{"id":10391,"date":"2026-01-20T12:30:34","date_gmt":"2026-01-20T10:30:34","guid":{"rendered":"https:\/\/alexopoulos-auto.gr\/?p=10391"},"modified":"2026-09-19T12:14:45","modified_gmt":"2026-09-19T09:14:45","slug":"car-filters-when-should-they-be-replaced-and-why-are-they-important","status":"publish","type":"post","link":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/","title":{"rendered":"Car Filters: When Should They Be Replaced and Why Are They Important?"},"content":{"rendered":"<p class=\"isSelectedEnd\"><span>Car filters play a vital role in protecting the engine, keeping the fuel system working properly and improving the air quality inside the vehicle. Although they are relatively small and inexpensive components, replacing them on time can help prevent wear and costly repairs.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Vehicles use several types of filters. The most important are the oil filter, engine air filter, fuel filter and cabin air filter. Each has a different purpose and should be replaced according to the vehicle manufacturer\u2019s maintenance schedule.<\/span><\/p>\n<h2><span>Why Are Car Filters Important?<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>As a vehicle operates, its engine and other systems are exposed to dust, airborne particles, metal debris, moisture and other contaminants.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Filters trap these unwanted substances before they reach sensitive components. As filters fill up or become clogged, their effectiveness declines and the vehicle\u2019s operation may be affected.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Regular filter replacement helps to:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>Protect the engine from premature wear.<\/span><\/li>\n<li><span>Support proper combustion and vehicle operation.<\/span><\/li>\n<li><span>Maintain performance and fuel efficiency.<\/span><\/li>\n<li><span>Protect the fuel system.<\/span><\/li>\n<li><span>Improve air quality inside the cabin.<\/span><\/li>\n<li><span>Reduce the likelihood of more serious mechanical problems.<\/span><\/li>\n<\/ul>\n<h2><span>Oil Filter<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>The oil filter traps metal particles, combustion residues and other contaminants carried by the engine oil.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Clean oil is essential for lubricating and protecting the engine\u2019s moving parts. A clogged or worn filter may interfere with proper oil circulation and contribute to engine wear.<\/span><\/p>\n<h3><span>When Should the Oil Filter Be Replaced?<\/span><\/h3>\n<p class=\"isSelectedEnd\"><span>The oil filter should generally be replaced whenever the engine oil is changed, following the interval specified by the vehicle manufacturer.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Changing the oil while leaving an old filter in place may expose the fresh oil to residues and contaminants already trapped in the filter.<\/span><\/p>\n<h2><span>Engine Air Filter<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>An engine needs a steady supply of clean air for combustion. The air filter prevents dust, sand, insects and other particles from entering the intake system.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>A dirty or clogged air filter restricts airflow to the engine. This can affect performance, fuel consumption and the way the vehicle runs.<\/span><\/p>\n<h3><span>When Should the Engine Air Filter Be Replaced?<\/span><\/h3>\n<p class=\"isSelectedEnd\"><span>The replacement interval is set by the vehicle manufacturer, but driving conditions also matter.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>The filter may need to be checked more often if the vehicle is regularly driven:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>In dusty areas.<\/span><\/li>\n<li><span>On unpaved roads.<\/span><\/li>\n<li><span>In urban areas with high levels of pollution.<\/span><\/li>\n<li><span>Near construction sites or industrial facilities.<\/span><\/li>\n<li><span>In areas with high pollen levels.<\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\"><span>A heavily contaminated filter cannot always be cleaned effectively and will usually need replacing.<\/span><\/p>\n<h2><span>Fuel Filter<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>The fuel filter protects the fuel pump and injectors from dirt, rust, particles and, in some diesel applications, water in the fuel.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Modern injection systems operate with great precision and at high pressures. Even small amounts of contamination can cause wear or problems in their sensitive components.<\/span><\/p>\n<h3><span>When Should the Fuel Filter Be Replaced?<\/span><\/h3>\n<p class=\"isSelectedEnd\"><span>Replacement intervals vary considerably depending on the engine, fuel system and vehicle manufacturer\u2019s instructions.