current price $7.17. FRAM Tough Guard Oil Filter, TG2, 15,000 mile Replacement Oil Filter Fits select: 1993-2014 FORD F150, 2008-2012 DODGE RAM 1500. 68. 4.7 out of 5 Stars. 68 reviews. Save with. Toyota OE Engine Oil Filter 04152-YZZA1 - Weight 0.64 Pound - Height 4.1" Length 3.1" Width 3.1".MOTORCRAFT FL820S Oil Filter | RockAuto. Please click 'Part Catalog' tab above to find your vehicle and verify application. RockAuto ships auto parts and body parts from over …If you're just getting into Instagram, the social shoot-and-filter app that was hit Android last week and sold to Facebook yesterday, then you might want appreciate a primer on eac...Pack of 1 Genuine OEM Motorcraft FL820S Engine Oil Filter Ford Bulk. $14.50. Pack of 2 Genuine OEM Motorcraft FL820S Engine Oil Filter Ford Bulk. $24.50. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.NEW Motorcraft FL820S Oil Filter F1AZ-6731-A USA NOS. $7.05. NEW OEM 1998-2020 Ford F150 FL820S Oil Filter Motorcraft. $12.95. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.Shop for the best Engine Oil Filter for your 2023 Ford E-450 Super Duty, and you can place your order online and pick up for free at your local O'Reilly Auto Pa. ... Oil Filter Best For Synthetic Motor Oils; OE Number: FL820S. 1 Year Limited Warranty. Thread Size: M22-1.50. Height (in): 3-13/16 Inch. Outside ...Yeah, I seen a 4.6L Explorer today with a FL500S-size filter on it instead of a FL820S as was originally specified. Seems a lot of quick lubes are carrying the FL500S type only now for inventory simplification. Since it will fit where either are required. Personally, I use a FL820S type on my Mom's '09 Fusion V6 though it specifies a FL500S.Detailed Description. Engine Oil Filter; The polyester content enhances the strength of the media to withstand extended exposure to hot engine oil. Anti-drain back valves are included to help prevent dry starts. Anti-drain back valves that are made of silicone provide cold/heat resistance (down to -75 F and up to 450 degrees F).Jun 3, 2023 · In the following charts, you’ll get the oil filter part number for your specific Ford F150 model. Ford F150 2022. Oil Filter Part Number. 2.7L V6 EcoBoost. Motorcraft FL2062A (FT4Z6731A, KU2Z6731A) 3.3L V6, 3.5L EcoBoost V6, 5.0L V8. Motorcraft FL500S (AA5Z6714A) Ford F150 2021. Oil Filter Part Number. Discover if vent filters are effective at improving indoor air quality. Learn about the types of filters available and how they can benefit your home. Expert Advice On Improving Yo...Aftermarket MOTORCRAFT part FL820S Oil Filter information and product details. MOTORCRAFT FL820S photos and characteristics. Original (OEM) part numbers. The aftermarket competitive interchanges for MOTORCRAFT FL820S Replacement part offered by 1A FIRST AUTOMOTIVE, ACDelco, BORG & BECK, BOSCH, CLEAN FILTER, …FL-820S Motorcraft Oil Filter New for Ram Truck E150 Van E250 E350 E450 E550. $16.34. jdmpartsman714 (168,350) 98.5%. 27 sold. Save up to 5% when you buy more. Motorcraft FL-820S Oil Filters Case of 12 F1AZ-6731-BD Bulk Pack.Apr 28, 2023 ... Oil Filter Inspection. Today we'll compare a Mahle oil filter to a ChampXL oil filter. Are these oil filters any good? Would you use them?Motorcraft OEM FL820S Oil Filters FREE SHIPPING. $12.95. Motorcraft FL-820-S Oil Filter- FREE DELIVERY-USA. $6.89. NEW Motorcraft FL820S Oil Filter, F1AZ-6731-BD MADE IN USA. $4.50. OEM Genuine Ford Motorcraft Engine Oil Filter FL-820-S New. $14.99. Ford Motorcraft FL820S Oil Filter, NEW no box, MISSING GASKET.TEXACO T-36. VALVOLINE VO105. VALVOLINE VO47. WARNER WPH820. WIX 51372. WIX 57045. WIX 57502. WIX 57899. MOTORCRAFT FL820S Engine Oil Filter cross reference - find alternative filters compatible with the MOTORCRAFT FL820S.FREE Returns. $ 60 79. FREE Returns. Available at a lower price from other sellers that may not offer free Prime shipping. Genuine Motorcraft part that fits your specific