Cummins Block Adapter Kit

    Part # 231 is the Cummins Diesel Block Adapter O-Ring Kit.
    More makes and models than those listed can fit block adapters.
    Compare thread and seal specifications and determine whether disposable filter is appropriate for the application.
    Screw-On Block Adapter is the type of filter adapter.
    Threaded Insert: Block Disposable Filter, 1.00'' X 16 TPI
    A #12 O-Ring Boss fitting with an inlet and outlet size of 1 1/16" and 12 TPI.
    No Fittings Included
    Sealing O-Ring : Viton® sealing O-Ring Part #231 (1 O-Ring Included)
    Inside O-Ring Groove Diameter : 2 1/2” ID
    Outside O-Ring Groove Diameter : 2 7/8” OD
    Adapter Materia l : 6061 T6 Billet Aluminum
    Adapter Finish : Clear or Black Anodized
    Quantity : Sold as Kit including Block Adapter and 1 Sealing O-Ring


Cummins Diesel Block Adapter Kit. Block Adapters are designed for high flow without restrictions. This adapter screws onto the block where the stock disposable filter usually goes. Kit comes with Viton® O-Ring.
Block Adapters screw on where the stock disposable filters usually go on the block. Block adapter Ports are threaded for #12 O-Ring boss fittings. Block Adapters are engraved which Port is In and Out to help with install. Block adapters are plumbed with the Out Port of the block adapter to the In Port of the remote filter. The Out Port of the filter goes to the In Port of the block adapter. Also can work with Dry Sump setups by plugging the Outlet Port of the block adapter and just using the Inlet Port. Block Adapter Kits come with a Viton® sealing O-Ring.