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Delaying replacement may contribute to:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>Difficulty starting the engine.<\/span><\/li>\n<li><span>Hesitation or uneven running.<\/span><\/li>\n<li><span>Reduced power during acceleration.<\/span><\/li>\n<li><span>Increased fuel consumption.<\/span><\/li>\n<li><span>Additional strain on the fuel pump.<\/span><\/li>\n<li><span>Problems with the fuel injectors.<\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\"><span>Following the maintenance schedule is especially important for diesel vehicles.<\/span><\/p>\n<h2><span>Cabin Air Filter<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>The cabin air filter cleans the air entering the passenger compartment through the ventilation and air conditioning system.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Depending on its type, it can trap:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>Dust and airborne particles.<\/span><\/li>\n<li><span>Pollen and other allergens.<\/span><\/li>\n<li><span>Exhaust-related pollutants and odours.<\/span><\/li>\n<li><span>Fine contaminants from the outside environment.<\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\"><span>A dirty cabin filter can reduce airflow from the vents and affect the performance of the heating and air conditioning system.<\/span><\/p>\n<h3><span>When Should the Cabin Air Filter Be Replaced?<\/span><\/h3>\n<p class=\"isSelectedEnd\"><span>Follow the vehicle manufacturer\u2019s instructions. As a general preventive measure, it is useful to check the cabin filter at least once a year or around every 15,000 kilometres, especially in vehicles frequently driven in cities.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Signs that it may need replacing sooner include:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>Reduced airflow from the vents.<\/span><\/li>\n<li><span>Unpleasant smells inside the vehicle.<\/span><\/li>\n<li><span>Windows that fog up frequently.<\/span><\/li>\n<li><span>Unusual noises from the ventilation system.<\/span><\/li>\n<li><span>More dust than usual inside the cabin.<\/span><\/li>\n<\/ul>\n<h2><span>How Often Should Car Filters Be Replaced?<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>There is no single replacement interval that applies to every filter and every vehicle. The correct schedule depends on:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>The vehicle manufacturer\u2019s instructions.<\/span><\/li>\n<li><span>The engine type and age.<\/span><\/li>\n<li><span>Distance travelled.<\/span><\/li>\n<li><span>How the vehicle is used.<\/span><\/li>\n<li><span>Environmental conditions.<\/span><\/li>\n<li><span>Fuel and lubricant quality.<\/span><\/li>\n<li><span>Whether the vehicle is mainly driven in the city, on unpaved roads or in dusty areas.<\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\"><span>The vehicle\u2019s service schedule should always be your main reference. A professional inspection can show whether a filter needs replacing earlier.<\/span><\/p>\n<h2><span>What Are the Signs That a Filter Needs Replacing?<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>Depending on the filter, you may notice:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span>Reduced engine performance.<\/span><\/li>\n<li><span>Increased fuel consumption.<\/span><\/li>\n<li><span>Difficulty starting.<\/span><\/li>\n<li><span>Uneven running or hesitation.<\/span><\/li>\n<li><span>Loss of power during acceleration.<\/span><\/li>\n<li><span>Reduced airflow inside the cabin.<\/span><\/li>\n<li><span>Unpleasant smells from the air conditioning system.<\/span><\/li>\n<li><span>Frequent window fogging.<\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\"><span>These symptoms can also have other causes. A qualified technician should inspect the vehicle to identify the problem before parts are replaced.<\/span><\/p>\n<h2><span>Why Does Filter Quality Matter?<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>A filter must trap contaminants effectively while allowing the correct flow of air, oil or fuel. An unsuitable or poor-quality filter may offer inadequate protection or restrict the operation of the system it serves.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Correct fit is equally important. The filter must match the vehicle\u2019s model, engine and year of manufacture.<\/span><\/p>\n<h2><span>Comprehensive Protection with M\u00fcller Filters<\/span><\/h2>\n<p class=\"isSelectedEnd\"><span>Our range of M\u00fcller filters includes oil, air, fuel and cabin filters for passenger cars and commercial vehicles.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span>Made with selected materials and to strict specifications, M\u00fcller filters provide effective filtration, reliable fit and long service life. They help protect the engine, reduce wear on mechanical components and maintain vehicle performance.