vehicle. Oil Filter. Part Number: FL820S-12PK. Manufactured to meet specifications for fit, form, and function. › See more product details.Unfortunately I didn't have an 820s at the time so it wasn't tested, I had a 400s, but the its likely the same media is used in both motorcraft filters. So if you know the number and size of the pleats you can caclulate the flow and compare it to others on spreadsheet.Texas. Jan 21, 2005. #1. Our local W-M seems to have the Motorcraft filters in stock. I also buy the FL820S for my 95 CV. From some of the info that I've seen here though, might be time to stock up on the FL820S next time I'm in there. The ST-2's also seem to be in stock when I look, but I usually stick to the Motorcraft filters.Look up the correct size of a FRAM oil filter for a specific car by using Walmart’s online sizing tool or by navigating through the search options in the official FRAM online catal...Shop for the best Engine Oil Filter for your 2020 Ford F59, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. ... FL820S. 1 Year Limited Warranty. Thread Size: M22-1.50. Height (in): 3-13/16 Inch. Outside Diameter (in): 3-11/16 Inch. Gasket Thickness (in): 3/16 Inch ...When you’re changing your vehicle’s oil, not only do you want to replace the old oil, but replace the oil filter itself. The oil filter plays an important role in keeping dust, dir...This high performance oil filter from Ford Performance is just what you need to help keep your 1996-2022 Mustang on the road! Thanks to its heavy gauge base and canister, this oil filter offers higher burst strength and impulse fatigue resistance. This Ford Performance High Performance Oil Filter can be used on 4.6L 3V engines and the new 5.0L ... Detailed Description. Oil Filter; The polyester content enhances the strength of the media to withstand extended exposure to hot engine oil. Anti-drain back valves are included to help prevent dry starts. Anti-drain back valves that are made of silicone provide cold/heat resistance (down to -75 and up to 450 degrees Fahrenheit). Yeah, I seen a 4.6L Explorer today with a FL500S-size filter on it instead of a FL820S as was originally specified. Seems a lot of quick lubes are carrying the FL500S type only now for inventory simplification. Since it will fit where either are required. Personally, I use a FL820S type on my Mom's '09 Fusion V6 though it specifies a FL500S.Motorcraft OEM FL820S Oil Filters FREE SHIPPING. $12.95. Motorcraft FL-820-S Oil Filter- FREE DELIVERY-USA. $6.89. NEW Motorcraft FL820S Oil Filter, F1AZ-6731-BD MADE ... Ford Performance FL820S High Performance Oil Filter Mustang F-150 F-250. $18.51. 2PCS Engine Oil Filters Motorcraft FL820S For Ford F-150 Ranger Lincoln. $14.99. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include Amazon Associates. MOTORCRAFT FL 820S: Filter type: Full-Flow Lube Spin-on. Thread measurement: 22x1.5mm. Outer diameter: 93 mm (Approx. 3.66") Height: 101 mm (Approx. 3.98") Will get the oil changed very soon, & use a MotorCraft FL820S filter- since I have one sitting on the shelf! But the Hav filter seems to have done so well that I'll get another while they're on sale for the following oil change. At least with these filters, nitrile seems to be, once again, "good enough".When you’re changing your vehicle’s oil, not only do you want to replace the old oil, but replace the oil filter itself. The oil filter plays an important role in keeping dust, dir... The Ford Motorcraft OEM Oil Filter is designed to fit the 1996 to 2010 4.6L V8, the 2005-2010 4.0L V6 Mustangs and 2007-2009 Shelby GT500. FREE 1 to 3-Day Delivery on Orders $119+ Details Hello, Sign In My Account Oil Filter. 5.0. 