{"product_id":"donaldson-air-filter-dba5225-12-68-in-primary-radialseal-with-ultra-web-nanofiber-high-dust-holding-low-restriction","title":"Donaldson air filter DBA5225 12.68 in Primary Radialseal with Ultra-Web Nanofiber — high dust-holding, low restriction","description":"\u003cp\u003e\u003cstrong\u003eDonaldson DBA5225 is a 12.68-inch primary radialseal air filter engineered with Ultra-Web nanofiber media to protect engines by trapping fine particles while maintaining airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis high-performance primary air filter combines a radialseal mounting style with Donaldson's Ultra-Web nanofiber technology for durable, efficient filtration in heavy-duty and on-road equipment. Designed as a replacement or service part, the DBA5225 balances contaminant capture with low restriction to help preserve engine life and maintain power output under varied operating conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the Ultra-Web nanofiber media different?\u003c\/h3\u003e\n\u003cp\u003eUltra-Web uses an engineered layer of fine, electrostatically charged fibers that collects smaller particles on the filter surface, improving capacity and helping to prevent deep-loading. That means more contaminant is captured where it can be safely held, which extends service intervals compared with conventional cellulose media.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine nanofiber layer captures sub-micron particles efficiently\u003c\/li\u003e\n  \u003cli\u003eSurface-loading reduces pressure drop over time\u003c\/li\u003e\n  \u003cli\u003eImproved dust-holding capacity for longer service life\u003c\/li\u003e\n  \u003cli\u003eResists moisture and common field contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the radialseal design help installation and performance?\u003c\/h3\u003e\n\u003cp\u003eRadialseal filters seal around a cylindrical housing using a resilient gasket, providing a reliable fit that resists leaks and blow-by. The design simplifies installation and ensures a consistent seal, which is crucial for maintaining correct airflow and preventing unfiltered air from entering the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlexible radial gasket adapts to housing irregularities\u003c\/li\u003e\n  \u003cli\u003eReduced chance of bypass compared with loose-fitting alternatives\u003c\/li\u003e\n  \u003cli\u003eQuick, tool-free fit in many service scenarios\u003c\/li\u003e\n  \u003cli\u003eDurable construction for repeated service cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications and equipment is the DBA5225 suited for?\u003c\/h3\u003e\n\u003cp\u003eThe 12.68-inch overall length and primary-type configuration make this filter suitable for a wide range of heavy-duty trucks, construction machines, agricultural equipment, and industrial air-intake systems that accept radialseal primary elements. Check your OEM part cross-reference to confirm fitment before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon in on-road heavy-duty truck intake systems\u003c\/li\u003e\n  \u003cli\u003eFits various off-road and construction machines with radialseal housings\u003c\/li\u003e\n  \u003cli\u003eServes as a primary filter in multi-stage systems\u003c\/li\u003e\n  \u003cli\u003eOEM cross-reference recommended for accurate replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect in terms of maintenance and service life?\u003c\/h3\u003e\n\u003cp\u003eService life depends on duty cycle, environment, and maintenance practices, but the DBA5225’s engineered media increases dust-holding and helps extend intervals versus standard paper elements. Regular inspection of the filter housing and following manufacturer-recommended replacement schedules will preserve performance and protect downstream components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect during routine engine maintenance for heavy dust loads\u003c\/li\u003e\n  \u003cli\u003eReplace per OEM hours or when pressure-drop thresholds are reached\u003c\/li\u003e\n  \u003cli\u003eStore spare filters in a dry, clean area to prevent contamination\u003c\/li\u003e\n  \u003cli\u003eUse with compatible precleaners or secondary filters when needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Donaldson DBA5225 is intended for fleet managers, mechanics, and equipment owners who need a dependable primary air filter that delivers improved fine-particle capture and sustained airflow. It’s a practical choice when you want an OEM-quality replacement that supports longer service intervals and consistent engine protection in demanding operating environments.\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: Is the DBA5225 a primary or secondary filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DBA5225 is a primary air filter designed to be the first line of filtration in the intake system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What length is the Donaldson DBA5225?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DBA5225 has a 12.68-inch overall length.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":67586722463929,"sku":"B073Z22S34","price":133.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/donaldson-dba5225-front-view.jpg?v=1790491459","url":"https:\/\/redleafauto.ca\/products\/donaldson-air-filter-dba5225-12-68-in-primary-radialseal-with-ultra-web-nanofiber-high-dust-holding-low-restriction","provider":"Redleaf Auto","version":"1.0","type":"link"}