{"product_id":"20-gallon-fuel-cell-for-lwb-conversion-15-stretch-jeep-yj-tj","title":"20 Gallon Fuel Cell for LWB Conversion \/ 15\" Stretch - Jeep YJ \/ TJ \/ LJ","description":"\u003cp class=\"isSelectedEnd\"\u003eWhether you already have a Jeep LJ running a Motobilt LJ Back Half Kit, are converting a standard-wheelbase TJ to LJ dimensions, or are stretching a YJ to LJ length with the Motobilt 15\" Stretch Back Half, fuel tank placement becomes an important part of the rear chassis layout. The MB5074 was designed specifically for these builds, allowing the fuel cell to mount between the rear frame rails behind the axle instead of taking up valuable cargo space inside the Jeep.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIn the past, one of the common solutions was putting a fuel cell inside the Jeep behind the seats. That takes up valuable cargo room and puts the fuel cell inside the passenger compartment. The Motobilt MB5074 20 Gallon Fuel Cell was designed to move that fuel storage out of the interior and into the space created by the new rear chassis layout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MB5074 mounts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebetween the rear frame rails and behind the rear axle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, keeping the cargo area open while providing 20 gallons of fuel capacity. It is designed around the Motobilt MB3067 15\" Stretch Back Half for the Jeep YJ, the MB3020-S and MB3020-W LJ Back Half Kits commonly used to convert a Jeep TJ to LJ dimensions, and the upcoming MB3082 LWB Conversion Back Half.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 20-gallon fuel cell is constructed from 5052 aluminum and protected underneath by an A36 steel skid plate. A CNC-machined aluminum filler neck with a threaded cap and O-ring provides a secure fill point. A brass rollover valve and vent hose are included for tank venting, along with a 1\/2\" plugged port that can be used as a return port when required by the fuel system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MB5515 fuel pump mounting ring is already welded into the tank. This provides the mounting interface for a compatible fuel pump, but \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethe fuel pump itself is not included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The MB5515 setup also includes a blank plate, giving builders a starting point for custom fittings or an aftermarket fuel pump configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is not a universal YJ or TJ fuel cell. It is a purpose-built fuel system for stretched YJs, TJ-to-LJ conversions, factory LJ builds using the compatible back halves, and other specifically listed Motobilt LWB back half applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e20-gallon fuel capacity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounts between the rear frame rails and behind the rear axle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeeps the fuel cell out of the passenger and cargo area\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for YJ 15-inch stretch and TJ-to-LJ length conversion applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with MB3067 15\" Stretch Back Half for Jeep YJ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with MB3020-S LJ Back Half with Stubby Bumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with MB3020-W LJ Back Half\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMB3020-S and MB3020-W can be used when converting a standard-wheelbase TJ to LJ dimensions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with upcoming MB3082 LWB Conversion Back Half\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDoes not fit standard YJ or TJ back half kits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel cell constructed from 5052 aluminum\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSkid plate constructed from A36 steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMB5515 fuel pump mounting ring is installed and welded into the fuel cell\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel pump is not included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes MB5515 blank plate for custom fuel system applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes CNC-machined aluminum filler neck\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThreaded filler cap uses an O-ring seal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes brass rollover valve and vent hose\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes 1\/2\" plugged port that can be utilized as a return port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes necessary mounting brackets and rubber strips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional MB5031 Universal Fuel Access Hatch Kit sold separately\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eVehicle \/ Application Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eJeep YJ with MB3067 15\" Stretch Back Half\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eJeep TJ converted to LJ dimensions using MB3020-S or MB3020-W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eJeep LJ with MB3020-S or MB3020-W Back Half\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLWB conversion using upcoming MB3082 Back Half\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eMB5074\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFuel Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e20 Gallons\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFuel Cell Material\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e5052 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSkid Plate Material\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA36 Steel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e12.5\" H x 37\" W x 9.5\" D\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e116 lbs total for fuel cell and skid plate\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFuel Pump Mount\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eMB5515 fuel pump mounting ring installed and welded to fuel cell\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFuel Pump\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNot included\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFiller\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCNC-machined