12 Reviews. PS-2010. $7.99. Add to Cart. Oil Filter is a across-reference to the Ford FL820S Oil Filter. Buy a Oil Filter here.Ford Motorcraft oil filters collect direct and capture harmful particles for up to 5,000 miles or 6 months. ... FL820S. $6 to $10. Ordinary drivers and those who engage in track racing. Compatible with conventional or synthetic oil. FL2051S. $17 to $22.21,731. Location. Gales Ferry, CT. Mar 13, 2008. #10. SVT#4967 said: BrApple, I know you said you found the thread size of the 820S but just in case anyone is wondering, it's a 22mm x 1.5 Took me a while to find that info when I was looking for block adapters for relocating the oil filter.Feb 23, 2009 ... Look at the difference in total square inches of filtering media surface, Ford Racing is 250 square inches compared to 156 square inches for the ...Jan 20, 2005 · Oil & Lubrication - larger oil filters to replace the motorcraft fl820s - here is a list of lager oil filters to replace the fl820s providing you have enough room..these filters range from 5.2 high to 5.6 ..i use these on my 98 5.4 expy. and 98 lincoln continental:all of these have a superb flow and very low... Buy Motorcraft FL820S-12PK Oil Filter (F1Az6731Bd): Oil Filters - Amazon.com FREE DELIVERY possible on eligible purchasesHere was my take on the FL-820S substitues: Oil filters for Duratec 3.0L Ford’s P/N is F1AZ-6731-BD September 2006 NOTE: ALL OF THIS IS SUBJECT TO MANUFACTURER CHANGES AND SOURCING ISSUES SUCH AS INVETORY AND SUPPLY LINE CHANGES. IT IS RECOMMENED TO VISUALLY CHECK THE FILTER …Air conditioning filter is necessary to filter out dirt, dust, pollen, smoke and other pollution to ensure the indoor air quality is fresh. Expert Advice On Improving Your Home Vid...Affiliate programs and affiliations include Amazon Associates. MOTORCRAFT FL 810: Filter type: Full-Flow Lube Spin-on. Thread measurement: 20x1.5mm. Outer diameter: 77 mm (Approx. 3.03") Height: 86 mm (Approx. 3.39") MOTORCRAFT FL 810 replacement filters. AC-Delco PF1127.Oct 3, 2008 · The Old North State. Jul 10, 2012. #6. Stick with the FL820S. Until recently it's efficiency was really unknown. Recent Amsoil testing showed ~94%@20um, fine. BTW, never seen the linked 8 gram MC published spec, but if true that's still a lot of junk. Wix 51372 data sheet shows beta 2/20=12/25, 95%@25um, not bad either. Jan 20, 2005 · Oil & Lubrication - larger oil filters to replace the motorcraft fl820s - here is a list of lager oil filters to replace the fl820s providing you have enough room..these filters range from 5.2 high to 5.6 ..i use these on my 98 5.4 expy. and 98 lincoln continental:all of these have a superb flow and very low... PPE 114002700 Fuel Coolant Pump Relocation Kit. $35.99. ★★★★★ ★★★★★. Vehicle Fitment: 2020-2024 GM 6.6L Duramax L5P (Equipped With PPE 114000750 Premium High-Efficiency Oversized Oil Filter) In-Stock.The STEELMAN 06121 Oil Filter Cap Wrench 93mm x 15 Flute works with any standard 3/8-inch drive ratchet, extension, or torque wrench to allow you to quickly and easily remove screw in filters. Designed to fit over the end of the filter and grip the flutes around the edge allowing you to easily remove the old filter or install the new one.Motorcraft FL820S Silicone Valve Oil Filter. Motorcraft Silicone Valve Oil Filters are designed and tested to meet OE specifications for durability and reliability under extreme conditions. They are built to maximize performance and are made from high-quality materials. They offer high resistance which ensures lasting durability. Sold individually.Protect your engine with this Motorcraft Oil Filter FL820S. It delivers necessary lubrication to the moving parts while also helping to remove carbon, sand, dust and bits of metal. This Ford Raptor oil filter is designed, engineered and recommended by the Ford Motor Company.Jan 21, 2024 ... It has hand grips or you can use a 3/8" wrench. Why use this over the standard type that's just a rubber strip looped ...Find many great new & used options and get the best deals for Ford OEM Engine Oil Filter Lincoln Mercury Motorcraft FL820S F1AZ6731BD Set Of 6 at the best online prices at eBay! Free