{"product_id":"staunchauto-engine-cabin-air-filter-combo-for-mazda-3-2014-2018-ca11259-cf11811-activated-carbon-abs-frame","title":"StaunchAuto Engine \u0026 Cabin Air Filter Combo for Mazda 3 2014–2018 — CA11259 \u0026 CF11811, Activated Carbon + ABS Frame","description":"\u003cp\u003e\u003cstrong\u003eStaunchAuto's Engine \u0026amp; Cabin Air Filter Combo is a matched replacement set engineered to restore engine airflow and cabin air quality for Mazda 3 (2014–2018) and select Mazda 6 models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Mazda 3 is due for routine maintenance, swapping in a purpose-built engine filter (CA11259 fitment) and a high-efficiency cabin filter (CF11811 fitment) will reduce particulate intake into the motor while clearing dust, odors, and gaseous contaminants from the passenger compartment. This combo pairs a reinforced ABS-framed engine filter with a coconut-shell activated carbon cabin element for longer service life and improved in-car comfort.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these filters affect engine performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eCleaner intake air helps the engine breathe more efficiently, protecting internal components from abrasive dust and debris. The engine filter uses quality filter paper in a rigid ABS frame to resist collapse and maintain airflow even under high-load conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-quality filter paper captures fine dust and particles that harm engine parts.\u003c\/li\u003e\n  \u003cli\u003eABS frame provides structural stability and longer service intervals.\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement every 6 months \/ 12,000 miles to prevent buildup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements will I notice inside the cabin?\u003c\/h3\u003e\n\u003cp\u003eThe cabin filter employs coconut shell activated carbon plus a dual-layer media to reduce odors, VOCs and airborne particulates. You’ll experience fresher scent, fewer visible dust specks on vents, and a more pleasant HVAC airflow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActivated carbon adsorbs odors and gas-phase pollutants for cleaner air.\u003c\/li\u003e\n  \u003cli\u003eDouble-layer filtration delivers up to 99.9% particle capture of common contaminants.\u003c\/li\u003e\n  \u003cli\u003eDesign reduces HVAC noise and preserves smooth airflow for comfort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these filters easy to install and do they fit my Mazda 3?\u003c\/h3\u003e\n\u003cp\u003eYes — the combo is engineered for direct fit on Mazda 3 with 2.0L and 2.5L engines from 2014 to 2018 (also compatible with 2014–2021 Mazda 6 2.5L). The parts replace OEM references CA11259 (engine) and CF11811 (cabin) and install using the factory housings, requiring only basic tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacements match OEM dimensions and mounting points.\u003c\/li\u003e\n  \u003cli\u003eSimple swap procedure avoids modifications; see vehicle manual for access tips.\u003c\/li\u003e\n  \u003cli\u003eSave on labor by replacing during routine maintenance intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this combo deliver value compared to cheaper alternatives?\u003c\/h3\u003e\n\u003cp\u003eStaunchAuto focuses on durable construction and effective media to extend service life and filtration efficiency. Investing in higher-quality filters reduces the frequency of replacements and helps prevent costly repairs linked to contaminated intake air or clogged HVAC systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual-guardian approach: reinforced engine frame plus activated-carbon cabin media.\u003c\/li\u003e\n  \u003cli\u003eLower long-term ownership cost through extended filter lifespan and protection.\u003c\/li\u003e\n  \u003cli\u003eImproved comfort and fewer HVAC maintenance issues over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The StaunchAuto Engine \u0026amp; Cabin Air Filter Combo is for Mazda 3 owners (2014–2018) who want reliable, OEM-compatible replacements that prioritize both engine protection and in-cabin air quality. It fits drivers seeking longer-lasting filter construction, reduced odors, and smoother HVAC performance without complex installation — ideal for routine maintenance, seasonal tune-ups, or anyone wanting to refresh airflow after extended use or dusty conditions.\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: Will these filters fit my 2016 Mazda 3 2.0L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This combo is a direct fit for Mazda 3 2.0L models from 2014–2018 and replaces OEM CA11259 and CF11811 references.\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 engine and cabin filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 6 months or about 12,000 miles, or sooner in dusty conditions or if you notice reduced airflow or odors.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"StaunchAuto","offers":[{"title":"Default Title","offer_id":67591304511673,"sku":"B0FDG2PYJL","price":75.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/staunchauto-engine-filter-front-view_4daf2c89-a7d0-437b-8752-78d7b6613a4e.jpg?v=1790546732","url":"https:\/\/redleafauto.ca\/products\/staunchauto-engine-cabin-air-filter-combo-for-mazda-3-2014-2018-ca11259-cf11811-activated-carbon-abs-frame","provider":"Redleaf Auto","version":"1.0","type":"link"}