aluminum filler neck with threaded cap and O-ring seal\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eVenting\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBrass rollover valve and vent hose included\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Port\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e1\/2\" plugged port that can be used as a return port depending on fuel system configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMounting\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eMounting brackets and rubber strips included\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eManufactured\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MB5074 mounts between the rear frame rails and behind the rear axle. This location is made possible by the chassis layout created by the compatible Motobilt stretch and back half systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen installing the MB5074 with the MB3067, MB3020-S, or MB3020-W, the installer will need to drill the required mounting holes into the back half and weld nuts in place for mounting. The necessary fuel cell mounting brackets and rubber strips are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe fuel pump is not included. The MB5515 fuel pump mounting ring is already welded into the tank and provides the mounting interface for the fuel pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe included MB5515 blank plate can be modified by the builder for custom fittings or an aftermarket fuel pump configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor builders who want access to the fuel pump from above, the Motobilt MB5031 Universal Fuel Access Hatch Kit is available separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFuel system plumbing, venting, electrical connections, and final configuration must be completed for the specific vehicle and fuel system being used.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use the MB5074 when converting my Jeep TJ to LJ dimensions?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. This is an important application for the MB5074. When a standard-wheelbase Jeep TJ is converted to LJ dimensions using the Motobilt MB3020-S or MB3020-W LJ Back Half Kit, the MB5074 provides a 20-gallon fuel cell designed to package between the new rear frame rails and behind the axle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDo I need to start with a factory Jeep LJ to use this fuel cell?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. The MB3020-S and MB3020-W LJ back half systems can be used as part of a TJ-to-LJ length conversion. The MB5074 works with these back half configurations whether the build starts as a standard-wheelbase TJ or uses the compatible LJ configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat problem does the MB5074 solve on a stretched YJ or TJ-to-LJ conversion?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOnce the rear chassis is stretched or converted to LJ dimensions, the fuel system needs to work with the new frame and suspension layout. Instead of putting a fuel cell behind the seats and sacrificing cargo room, the MB5074 positions 20 gallons of fuel between the rear frame rails and behind the axle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat Motobilt back half kits does the MB5074 fit?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MB5074 fits the MB3067 YJ 15\" Stretch Back Half, MB3020-S LJ Back Half with Stubby Bumper, MB3020-W LJ Back Half, and the upcoming MB3082 LWB Conversion Back Half.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill the MB5074 fit a standard YJ or TJ back half?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. This fuel cell is specifically packaged around the listed stretch and LWB back half configurations. It does not fit standard YJ or TJ back half kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhere does the fuel cell mount?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MB5074 mounts between the rear frame rails and behind the rear axle. This keeps the fuel cell outside the passenger compartment and preserves usable cargo space behind the seats.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the MB5074 include a fuel pump?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. The fuel pump is not included. The MB5515 fuel pump mounting ring is already welded into the aluminum fuel cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use a custom or aftermarket fuel pump setup?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe included MB5515 setup comes with a blank plate that gives fabricators a starting point for custom fuel system configurations. Builders can modify the plate for fittings or use it when adapting an aftermarket fuel pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the fuel cell include a filler neck and vent?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. The MB5074 includes a CNC-machined aluminum filler neck with a threaded cap and O-ring seal. A brass rollover valve and vent hose are also included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I run a fuel return line?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe fuel cell includes a 1\/2\" plugged port that can be utilized as a return port if required by the fuel system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs a fuel pump access hatch included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. An access hatch is not included. The Motobilt MB5031 Universal Fuel Access Hatch Kit is available separately for builders who want to incorporate service access from above.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the MB5074 include a skid plate?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The system includes the 5052 aluminum 20-gallon fuel cell and an A36 steel skid plate to protect the tank in its rear chassis mounting location.\u003c\/span\u003e\u003c\/p\u003e","brand":"Motobilt","offers":[{"title":"Default Title","offer_id":47559651360852,"sku":"MB5074","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2714\/8736\/files\/7ABDA0CE-A429-4B38-81A8-182ED2C17636.jpg?v=1790110933","url":"https:\/\/motobilt.com\/products\/20-gallon-fuel-cell-for-lwb-conversion-15-stretch-jeep-yj-tj","provider":"Motobilt","version":"1.0","type":"link"}