shipping for many products!PPE 114002700 Fuel Coolant Pump Relocation Kit. $35.99. ★★★★★ ★★★★★. Vehicle Fitment: 2020-2024 GM 6.6L Duramax L5P (Equipped With PPE 114000750 Premium High-Efficiency Oversized Oil Filter) In-Stock.The Pennzoil quick lube filters did the same as the Quaker State ones, and spec a PZ 173 if memory serves correctly. The truck (2004 F150 with 5.4) I bought had on of these installed by the quick lube place the previous owner used. Pain to remove when all your oil filter wrenches are for the FL820s size and not the smaller ones...Features. Tested and retested under extreme conditions, Motorcraft filters are also the only filters recommended for Ford, Lincoln and Mercury vehicles. Helps protect against engine wear by screening out abrasives, such as carbon, sand, dust and bits of metal. 80% efficiency on particles 20 microns and larger.Mar 13, 2008 ... ... anyone know if the thread on a 820S oil filter is the same as a FL1A filter ... oil filter is the same as a FL1A filter? ... The FL820S uses Metric ...Motorcraft Oil Filter FL820S $ 14 99. Part # FL820S. SKU # 140249. Check if this fits your Ford Explorer Sport Trac. Select store for pickup availability . Standard Delivery by May 14 - 15. Add TO CART. Sponsored. ACDelco Oil Filter 19433934. Sponsored. ACDelco Oil Filter 19433934 $ 12 99. Part # 19433934. SKU # 938574.May 12, 2012. #5. I think you are confusing the FL400s with the FL500s. The FL400s had been around awhile, and like was said earlier will not fit a FL820s application. The FL500s is the new kid on the block, and it matches the FL820s threads. I think the FL820s is being phased out in favor of the FL500s. It is smaller in diameter, longer in ...Motorcraft Oil Filter - ">Ford (8) 4.6L 91-11 ... FL820S Packaging Type: 1EACH Warranty Code: T. Product Warranty: Click Here to view warranty informationFord Parts are the original equipment for Ford vehicles and help restore vehicle performance and reliability. This Filter Assembly - Oil for your vehicle is backed by Ford Motor Company and built with the engineering expertise that can only come from a manufacturer with over 100 years of experience.Oil Filter. 5.0. 12 Reviews. PS-2010. $7.99. Add to Cart. Oil Filter is a across-reference to the Ford FL820S Oil Filter. Buy a Oil Filter here. Motorcraft FL820S Silicone Valve Oil Filter New. $20.02. NOS Motorcraft FL-820S Oil Filter F1AZ-6731-BD. $9.00. Engine Oil Filter Motorcraft FL-820-S New Fast Shipping. $9.99. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the ... Motorcraft FL820S Silicone Valve Oil Filter New. $20.02. NOS Motorcraft FL-820S Oil Filter F1AZ-6731-BD. $9.00. Engine Oil Filter Motorcraft FL-820-S New Fast Shipping. $9.99. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the ...Jan 20, 2013 ... Probably a coffee filter! The right oil filters are so important to these engines. That site claims a bad oil filter can actually break guides:Get the best Motorcraft oil filter products at the right price. Order online or pickup at your local AutoZone Auto Parts store. ... Motorcraft Oil Filter FL820S. Sponsored. Motorcraft Oil Filter FL820S $ 14 99. Part # FL820S. SKU # 140249. Check if this fits your vehicle. Select store for pickup availability . Standard Delivery by May 14 - 15 ...Here was my take on the FL-820S substitues: Oil filters for Duratec 3.0L Ford’s P/N is F1AZ-6731-BD September 2006 NOTE: ALL OF THIS IS SUBJECT TO MANUFACTURER CHANGES AND SOURCING ISSUES SUCH AS INVETORY AND SUPPLY LINE CHANGES. IT IS RECOMMENED TO VISUALLY CHECK THE FILTER … 100 sold. Driveworks Case Of 12 Oil Filter DW-4651 Motorcraft FL-820S Wix #51372 Fram #PH2. Brand New. $44.99. 22rev14 (625) 99.3%. or Best Offer. Free shipping. 