{"product_id":"bosch-engine-air-filter-5537ws-high-pleat-high-efficiency-intake-filter-for-cadillac-srx","title":"Bosch Engine Air Filter 5537WS — High-Pleat, High-Efficiency Intake Filter for Cadillac SRX","description":"\u003cstrong\u003eThe Bosch 5537WS air filter is a high-pleat, high-efficiency engine intake filter designed to trap fine particles and restore airflow for improved engine protection and fuel economy.\u003c\/strong\u003e\n\n\u003cp\u003eKeeping the intake air clean is one of the easiest ways to protect your engine and maintain performance. The Bosch Workshop 5537WS is built with dense pleating and high-velocity cellulose media to capture dust and debris while minimizing airflow restriction. It pairs a resilient polyurethane foam seal with a precise pleat structure so the filter fits tightly and resists water and heat intrusion into the intake system.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter protect my engine?\u003c\/h3\u003e\n\u003cp\u003eThe 5537WS stops small particles from entering combustion chambers, reducing wear on internal components. With about 98% filtration efficiency against fine contaminants, it lowers the chance of abrasive damage and helps preserve engine life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh pleat count increases particle holding capacity.\u003c\/li\u003e\n  \u003cli\u003eFine cellulose media traps microscopic dust and soot.\u003c\/li\u003e\n  \u003cli\u003eDurable foam seal prevents unfiltered air bypass and moisture intrusion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the filter affect my vehicle’s performance or fuel economy?\u003c\/h3\u003e\n\u003cp\u003eThis filter is engineered to balance filtration and airflow: the cured cellulose media offers minimal flow resistance while keeping contaminants out. Restoring a clogged or worn filter with this unit can help your engine breathe properly, which supports smoother operation and can improve fuel efficiency compared with a dirty element.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-resistance media maintains intake airflow.\u003c\/li\u003e\n  \u003cli\u003eEven pleat spacing optimizes filtration area for performance.\n  \u003c\/li\u003e\n  \u003cli\u003eReplacing a dirty filter can reduce engine strain and improve MPG.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weather-resistant is the Bosch 5537WS?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses a robust polyurethane foam seal to remain elastic and maintain contact under temperature changes and vibrations. That seal plus the cured media helps keep water and heat from degrading filtration performance inside the intake.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePolyurethane foam seal resists compression set and heat aging.\u003c\/li\u003e\n  \u003cli\u003eCured cellulose media holds its shape and pleat spacing over time.\u003c\/li\u003e\n  \u003cli\u003eConstructed for workshop-level durability and routine service intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles fit this Bosch air filter?\u003c\/h3\u003e\n\u003cp\u003eThis specific part fits a range of vehicles; confirm fitment for your car before purchase. Notably, it is compatible with select Cadillac SRX models listed by Bosch and commonly used in workshop replacement programs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible example: Cadillac SRX (2010–2016) — verify trim and engine match.\u003c\/li\u003e\n  \u003cli\u003eAlways check the fitment tool or vehicle application notes before installation.\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet OEM-style dimensions and sealing requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho is this for?\u003c\/strong\u003e The Bosch 5537WS is aimed at vehicle owners, DIY mechanics, and professional technicians who want a reliable, high-efficiency replacement air filter that restores intake cleanliness and supports dependable engine operation. If you drive a compatible Cadillac SRX or another listed vehicle and you want a workshop-grade filter built for consistent pleat geometry, strong sealing, and minimal airflow restriction, this Bosch unit is an appropriate choice.\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: How often should I replace the Bosch 5537WS air filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Inspect the filter at each oil change; replacement frequency depends on driving conditions, typically every 12,000–30,000 miles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 5537WS compatible with my Cadillac SRX?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 5537WS fits many 2010–2016 Cadillac SRX models but verify trim and engine compatibility with the fitment checker before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":48084344635550,"sku":"B0735V2CTX","price":29.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bosch-5537ws-front-packaging.jpg?v=1785850993","url":"https:\/\/northtrailauto.ca\/products\/bosch-engine-air-filter-5537ws-high-pleat-high-efficiency-intake-filter-for-cadillac-srx","provider":"North Trail Auto","version":"1.0","type":"link"}