top condition. I typically don't sell my cars unless I need to switch to a different platform. Recently had to sell my grand Cherokee to buy a pickup. Whoever ended up with that Jeep was lucky I am willing to bet there want a better maintained vehicle on the road. Im amazed people buy off lease cars knowing that most owners never change the oil till its time to turn it in. I would never by a used car that was a lease. If you bought a used lease vehicle this video is of no use to you the damage has already been done. I live in the south so no rust issues here Im planning on getting 30 years out of my new truck.

Pleas try Bosch oil filters. I’ve been running them for some years and have been very impressed with them.

I would like to see the mobil 1 tested again with this new set up A amsoil filter would also be a good addition to the test list as well Testing paper air filters would be a interesting video

I like the test parameters and the comedy too. Thank u

I would love to see what an oem toyota filter does compared to the Boss. I only ever run the Boss on my corolla. It saved my engine's crankshaft from defective cams that were breaking down. So I trust them! Heck they invented the oil filter. So that just says it all. Looking forward to the orange can of death video! Subd

Amazing work! You all really stepped it up with the rig 2.0! 👏

Purolator BOSS was the best all around

I work at Napa and all of our filters are either made by Mann & Hummel and Wix it depends on obviously the cost the company is going to charge but as of a year or so ago our filters are made by Wix for our oil and good majority of our Air filters(minus the big air filters for heavy equipment)

Mobil 1 should be here on your test bench too!!

I paid $16 for the one Wix XP yesterday. Really the only filter I run now. Did my truck and the car. Still cheaper than the shop and I know everything was put back tight

Very cool. I would have liked to see the mobil 1 compared to these. I normally use the wix xp, purolator boss, or the mobil 1.

The Mobil 1 filter NEEDS to be re-tested with this new setup!

The best filter is the one that actually gets changed often. I had a purolator back out on my GM twice. Leaked like a champ (made in USA). In 20 years never had an issue w the Fram, Mobil 1 or Wix. All good filters, priced well, usually made in Mexico and available at Mega Low Mart.

Here's a request. You used a common 3/4-16 threaded filter that fits a ton of Chrysler, Ford and Toyota applications. What if you replaced that short 51348XP filter with the longer 51516XP? What happens to the pressure drop and dirt holding?