20 sold. NEW Motorcraft FL820S Oil Filters Case of 12 Individually boxed FL820S OEM. Detailed Description. Oil Filter; The polyester content enhances the strength of the media to withstand extended exposure to hot engine oil. Anti-drain back valves are included to help prevent dry starts. Anti-drain back valves that are made of silicone provide cold/heat resistance (down to -75 and up to 450 degrees Fahrenheit).Here's something I found on one of my other handy forums: MOTORCRAFT OIL FILTER PRODUCT CHANGE FOR THE FL820S The length of Motorcraft oil filter FL-820S (F1AZ-6731-BD) is being reduced, allowing for easier removal and installation. There are no changes to the performance attributes of the oil filter.Details. Large filter media area provides optimum filtering efficiency throughout the oil change cycle. Prevents settled debris from entering and potentially damaging the engine. More Information. More Information. Product Name. …The STEELMAN 06107 Oil Filter Cap Wrench 93mm x 36 Flute works with any standard 3/8-inch drive ratchet, extension, or torque wrench to allow you to quickly and easily remove screw in filters. Designed to fit over the end of the filter and grip the flutes around the edge allowing you to easily remove the old filter or install the new one.Feb 26, 2013 · The 820's is the worst of the MC lineup. Many more reports of torn FL820S than the FL500S. Not sure if the bypass valve setting is the same for both. FL500S bypass valve is set to 17 PSI per Purolator who makes them. There must be a reason why Ford specs the FL500S for the 2015+ Coyote. And on my 2013 F150. MOTORCRAFT FL 820S - cross reference oil filters | oilfilter-crossreference.com. MOTORCRAFT FL 820S - Alternative oil filters. There are 122 replacement oil filters for …Buy a Ford Performance High Performance Oil Filter for your 1996-2022 Mustang with a 3.7L, 4.0L, 4.6L, 5.0L or 5.4L Engine from CJ Pony Parts! This filter can be bought individually or in a set of 6 or 12. ... - Replacement for the Motorcraft FL820S Filter - Can Be Used on 4.6L 3V Engines and the New 5.0L 4V TiVCT Mustang EnginesThe Motorcraft FL820s is truthfully the best filter for the Ford modular engines. The bypass location of this MC filter keeps the dirt inside the filter even when in bypass mode so that the cams don't get sludged. Also, this filter has metal end caps that holder the filter in place, a silicone ADBV, and a pretty good efficiency rating.Oil filters are an important part of keeping your car’s engine running well. To understand why your car needs oil filters in the first place, it helps to first look at how oil help...Oil Filter Inspection.Today we'll be opening up this used Motorcraft FL820s oil filter that was in service for 4,000 miles on a Lincoln Town Car. Is this oil... Ford Parts are the original equipment for Ford vehicles and help restore vehicle performance and reliability. This Filter Assembly - Oil for your vehicle is backed by Ford Motor Company and built with the engineering expertise that can only come from a manufacturer with over 100 years of experience. Oct 23, 2017 · The Motorcraft FL820s is truthfully the best filter for the Ford modular engines. The bypass location of this MC filter keeps the dirt inside the filter even when in bypass mode so that the cams don't get sludged. Also, this filter has metal end caps that holder the filter in place, a silicone ADBV, and a pretty good efficiency rating. May 21, 2022 ... Looks like Levittown calls out this p/n as not fitting. According to Ford performance they have it listed as Upgrade for Motorcraft FL-500 ...I cut open a Motorcraft FL-820S filter after it has been on my 2009 Ford Crown Vic Police Interceptor for 10,000 miles. I always run a 30 weight oil in this ...Protect your engine with this Motorcraft Oil Filter FL820S. It delivers necessary lubrication to the moving parts while also helping to remove carbon, sand, dust and bits of metal. This Ford Raptor oil filter is designed, engineered and recommended by the Ford Motor Company.Hi there Which is better for my 2015 GT PP 5.0 Coyote, FL-500S or FRPP FL-820? I know the FL500S has a lower bypass pressure than the FL820 and that the FL820 also has larger oil capacity. Of course both filter are bigger than the original Fomoco unit. Some pictures attached. Ford Performance FL820S High Performance Oil Filter Mustang F-150 F-250. $18.51. 