<\/span><\/p>\n<p><span>Contact ALEXOPOULOS to find the right filters for your vehicle and enjoy reliable protection on every journey.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Car filters play a vital role in protecting the engine, keeping the fuel system working properly and improving the air quality inside the vehicle. Although they are relatively small and inexpensive components, replacing them on time can help prevent wear and costly repairs. Vehicles use several types of filters. The most important are the oil&#8230;<\/p>\n","protected":false},"author":1,"featured_media":10392,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-10391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Car Filters: When Should They Be Replaced and Why Are They Important? - Alexopoulos<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Car Filters: When Should They Be Replaced and Why Are They Important? - Alexopoulos\" \/>\n<meta property=\"og:description\" content=\"Car filters play a vital role in protecting the engine, keeping the fuel system working properly and improving the air quality inside the vehicle. Although they are relatively small and inexpensive components, replacing them on time can help prevent wear and costly repairs. Vehicles use several types of filters. The most important are the oil...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/\" \/>\n<meta property=\"og:site_name\" content=\"Alexopoulos\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-20T10:30:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-19T09:14:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2023\/09\/filtra.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"alex\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"alex\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/\"},\"author\":{\"name\":\"alex\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#\\\/schema\\\/person\\\/fea9701dbd8e1f129c0032bf1cc74768\"},\"headline\":\"Car Filters: When Should They Be Replaced and Why Are They Important?\",\"datePublished\":\"2026-01-20T10:30:34+00:00\",\"dateModified\":\"2026-09-19T09:14:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/\"},\"wordCount\":964,\"publisher\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/filtra.jpg\",\"articleSection\":[\"Articles\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/\",\"url\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/\",\"name\":\"Car Filters: When Should They Be Replaced and Why Are They Important? - Alexopoulos\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/filtra.jpg\",\"datePublished\":\"2026-01-20T10:30:34+00:00\",\"dateModified\":\"2026-09-19T09:14:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#primaryimage\",\"url\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/filtra.jpg\",\"contentUrl\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/filtra.jpg\",\"width\":1200,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/car-filters-when-should-they-be-replaced-and-why-are-they-important\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u0391\u03c1\u03c7\u03b9\u03ba\u03ae\",\"item\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Car Filters: When Should They Be Replaced and Why Are They Important?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/\",\"name\":\"Alexopoulos\",\"description\":\"\u0391\u03bd\u03c4\u03b1\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03c9\u03bd\",\"publisher\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#organization\",\"name\":\"Alexopoulos\",\"url\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/logo-alexopoulosauto.png\",\"contentUrl\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/logo-alexopoulosauto.png\",\"width\":945,\"height\":206,\"caption\":\"Alexopoulos\"},\"image\":{\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/#\\\/schema\\\/person\\\/fea9701dbd8e1f129c0032bf1cc74768\",\"name\":\"alex\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bc75709df33762b31181e39df28fa9d9d72ad1fc21d19f7784cd8c85c16c12ec?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bc75709df33762b31181e39df28fa9d9d72ad1fc21d19f7784cd8c85c16c12ec?