Bypass Systems


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By-Pass Filter Elements



The Ea By-Pass Oil Filter (EaBP) provides the best possible filtration protection against wear and oil degradation. Working in conjunction with the engine’s full-flow oil filter, the AMSOIL Ea By-Pass Filter operates by filtering oil on a “partial-flow” basis.

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Marine Bypass Filtration System



Offers easily accessible remote mounting capability for a full-flow spin-on oil filter and a spin-on by-pass oil filter for marine applications. Must purchase separately the spin on adapter that matches the engine's filter thread.

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Single Remote Bypass Kit



Engine wear is caused by dirt particles of about 5 microns. By-pass filtration removes particles less than one micron or larger, virtually eliminating engine wear. Filters all of the oil in a 6 quart system in about 5 minutes. Without bypass filter element - 1 required. For use with EaBP90, EaBP100 or EaBP110 Element.

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DUAL-GARD Oil Bypass System



Links two AMSOIL By-Pass Filter Elements together for engines with sump capacities greater than 20 quarts. Includes Flow Restrictor without hardware, hoses or filter elements - 2 required. For use with EaBP90, EaBP100 or EaBP110 Element.

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General Use Dual Remote Oil Bypass Unit



Combines Full-Flow and By-Pass filtration on a single, easy-to-install mount. All installation parts except filter spin-on adapter are included. Must purchase the spin on adapter that matches the filter thread on your vehicle. Without filter elements - 2 required. For use with EaBP90, EaBP100 or EaBP110 Element. Spin-on Adapter BP402M is designed for 2008-Present Chevrolet 1500 & 2500 gas engines.

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Dodge Cummins Oil Bypass Unit



For Dodge Cummins applications. Includes both filters and spin-on adapter.

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Ford 7.3L PowerStroke Oil Bypass Unit



For Ford 7.3L PowerStroke applications. Includes both filters and spin-on adapter.

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GM & Duramax 6.6L Oil Bypass Unit



For GM & Duramax 6.6 liter applications. Includes both filters and spin-on adapter.

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BMK30 Heavy-Duty By-Pass Filtration System



For heavy-duty by-pass applications. Featuring the same synthetic nanofiber media as the rest of the Ea By-Pass Filter family. Filter and hose not included with the BMK30 kit. The EaBP120 Filter and hose (BP250) must be purchased separately.

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BK30 - Sample Valve Kit for BMK30



Designed for use with the AMSOIL Heavy-Duty By-Pass Filtration System (BMK30). Installs directly onto the BMK30 mount and includes the Deluxe Oil Sampling Valve (G1570), providing samples at the push of a button.

Bypass Spin-on Adapter 3/4" - 16



Spin-on adapter for filter threads. Adapts 3/4" - 1



Bypass Spin-on Adapter 13/16" - 16



Spin-on adapter for filter threads. Adapts 13/16" - 16

Bypass Spin-on Adapter 18mm - 1.5mm



Spin-on adapter for filter threads. Adapts 18mm - 1.5mm


Bypass Spin-on Adapter 20mm - 1.5mm



Spin-on adapter for filter threads. Adapts 20mm - 1.5mm


Bypass Spin-on Adapter 22mm - 1.5mm



Spin-on adapter for filter threads. Adapts 22mm - 1.5mm


Bypass Spin-on Adapter 1" - 16



Spin-on adapter for filter threads. Adapts 1" - 16


Bypass Spin-on Adapter 1.5" - 16



Spin-on adapter for filter threads. Adapts 1.5" - 16


Bypass Spin-on Adapter 13/16" - 16



Spin-on adapter for filter threads. Adapts 13/16" - 16