{"product_id":"k-n-motorcycle-oil-filter-kn-138-high-performance-synthetic-media-integrated-welded-nut","title":"K\u0026N Motorcycle Oil Filter KN-138 - High-Performance Synthetic Media, Integrated Welded Nut","description":"\u003cp\u003e\u003cstrong\u003eThe K\u0026amp;N KN-138 is a performance motorcycle oil filter built with premium synthetic media and heavy-duty construction to deliver high oil flow and long-lasting engine protection for powersports applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for riders who demand durable filtration and easy serviceability, the KN-138 combines high-efficiency synthetic filter material with a reinforced housing and an integrated welded nut for fast oil changes. It’s engineered to work with synthetic, conventional, and blended oils and is specified to meet many modern motorcycle, ATV and side-by-side applications from Suzuki and Aprilia models through multiple model years.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the KN-138 improve engine protection on the road or trail?\u003c\/h3\u003e\n\u003cp\u003eThe KN-138 uses premium synthetic filter media with consistent pleat spacing to trap contaminants while maintaining strong oil flow. Laboratory testing confirms its dirt-holding capacity and burst strength, helping reduce wear when compared with lesser-quality filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-efficiency synthetic media captures fine particles without restricting oil circulation.\u003c\/li\u003e\n  \u003cli\u003eUniform pleats maximize surface area for longer service life.\u003c\/li\u003e\n  \u003cli\u003eTested capacity and burst strength for dependable performance under stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter work with my motorcycle and oil type?\u003c\/h3\u003e\n\u003cp\u003eThe KN-138 is manufactured as an application-specific direct replacement for many Aprilia and Suzuki models (and other compatible machines) and supports synthetic, conventional, and blended oils. Always verify fitment against your vehicle’s model and year before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect factory-replacement design for precise fit and simple installation.\u003c\/li\u003e\n  \u003cli\u003eOptimized bypass\/pressure relief valve matched to part number requirements.\u003c\/li\u003e\n  \u003cli\u003eCompatible with premium synthetic oils and standard motor oil blends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect this filter to last between services?\u003c\/h3\u003e\n\u003cp\u003eK\u0026amp;N engineers the KN-138 for extended service intervals in line with recommended oil and riding conditions, with stated protection up to 20,000 miles under suitable maintenance and oil choices. Real-world interval depends on riding style, terrain, and oil change practices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for long-life protection, up to 20,000 miles when used with appropriate oil and conditions.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty construction resists deformation at higher temperatures and pressures.\u003c\/li\u003e\n  \u003cli\u003eRegular inspection and following manufacturer service intervals ensure optimal longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes installation and maintenance easier for riders?\u003c\/h3\u003e\n\u003cp\u003eThe KN-138 includes user-focused features to speed routine service and reduce hassle. Its integrated welded nut simplifies removal and installation, and the filter’s application-specific fit reduces the chance of leaks or misalignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWelded nut on the filter body allows quicker, tool-friendly oil changes.\u003c\/li\u003e\n  \u003cli\u003eApplication-specific sizing for correct fit and reliable sealing.\u003c\/li\u003e\n  \u003cli\u003eRobust housing and gasket materials resist common service wear points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompatibility note: this filter fits a wide range of Suzuki and Aprilia motorcycles, ATVs and utility models across many model years (examples include the Aprilia RS 660, Tuono 660 and V4 variants, and numerous Suzuki V-Strom, GSX, GSXS, GSXR, SV, Boulevard and KingQuad models). Always cross-reference the KN-138 with your vehicle’s OEM part number or fitment chart before ordering.\u003c\/p\u003e\n\n\u003cp\u003eWho is this for: Riders, mechanics and fleet operators who prioritize lasting filtration, reliable oil flow and faster service will appreciate the KN-138. It’s a practical upgrade for sportbikes, adventure machines and utility ATVs that receive regular maintenance and benefit from high-performance synthetic oil compatibility.\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: Can I use K\u0026amp;N KN-138 with synthetic oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The KN-138 is optimized for synthetic, conventional, and blended oils.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change the KN-138?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Service intervals vary; engineered for up to 20,000 miles under ideal conditions—follow your vehicle and oil maker’s recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":55161913344343,"sku":"B000E2CVDI","price":30.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/k-and-n-kn-138-front-view.jpg?v=1790333612","url":"https:\/\/britishgarage.co.uk\/products\/k-n-motorcycle-oil-filter-kn-138-high-performance-synthetic-media-integrated-welded-nut","provider":"British Garage","version":"1.0","type":"link"}