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-2003 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

Additional information

Weight 6 lbs
Dimensions 8 × 7 × 4 in


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