{"product_id":"enl80-0176-inner-spring","title":"9M5349 Inner Valve Spring Fits Caterpillar Industrial Construction D398 D398B","description":"\u003ch3\u003eOne New Aftermarket Replacement Inner Valve Spring Fits Caterpillar (Fits CAT) Industrial and Construction Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket inner valve spring is a direct replacement Fits Caterpillar OEM part number 9M5349. The inner valve spring is part of the dual valve spring assembly in the cylinder head valve train, working alongside the outer spring to maintain precise valve seating and control valve float across the RPM range. Compatible with a wide range of Fits Caterpillar diesel and gas engines used in track-type tractors and industrial power applications.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFree Length: 55.35 mm (2.179 in.)\u003c\/li\u003e\n\u003cli\u003eOuter Diameter (OD): 28.57 mm (1.125 in.)\u003c\/li\u003e\n\u003cli\u003eSolid Length: 28.1 mm\u003c\/li\u003e\n\u003cli\u003eWire Diameter: 3.175 mm (0.125 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 0.09 lbs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Engine Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Diesel Engines:\u003c\/strong\u003e D342, D342C, D353C, D379, D379A, D379B, D398, D398A, D398B, D399\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Gas Engines:\u003c\/strong\u003e G342C, G379, G398, G398B, G399\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Track-Type Tractors:\u003c\/strong\u003e D7, D7E, D8, D8H, D8K, D9H\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e9M5349, 9M-5349, CA9M5349\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eENL80-0176 (aftermarket cross-reference), Interstate-McBee M 9M5349\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":17725326360627,"sku":"ENL80-0176","price":24.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/ENL80-0176_01.jpg?v=1757718310","url":"https:\/\/www.reliableaftermarketparts.com\/products\/enl80-0176-inner-spring","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}