Dec 27, 2019 · I sent an email to Denso regarding their oil filters. It said: With your Denso oil filters, what is the contaminant particle size (in microns) and the filter’s efficiency percentage? Here is the reply: …

Feb 3, 2025 · It seems like Subaru has finally gotten its act together and sourced a first-rate filter with the newish Japan-manufacture Tokyo Roki filters. I can get Subaru filters for about $9 apiece, …

Apr 12, 2009 · Been using Denso oil filters since 1967 when I purchased my first Toyota, a four door Corona with the 3R engine. For some years, it was Nippon Denso. Don't recall when Nippon was …

Jul 8, 2008 · The Denso brand that I used to crossover/replace a Toyota 90915-YZZD1 was built a lot differently inside. The Denso had conventional metal endcaps rather than fused ends on the media …

Dec 29, 2010 · This made-in-China Toyota/Denso oil filter came the second from the top in this Finnish magazine's tests. As you see, quality of the Toyota OEM oil filters greatly vary, as they are …

Mar 2, 2004 · I have always been a big fan of Denso oil filters. I make it a habit to throw a couple on every Rockauto purchase if the shipping warehouses align just right. Cost $4 and change, silicone …

Oct 13, 2008 · What was the COO of the Denso filter?..... Coo is China, same as the FTF oil filters now. In contrast to OFs though, no (now proven) nitrile adbv vs older FTF silicone to consider. Examining …

Jun 7, 2005 · Denso makes great quality filters, and is the primary OEM for Toyota's oil and air filters. The most highly regarded Toyota OEM oil filter (part no. 90915-20004) is made by Denso and has …

May 15, 2009 · The Thailand made denso filters are excellent. I'm not sure if I want to spend $15+ for a Japan made filter. The construction is different inside but as long as you change your oil and filter …

Dec 23, 2013 · I've used Denso wiper blades, air filters and spark plugs. Good quality parts. Never tried a Denso oil filter.