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PARTS COUNTER: Clear View Filtration 4″ Screw-On Oil Filter Assembly

4″ Screw-On See Through Filter Assembly with #12 Ports and 115 Micron Element, for running 50 weight or lighter oil. For use with disposable filters on the bottom of the See Through Oil Filter. Dual filtration gets all the microscopic particles out of the oil. These filters are smaller and lighter which make it easier to mount in tight engine compartments.

  • Part Number: 400-115 & 400-115-B

  • Smallest Particles Filtered: depends on the disposable filter microns, varies on brand

  • Recommended Disposable Filter: (not included) K&N # HP-2002 or # HP-3002 or WIX #51069 or # 51060 BlackOut Series can use Napa Gold filters

  • Disposable Filter Thread Size: 13/16” – 16 TPI

  • Bypass Relief Valve: Yes

  • Inlet & Outlet Fitting: #12 O-Ring Boss – 1 1/16” – 12 TPI

  • Operating Temp: max 220 degrees Fahrenheit

  • Operating Pressure: max 150 PSI

  • Height (without disposable filter): 3.00 in.

  • Width: 5.00 in.

  • Length: 6.00 in.

  • Filter Weight: 3.4 pounds

  • Sold as Kit including; Filter Assembly, 115 Micron Element, and Bracket Kit (**WARNING Filter Nuts and Bracket bolts are shipped un-tightened they need to be tighten before filter is used.**)

  • Recommended: Extra Filter Element Part # 440-115

  • Suggested Replacement Parts: ~Window Part # 412-480 ~O-Ring Kit Part # 425 ~Filter Stud Kit (set of 2) Part # 135 ~Air Fitting Part # 148 ~Oil Pressure Port Fitting Part # 169 ~Block Adapters also available

  • Filters are Clear or Black Anodized for Protection and Durability.

Part# 400-115 4″ Screw-On See Through Filter Assembly #12 ports and 115 micron element Price $479.95

Part# 400-115-B 4″ Screw-On Black Out See Through Filter Assembly #12 ports and 115 micron element Price $499.95

Clear View Filtration’s Patented Dual Oil Filter Assemblies are the Best Oil Filtration System Available. This 4” Screw-On Filter Assembly was designed for most Big and Small Block Engine combinations, including Street, Dirt and Marine use. This filter is the best choice for motorsports ran on dirt and other applications where the user wants to filter microscopic and dust particles out of the oil system. Also where space is limited and being light weight is important! Oil first flows through the see through filter which the element traps all the larger particles that can be viewed and inspected while the microscopic particles flow into the disposable filter and are filtered out. The clean filtered oil flows out of the filter assembly through the outlet opening back into the engine. A shot of air empties the filter in seconds exposing the element and filtered particles without draining or leaking any oil and without unbolting or loosening any fasteners or fittings. Filters are remotely mounted and can work on many applications including diesels. This dual stage filter will extend the life and flow of the disposable filter and still allow visual inspection of filtered particles for engine inspection.

  • Filters are machined with a recess groove on the bottom sealing surface, so the disposable screw-on filter o-ring will seal and help prevent blow outs on high pressure applications.

  • When running a Screw-On Filter a 115 micron element is recommended (in the See Through Filter).

  • Filters have 2 Inlet and 1 Outlet Openings that are threaded for #12 O-Ring Boss – 1-1/16-12 TPI fittings. The Inlet and Outlet Ports are machined to 5/8” diameter and will not restrict fluid flow using a #12 line and #12 O-Ring Boss fittings.


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