{"product_id":"rd158-42270-outer-inner-air-filter-kit-rd158-42280-for-kubota-kx040-4-kx040-5","title":"RD158-42270 Outer Inner Air Filter Kit RD158-42280 for Kubota KX040-4 KX040-5","description":"\u003ch2\u003eAir Filter Kit for Kubota\u003c\/h2\u003e\u003cp\u003eThis Outer Inner Air Filter Kit for Kubota KX040-4 and KX040-5 models replaces RD158-42270 and RD158-42280, providing essential two-stage filtration for excavator engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Outer Inner Air Filter Kit combines the outer and inner filter elements into one complete package for Kubota KX040-4 and KX040-5 compact excavators. The kit removes airborne contaminants before they enter the engine, preserving combustion efficiency and reducing wear. It is a direct service replacement for cross-reference numbers RD158-42270 and RD158-42280.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDual element design for maximum particulate capture\u003c\/li\u003e\n\u003cli\u003eHigh-strength filter media resists moisture and clogging\u003c\/li\u003e\n\u003cli\u003ePrecision-molded seals prevent unfiltered air bypass\u003c\/li\u003e\n\u003cli\u003eReplaces OEM cross-reference RD158-42270 and RD158-42280\u003c\/li\u003e\n\u003cli\u003eStable pleat spacing ensures consistent airflow under load\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kubota KX040-4\u003c\/li\u003e\n\u003cli\u003efor Kubota KX040-5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCompact excavator trenching\u003c\/li\u003e\n\u003cli\u003eUtility digging and foundation work\u003c\/li\u003e\n\u003cli\u003eLandscaping and site preparation\u003c\/li\u003e\n\u003cli\u003eDemolition and debris handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRD158-42270; RD158-42280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOuter and inner air filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKubota KX040-4, KX040-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What symptoms indicate a clogged air filter on this excavator? \u003cstrong\u003eA:\u003c\/strong\u003e Reduced engine power, increased fuel consumption, and black exhaust smoke are common signs. Replacing the filter kit restores proper air intake and engine responsiveness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the inner filter included in this kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes both the outer and inner filter elements, ensuring a complete service set for the KX040 series. Always replace both elements together to maintain filtration efficiency.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46611746259130,"sku":"ZZ3F05682","price":63.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_48991bf1-af62-4657-a545-7a45333f0177.jpg?v=1789010295","url":"https:\/\/partoutfitters.com\/products\/rd158-42270-outer-inner-air-filter-kit-rd158-42280-for-kubota-kx040-4-kx040-5","provider":"Part Outfitters","version":"1.0","type":"link"}