{"product_id":"flywheel-bell-housing-3937426-3903282-4947579-forcummins-4b-4bt-4bta-6b-6bt-6bta","title":"Flywheel Bell Housing 3937426 3903282 4947579 forCummins 4B 4BT 4BTA 6B 6BT 6BTA","description":"\u003cstrong\u003eDesigned for select Cummins diesel engines and compatible equipment, this aftermarket flywheel bell housing helps restore the structural connection between the engine and transmission.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe bell housing surrounds the flywheel area and aligns the engine with the transmission or driven equipment. Cracks, damaged threads, worn mounting surfaces, or impact damage can make replacement necessary.\u003c\/p\u003e\u003cp\u003eReplacement references include \u003cstrong\u003e3937426, 3903282, 4947579\u003c\/strong\u003e. Compare the part number, engine family, transmission pattern, starter location, mounting holes, and housing depth before ordering.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Cummins engine applications\u003c\/li\u003e\n\u003cli\u003eRequires accurate alignment during installation\u003c\/li\u003e\n\u003cli\u003eRestores the engine-to-transmission mounting structure\u003c\/li\u003e\n\u003cli\u003eProtects the flywheel and coupling area\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eCompatible with Cummins 4B, 4BT, 4BTA, 6B, 6BT, and 6BTA engine applications. Serial-number breaks, production changes, or equipment options may affect the required part.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Flywheel Bell Housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e Cummins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 3937426, 3903282, 4947579\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can a bell housing be selected by engine family alone? \u003cstrong\u003eA:\u003c\/strong\u003e No. Match the part number, transmission pattern, starter location, depth, and all mounting features with the original housing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this an original OEM part? \u003cstrong\u003eA:\u003c\/strong\u003e No. It is an aftermarket component made to replace the listed part in compatible equipment.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eConfirm the original part number and physical configuration before ordering, especially when multiple versions were used.\u003c\/em\u003e\u003c\/p\u003e","brand":"Northline Parts","offers":[{"title":"Default Title","offer_id":42903999184967,"sku":"ZZ2F00225","price":793.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/177556903280-0.jpg?v=1782415091","url":"https:\/\/www.northlineparts.com\/products\/flywheel-bell-housing-3937426-3903282-4947579-forcummins-4b-4bt-4bta-6b-6bt-6bta","provider":"Northline Parts","version":"1.0","type":"link"}