{"product_id":"air-filter-set-3466688-3466687-fit-caterpillar-d3k2-lgp-d3k2-xl-d4k2-lgp-d4k2-xl","title":"Air Filter Set 3466688 3466687 Fit Caterpillar D3K2 LGP D3K2 XL D4K2 LGP D4K2 XL","description":"\u003ch2\u003eAir Filter Set for Caterpillar\u003c\/h2\u003e\u003cp\u003eThis air filter set includes primary and secondary filters with cross reference numbers 3466688 and 3466687, designed for Caterpillar D3K2 LGP, D3K2 XL, D4K2 LGP, and D4K2 XL dozers. It cleans incoming engine air to protect the turbocharger and internal components from abrasive dust and debris. This air filter set for Caterpillar ensures optimal airflow and filtration performance in demanding earthmoving conditions.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis air filter set for Caterpillar replaces OEM part numbers 3466688 and 3466687, providing a complete two-stage filtration solution. The set consists of an outer primary filter and an inner safety filter that work together to capture fine particles. Designed for Caterpillar D3K2 and D4K2 series machines, this air filter set maintains engine efficiency and prolongs service life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-capacity pleated media for extended service intervals\u003c\/li\u003e\n\u003cli\u003eDual-layer filtration with primary and safety elements\u003c\/li\u003e\n\u003cli\u003eRigid construction resists collapse under heavy airflow\u003c\/li\u003e\n\u003cli\u003ePrecision-sealed gaskets prevent unfiltered air bypass\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM cross references 3466688 and 3466687\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Caterpillar D3K2 LGP\u003c\/li\u003e\n\u003cli\u003efor Caterpillar D3K2 XL\u003c\/li\u003e\n\u003cli\u003efor Caterpillar D4K2 LGP\u003c\/li\u003e\n\u003cli\u003efor Caterpillar D4K2 XL\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in dozing, grading, and site preparation operations\u003c\/li\u003e\n\u003cli\u003eReplaces clogged filters during scheduled engine maintenance\u003c\/li\u003e\n\u003cli\u003eSuitable for dusty construction, quarry, and agricultural environments\u003c\/li\u003e\n\u003cli\u003eKeeps engine air intake clean in harsh operating conditions\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\u003e3466688, 3466687\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir Filter Set (Primary + Safety)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Caterpillar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD3K2 LGP, D3K2 XL, D4K2 LGP, D4K2 XL\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 is the difference between the two filters in this air filter set for Caterpillar? \u003cstrong\u003eA:\u003c\/strong\u003e The primary filter captures the bulk of contaminants, while the secondary safety filter protects the engine if the primary filter is damaged or during removal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How often should this air filter set be replaced? \u003cstrong\u003eA:\u003c\/strong\u003e Replace when the filter restriction indicator signals a blockage or at the interval specified in the machine maintenance schedule, whichever comes first.\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":46610730516666,"sku":"ZZ3F08506","price":93.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_4a9d2ab6-2b2f-43ce-9966-b0481f6a61fa.jpg?v=1789002457","url":"https:\/\/partoutfitters.com\/products\/air-filter-set-3466688-3466687-fit-caterpillar-d3k2-lgp-d3k2-xl-d4k2-lgp-d4k2-xl","provider":"Part Outfitters","version":"1.0","type":"link"}