{"title":"Complete Sandwich Adapter Kits","description":null,"products":[{"product_id":"sandwich-plate-thread-extension-3-0l-duramax","title":"3.0L Duramax Sandwich Plate \u0026 Thread Extension Kit","description":"\u003ch2\u003eOil Filter Sandwich Plate with Thread Extension Kit – 3.0 Duramax\u003c\/h2\u003e\n\u003cp\u003eCreate a simpler oil-pressure supply connection for an Insane Diesel bypass oil filter system with this application-specific oil filter sandwich adapter.\u003c\/p\u003e\n\u003cp\u003eDesigned exclusively for the \u003cstrong\u003e3.0 Duramax engine\u003c\/strong\u003e, this complete assembly includes a precision-machined T6 billet aluminum oil filter sandwich plate and a correctly matched stainless-steel oil filter thread extender. The sandwich plate features a \u003cstrong\u003e3-inch sealing surface\u003c\/strong\u003e and installs at the engine’s oil filter location to provide the pressure-side oil supply connection required by a bypass oil filter system.\u003c\/p\u003e\n\u003ch3\u003eEasier Alternative to the Legacy Tee-Fitting Method\u003c\/h3\u003e\n\u003cp\u003eThe factory pressure-port location used by the legacy tee-fitting method is extremely difficult to access. This Sandwich Plate with Thread Extension Kit avoids that hard-to-reach connection and can reduce installation labor by an average of \u003cstrong\u003e2–3 hours\u003c\/strong\u003e. It is the recommended pressure-port option for most DIY installers and professional shops.\u003c\/p\u003e\n\u003ch3\u003eWhat Sets the Insane Diesel Design Apart\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-seal design:\u003c\/strong\u003e aluminum-to-aluminum sealing plus an O-ring.\u003c\/li\u003e\n\u003cli\u003ePrecision-machined T6 billet aluminum sandwich plate\u003c\/li\u003e\n\u003cli\u003eBlack-anodized finish\u003c\/li\u003e\n\u003cli\u003eCustom Insane Diesel engraving\u003c\/li\u003e\n\u003cli\u003eCorrectly matched stainless-steel oil filter thread extender\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned exclusively for the 3.0L Duramax engine\u003c\/li\u003e\n\u003cli\u003eProvides a pressure-side oil supply connection for a bypass oil filter system\u003c\/li\u003e\n\u003cli\u003eAvoids the extremely difficult-to-access factory pressure-port connection\u003c\/li\u003e\n\u003cli\u003eCan reduce installation labor by an average of 2–3 hours\u003c\/li\u003e\n\u003cli\u003e3-inch sealing surface\u003c\/li\u003e\n\u003cli\u003eMatched components designed to work together\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Installation and Maintenance Requirements\u003c\/h3\u003e\n\u003cp\u003eFollow these requirements along with the complete instructions supplied with the product:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuring initial installation:\u003c\/strong\u003e Clean the thread extender, apply \u003cstrong\u003eBlue Loctite 242\u003c\/strong\u003e or an equivalent threadlocker, and then torque the thread extender to \u003cstrong\u003e35 ft-lb\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAt every oil-filter change:\u003c\/strong\u003e Check that the thread extender is torqued to \u003cstrong\u003e35 ft-lb\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf the billet oil filter sandwich plate is ever removed:\u003c\/strong\u003e Replace the O-ring before reinstalling the plate. Do not reuse the old O-ring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne billet aluminum oil filter sandwich plate\u003c\/li\u003e\n\u003cli\u003eOne matched stainless-steel oil filter thread extender\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuying a Complete Bypass Oil Filter Kit?\u003c\/h3\u003e\n\u003cp\u003eSelect the Sandwich Plate with Thread Extension Kit as the pressure-port option on the complete 3.0L Duramax bypass oil filter kit page and \u003cstrong\u003esave $75\u003c\/strong\u003e compared with purchasing this product separately.\u003c\/p\u003e\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis oil filter sandwich plate and thread extender are designed only for the 3.0L Duramax engine.\u003c\/strong\u003e They will not fit other Duramax engine sizes or non-Duramax applications.\u003c\/p\u003e\n\u003cp\u003eThis product provides the oil-supply connection for a bypass oil filter system. \u003cstrong\u003eIt is not a complete bypass oil filter kit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAverage labor-time reduction is based on comparison with the legacy tee-fitting pressure-port method. Actual installation time varies by vehicle, tools, workspace, and installer experience.\u003c\/em\u003e\u003c\/p\u003e","brand":"Insane Diesel","offers":[{"title":"Default Title","offer_id":43944692940918,"sku":"Sand30D","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/7747\/2374\/files\/Puck-3.0l-DMAX-3.jpg?v=1785817232"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/7747\/2374\/collections\/Puck-3.0l-DMAX-4.jpg?v=1786467276","url":"https:\/\/insanediesel.com\/collections\/complete-sandwich-adapter-kits.oembed","provider":"Insane Diesel","version":"1.0","type":"link"}