{"product_id":"j929039-camshaft","title":"3929039 Camshaft fits Cummins 4B 4BT 4BTA 3.9 3914638 3925582","description":"\u003ch3\u003eOne New Aftermarket Replacement Camshaft for Cummins 4B \/ 4BT \/ 4BTA 3.9L Diesel Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement camshaft fits the Cummins B Series 3.9L four-cylinder diesel engine family, including the naturally aspirated 4B, turbocharged 4BT, and turbocharged\/aftercooled 4BTA variants. The camshaft is a core valvetrain component that controls intake and exhaust valve timing throughout the engine's operating cycle. The Cummins 4BT 3.9L (CDC 4.390) is a 239 cubic inch, 4-cylinder engine with a 4.02 in \/ 102 mm bore and 4.72 in \/ 119 mm stroke, widely used in agricultural tractors, construction equipment, and industrial machinery.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine Family: Cummins B Series 3.9L (4B, 4BT, 4BTA) - 8-valve models\u003c\/li\u003e\n\u003cli\u003eDisplacement: 239 cubic inches (3.9L)\u003c\/li\u003e\n\u003cli\u003eBore: 4.02 in \/ 102 mm\u003c\/li\u003e\n\u003cli\u003eStroke: 4.72 in \/ 119 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCummins Engines:\u003c\/strong\u003e 4B (Non-Turbo), 4BT (Turbo), 4BTA (Turbocharged Aftercooled) - 8-valve models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Case IH (Fits International Harvester) Tractors:\u003c\/strong\u003e 5120 Maxxum, 5220 Maxxum\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Case IH Windrowers:\u003c\/strong\u003e 8840\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Case Construction Equipment:\u003c\/strong\u003e 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT (Skid Steers); 450C, 455C, 550, 550E, 550G, 570L, 570LXT, 580K, 580L, 580SE, 580SK, 580SL, 580M, 590, 590SL (Backhoes\/Crawlers); 650, 650G, 688, 860 (Crawlers\/Trenchers); 1840, 1845C, 9010, 9020 (Skid Steers)\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e3929039, 3914638, 3925582, J929039, J929039-A\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":17722818035763,"sku":"J929039","price":260.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/J929039_01.jpg?v=1757752450","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/j929039-camshaft","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}