How to Tell If an Oil Filter Is Good Quality | YourMechanic Advice

How to Tell If an Oil Filter Is Good Quality

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The engine and hydraulic systems of your car are expensive pieces of equipment that you must protect with a high quality oil filter. The oil filter performs many functions to help prolong the life of your engine. It cleans the motor oil and prevents contaminants from reaching the engine. There are a range of oil filters you can buy in the market and choosing the right one for your car with the most effective filtering media or membrane can be a little difficult. While it is always advisable to buy company recommended replacement parts, you could keep these factors in mind when opting for a high quality oil filter.

Effective membrane

High-grade oil filters can include up to 50% added usable surface area of membrane. The filter membrane is made of cellulose, synthetic media, or microglass fibers. These membranes are effective in removing particles; 20 to 40 microns in the case of cellulose, and 8 to 10 microns for synthetic media. Microglass fibers additionally offer low oil movement restriction and better durability.

Size of the internal valving, threads, and gasket

If you’re opting for a spin-on filter, ensure that you choose an oil filter with a hole at the bottom that has the same diameter as the company installed one. Also, make sure it has similar threads that can be SAE or metric. Not matching the right oil filter can result in oil leakages and damage to the mounting. If the motor oil continues to leak, over time, there will be insufficient oil to lubricate the engine leading to damage to its vital parts. This in turn will result in the engine not functioning properly, and ultimately, costly repairs. The positioning of the new gasket must also match the original.

Anti-drainback valve

Many oil filters also include an anti-drainback valve. This valve holds the motor oil inside the oil filter and does not allow it to drain when you turn off the ignition. As a result, when you start up the engine again, a better oil pressure allows it to reach the vital engine parts sooner, thus protecting them better.

Bypass valve

In case the oil filter is clogged and does not allow motor oil to reach the vital components of the engine, the bypass valve allows the oil to pass around the filter and lubricate it. Make sure your new oil filter has this failsafe measure.

Non-slip coating

If you’re using a spin-on oil filter, choose one that has a non-slip coating on the outside of the metal can. This will assist in replacing the oil filter media when needed.


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Jose

8 years of experience
33 reviews
Jose
8 years of experience
BMW 325i - Brake Pads Replacement (Front) - Redwood City, California
I had a few mechanics from YM and _all_ of them arrived late (some even 2 hours late) , but not Jose! He arrived right on time! I gave him the keys and let him do his job. I am a curious person so I asked him a few questions about his techniques and he had no problem answering them all with detailed explanations! He did run into a problem on my car because of stripped bolts, but he literally went above and beyond and found a way to remove it. Best mechanic ever.
Lexus CT200h - Brake Pads Replacement (Front) - South San Francisco, California
Jose was on time and did a great job on my brakes. He was friendly and explained the entire process. Would highly recommend.

Augustine

11 years of experience
35 reviews
Augustine
11 years of experience
Chevrolet Equinox - Brake Pads Replacement (Front) - Rio Rancho, New Mexico
Augustine was amazing. He was the perfect example of customer service all around. While he was working, I was recommending him to my neighbors. Next time I need work, I will be requesting Augustine specifically!!!!! Please give him a raise or bonus!!!
Toyota Corolla - Brake Pads Replacement (Front) - Albuquerque, New Mexico
Mr. Sanchez showed up on time and finished replacing my rotors and break pads. He was very informative and treats your car like his own. He was very time efficient and communicated very well. I highly recommend Mr. Sanchez’s services!!!!

John

26 years of experience
552 reviews
John
26 years of experience
GMC Yukon XL 1500 - Brake Pads Replacement (Rear) - League City, Texas
I am so happy John is back. I trust him very much. He is efficient and has a tremendous amount of mechanical knowledge. He is a true asset to Your Mechanic.
Ford F-150 - Brake Pads Replacement (Front, Rear) - Alvin, Texas
I like John because he is very knowledgeable about all my vehicles. In addition he is very organized regarding how he performs his work.

Wesley

8 years of experience
45 reviews
Wesley
8 years of experience
Dodge Nitro - Brake Pads Replacement (Front) - Peoria, Arizona
Great experience. Very professional, friendly, and knowledgeable. Highly recommended and will continue to use for future work.

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