2PCS Engine Oil Filters Motorcraft FL820S For Ford F-150 Ranger Lincoln. $14.99. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk. Free Shipping - Motorcraft Oil Filters with qualifying orders of $109. Shop Oil Filters at Summit Racing. Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! ... Motorcraft Oil Filters F1AZ6731BD MOF-FL820S. 4.75 out of 5 stars. Part Number: MOF-FL820S. Estimated Ship Date: Today. $7.49. Overview. Applications ...
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Ford Motorcraft FL820S Oil Filter, NEW no box, MISSING GASKET. $3.95. Ford Performance Parts CM-6731-FL820 Oil Filter, Canister, Each. $19.99. Genuine Ford Racing OEM CM-6731-FL820 High Performance Oil Filter. $25.95. NEW OEM Genuine Ford Motorcraft FL820S Engine Oil Filter FL-820-S. $8.50Mar 21, 2014 ... "The 2004 4.6L engine for this application was produced with two different oil filters depending on engine plant. Refer to the label on valve/ ...Quote: Originally Posted by Al Kohalic. Chalybs is right. The FL820 has a 16 psi bypass, and the FL500S which has an 8 psi bypass. The FL820S is a little longer, but requires double the pressure for the bypass valve to open especially on cold starts where it will open less frequently than the FL500S.Shop for the best Engine Oil Filter for your 2021 Ford E-450 Super Duty, and you can place your order online and pick up for free at your local O'Reilly Auto Pa. ... Oil Filter Best For Synthetic Motor Oils; OE Number: FL820S. 1 Year Limited Warranty. Thread Size: M22-1.50. Height (in): 3-13/16 Inch. Outside ...NAPA Gold Filters Mean Better Filtration And Longer Engine Life. Use Gold For Manufacturer OE Recommended Oil Change Intervals. For Master Pack Version, Use # 1372MP. Laboratory Test Performance per ISO 454812: 18 Grams Dirt (NAPA Gold # 1515), 99% Efficient At 23 Microns (Based On NAPA Gold # 1515, 1356, 7060) Use Gold For …FL820S - FILTER ASY - OIL - Ford. Breathe easy. Returns accepted. US $10.00Standard Shipping. See details. 30 days returns. Buyer pays for return shipping. See details. Special financing available.Features. Tested and retested under extreme conditions, Motorcraft filters are also the only filters recommended for Ford, Lincoln and Mercury vehicles. Helps protect against engine wear by screening out abrasives, such as carbon, sand, dust and bits of metal. 80% efficiency on particles 20 microns and larger.My 2002 MAZDA MPV ES has 101,000 miles on it, and I have used the FL-820S filter from day one. Mazda used a Ford V-6 in the MPV and I like this filter because of its size. Large filter on a V-6 engine where now a days you find engines this size with filters half its size.NEW Motorcraft FL820S Oil Filter F1AZ-6731-A USA NOS. $7.05. NEW OEM 1998-2020 Ford F150 FL820S Oil Filter Motorcraft. $12.95. The Air Filter Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.Ford OEM Engine Oil Filter Lincoln Mercury Motorcraft FL820S F1AZ6731BD 12 Pack. Visit the Ford Store. 4.6 99 ratings. | Search this page. $6819. …Find many great new & used options and get the best deals for Ford OEM Engine Oil Filter Lincoln Mercury Motorcraft FL820S F1AZ6731BD Set Of 6 at the best online prices at eBay! Free shipping for many products! FL-820S Motorcraft Oil Filter New for Ram Truck E150 Van E250 E350 E450 E550. $16.34. jdmpartsman714 (168,350) 98.5%. 27 sold. Save up to 5% when you buy more. Motorcraft FL-820S Oil Filters Case of 12 F1AZ-6731-BD Bulk Pack. The oil filter gets contaminants out of engine oil so the oil can keep the engine clean, according to Mobil. Contaminants in unfiltered oil can develop into hard particles that dam....