{"product_id":"olifant-air-filter-replacement-sets-for-kohler-16-26-hp-engines-2-inner-2-outer-elements-oem-fit","title":"OLIFANT Air Filter Replacement Sets for Kohler 16–26 HP Engines — 2 Inner + 2 Outer Elements, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eOLIFANT 2 Sets Air Filters replace Kohler 25-083-01S and 25-083-04-S (Wix 46438 \u0026amp; 42985), providing inner and outer filtration for 16–26 HP Kohler engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese two complete air-filter sets include two inner and two outer elements engineered for Kohler small engines used in lawn tractors, generators, and light commercial equipment. Built with quality filter paper and designed to trap dust and debris before it reaches the intake chamber, the filters follow the fit and function of OEM Kohler Part# 25-083-01S (outer) and 25-083-04-S (inner), and match Wix part numbers 46438 and 42985. They are suitable for a wide range of Kohler models including CV740, CV745, LH640, LH685, LH690 and other CH\/CV\/LH series engines in the 16–26 HP class.\u003c\/p\u003e\n\n\u003ch3\u003eWhat models and part numbers do these filters fit?\u003c\/h3\u003e\n\u003cp\u003eThese OLIFANT sets are compatible with many Kohler CH, CV and LH series engines and correspond to specific OEM and aftermarket part numbers for easy replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Kohler models: CH18–CH26, CV16–CV26, CH730–CH750, CV740, CV745, LH640, LH685, LH690, and related series.\u003c\/li\u003e\n  \u003cli\u003eOEM\/part cross-reference: Kohler Outer 25-083-01S and Inner 25-083-04-S.\u003c\/li\u003e\n  \u003cli\u003eAftermarket equivalents: Wix 46438 (outer) and Wix 42985 (inner).\u003c\/li\u003e\n  \u003cli\u003eSuitable for 16 HP to 26 HP small engines commonly used in lawn and light commercial equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these inner and outer elements work together?\u003c\/h3\u003e\n\u003cp\u003eThe two-stage design uses an outer pre-filter and an inner fine element so larger particulates are captured first, extending the life of the inner filter and maintaining steady airflow to the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOuter filter traps larger debris, grass, and coarse dust.\u003c\/li\u003e\n  \u003cli\u003eInner filter captures fine dust and particles that could reach the intake chamber.\u003c\/li\u003e\n  \u003cli\u003eCombined they reduce contaminant load on the engine for consistent operation.\u003c\/li\u003e\n  \u003cli\u003ePack includes two of each element for a full set replacement on dual-element housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the materials and quality details?\u003c\/h3\u003e\n\u003cp\u003eOLIFANT filters use quality filter paper and a sturdy frame construction to resist collapse and to keep filtration media positioned correctly during service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-grade filter paper media for effective particle retention without overly restricting airflow.\u003c\/li\u003e\n  \u003cli\u003eDurable end caps and adhesive sealing to prevent bypass and ensure a tight fit.\u003c\/li\u003e\n  \u003cli\u003eEngineered to match OEM dimensions for a reliable fit in stock housings.\u003c\/li\u003e\n  \u003cli\u003eSold as two inner + two outer elements to replace both stages on compatible engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should these filters be replaced and how do I install them?\u003c\/h3\u003e\n\u003cp\u003eReplace filters according to your equipment maintenance schedule or sooner in dusty conditions; installation is straightforward and typically tool-light.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect filters each season or every 50 operating hours; replace sooner in heavy dust or mowing conditions.\u003c\/li\u003e\n  \u003cli\u003eInstallation: remove the airbox cover, extract old inner and outer filters, seat the new inner element, then fit the outer element and secure the cover.\u003c\/li\u003e\n  \u003cli\u003eEnsure sealing surfaces are clean and aligned to avoid bypass.\u003c\/li\u003e\n  \u003cli\u003eRefer to your engine manual for torque and specific service intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These OLIFANT dual-filter sets are made for homeowners, landscapers, and light commercial operators who maintain Kohler-powered walk-behind mowers, zero-turn mowers, small generators, or equipment using 16–26 HP engines. They are for anyone who needs an affordable, OEM-compatible replacement that restores proper air filtration and helps preserve engine performance and longevity when installed and maintained per the equipment manufacturer’s guidelines.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these OLIFANT filters genuine Kohler parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are aftermarket replacements compatible with Kohler Part# 25-083-01S and 25-083-04-S, matching Wix 46438 and 42985 proportions and fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the inner and outer filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Inspect each season or every 50 operating hours; replace sooner in dusty conditions or if filters appear clogged or damaged.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OLIFANT","offers":[{"title":"Default Title","offer_id":55166378344791,"sku":"B09YMF3WX8","price":53.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/olifant-front-packaging-two-sets.jpg?v=1790367502","url":"https:\/\/britishgarage.co.uk\/products\/olifant-air-filter-replacement-sets-for-kohler-16-26-hp-engines-2-inner-2-outer-elements-oem-fit","provider":"British Garage","version":"1.0","type":"link"}