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bc75709df33762b31181e39df28fa9d9d72ad1fc21d19f7784cd8c85c16c12ec?s=96&d=mm&r=g\",\"caption\":\"alex\"},\"sameAs\":[\"https:\\\/\\\/alexopoulos-auto.gr\"],\"url\":\"https:\\\/\\\/alexopoulos-auto.gr\\\/en\\\/author\\\/alex\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Car Filters: When Should They Be Replaced and Why Are They Important? - Alexopoulos","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/","og_locale":"en_GB","og_type":"article","og_title":"Car Filters: When Should They Be Replaced and Why Are They Important? - Alexopoulos","og_description":"Car filters play a vital role in protecting the engine, keeping the fuel system working properly and improving the air quality inside the vehicle. Although they are relatively small and inexpensive components, replacing them on time can help prevent wear and costly repairs. Vehicles use several types of filters. The most important are the oil...","og_url":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/","og_site_name":"Alexopoulos","article_published_time":"2026-01-20T10:30:34+00:00","article_modified_time":"2026-09-19T09:14:45+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2023\/09\/filtra.jpg","type":"image\/jpeg"}],"author":"alex","twitter_card":"summary_large_image","twitter_misc":{"Written by":"alex","Estimated reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#article","isPartOf":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/"},"author":{"name":"alex","@id":"https:\/\/alexopoulos-auto.gr\/en\/#\/schema\/person\/fea9701dbd8e1f129c0032bf1cc74768"},"headline":"Car Filters: When Should They Be Replaced and Why Are They Important?","datePublished":"2026-01-20T10:30:34+00:00","dateModified":"2026-09-19T09:14:45+00:00","mainEntityOfPage":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/"},"wordCount":964,"publisher":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/#organization"},"image":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#primaryimage"},"thumbnailUrl":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2023\/09\/filtra.jpg","articleSection":["Articles"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/","url":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/","name":"Car Filters: When Should They Be Replaced and Why Are They Important? - Alexopoulos","isPartOf":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#primaryimage"},"image":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#primaryimage"},"thumbnailUrl":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2023\/09\/filtra.jpg","datePublished":"2026-01-20T10:30:34+00:00","dateModified":"2026-09-19T09:14:45+00:00","breadcrumb":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#primaryimage","url":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2023\/09\/filtra.jpg","contentUrl":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2023\/09\/filtra.jpg","width":1200,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/alexopoulos-auto.gr\/en\/car-filters-when-should-they-be-replaced-and-why-are-they-important\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u0391\u03c1\u03c7\u03b9\u03ba\u03ae","item":"https:\/\/alexopoulos-auto.gr\/en\/"},{"@type":"ListItem","position":2,"name":"Car Filters: When Should They Be Replaced and Why Are They Important?"}]},{"@type":"WebSite","@id":"https:\/\/alexopoulos-auto.gr\/en\/#website","url":"https:\/\/alexopoulos-auto.gr\/en\/","name":"Alexopoulos","description":"\u0391\u03bd\u03c4\u03b1\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03c9\u03bd","publisher":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/alexopoulos-auto.gr\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/alexopoulos-auto.gr\/en\/#organization","name":"Alexopoulos","url":"https:\/\/alexopoulos-auto.gr\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/alexopoulos-auto.gr\/en\/#\/schema\/logo\/image\/","url":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2026\/09\/logo-alexopoulosauto.png","contentUrl":"https:\/\/alexopoulos-auto.gr\/wp-content\/uploads\/2026\/09\/logo-alexopoulosauto.png","width":945,"height":206,"caption":"Alexopoulos"},"image":{"@id":"https:\/\/alexopoulos-auto.gr\/en\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/alexopoulos-auto.gr\/en\/#\/schema\/person\/fea9701dbd8e1f129c0032bf1cc74768","name":"alex","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/bc75709df33762b31181e39df28fa9d9d72ad1fc21d19f7784cd8c85c16c12ec?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bc75709df33762b31181e39df28fa9d9d72ad1fc21d19f7784cd8c85c16c12ec?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bc75709df33762b31181e39df28fa9d9d72ad1fc21d19f7784cd8c85c16c12ec?s=96&d=mm&r=g","caption":"alex"},"sameAs":["https:\/\/alexopoulos-auto.gr"],"url":"https:\/\/alexopoulos-auto.gr\/en\/author\/alex\/"}]}},"_links":{"self":[{"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/posts\/10391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/comments?post=10391"}],"version-history":[{"count":2,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/posts\/10391\/revisions"}],"predecessor-version":[{"id":10395,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/posts\/10391\/revisions\/10395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/media\/10392"}],"wp:attachment":[{"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/media?parent=10391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/categories?post=10391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alexopoulos-auto.gr\/en\/wp-json\/wp\/v2\/tags?post=10391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}