Oil filters from both Mobil 1 and AMSOIL are highly regarded for their quality construction and filtering ability. These are premium oil filters with a price tag that tends to be on the higher-side of the market. Let’s compare the features and service life of both filter brands and (most importantly) their ability to remove particles.
It is important to disclose the fact that we sell AMSOIL Oil Filters. However, the information below is not our opinion. This information is taken straight from each brand’s respective data sheets.
About Mobil 1 Extended Performance Oil Filters
The main feature of Mobil Extended Performance Oil Filters is that they contain a synthetic-blend media. This type of media is a combination of cellulose and man-made materials. The media construction gives these filters good capacity and a long service life. Mobil 1 also offers robust components including a heavy-duty cannister and center tube, nitrile gaskets and sturdy anti-drain-back valves. Overall, these filters appear to be very solid products.
About AMSOIL Oil Filters
AMSOIL Oil Filters offer many ultra-premium characteristics. The main feature is their exclusive full-synthetic filter media. These filters also include heavyweight cannisters, stamped end-caps, nitrile gaskets, silicone anti-drain-back valves and a wire-backed filter media. AMSOIL Oil Filters for car/light-truck applications also have a gripper coating for easier installation.
Filtering Capabilities Of Mobil 1 And AMSOIL Oil Filters
The fact that Mobil 1 employs a synthetic-blend media while AMSOIL offers a full-synthetic media gives us predictable results in this category. AMSOIL’s filtering efficiency is roughly a 50% improvement over the efficiency of Mobil 1’s Extended Life filters.
Mobil 1 Extended Life Oil Filters have an absolute efficiency rating of 98.7% at 30 microns.
AMSOIL Oil Filters deliver an absolute efficiency rating of 98.7% at just 20 microns.
Service Life Of Mobil 1 Extended Life Versus AMSOIL Oil Filters
Important- Always refer to the oil filter product packaging for the service interval of your filter part number.
These oil filters from both AMSOIL and Mobil 1 are capable of long service life. This is a testament to the durable construction and good component choices.
- Mobil 1 Extended Life Oil Filters have a 20,000 mile service life (or one year) in the US market and a 25,000 KM service life (or one year) in the Canadian market.
- Larger AMSOIL Oil Filters (EAO part numbers) for automotive applications have a service interval of up to 25,000 miles (40,000 KM) or one year (whichever comes first).
- Smaller AMSOIL Oil Filters for (EA15K part numbers) for automotive applications should be changed at 15,000 miles (24,000 KM) or one year (whichever comes first).
Oil filters from both Mobil 1 and AMSOIL are well-built and boast a long service life. However, AMSOIL Oil Filters wield a significant advantage over Mobil 1 Extended Life models in terms of small particle filtering ability.