{"product_id":"acdelco-passenger-compartment-air-filter-cf188-85039741-oe-validated-multi-layer-cabin-filter-for-gm","title":"ACDelco Passenger Compartment Air Filter CF188 (85039741) — OE‑validated Multi‑Layer Cabin Filter for GM","description":"\u003cp\u003e\u003cstrong\u003eACDelco GM Original Equipment CF188 (85039741) is the factory‑validated passenger compartment air filter engineered to help trap road dust, pollen and debris before air enters your vehicle's cabin.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and validated by General Motors engineers, this ACDelco GM Original Equipment cabin air filter fits as the intended replacement for many Chevrolet, Buick, GMC, and Cadillac models. It uses multi‑layer, non‑woven media to balance particle capture with unrestricted airflow, and follows the same production standards used in vehicle assembly and service parts. Whether you’re replacing a worn filter or servicing climate controls, choosing an OE‑level part helps preserve HVAC performance and interior air circulation without guessing compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve cabin air flow and debris capture?\u003c\/h3\u003e\n\u003cp\u003eThe CF188 employs long non‑woven fibers and compound media layers that slow and trap airborne particles while maintaining flow for heating and cooling. Its multi‑layer construction creates separated media zones so different particle sizes are captured at different depths, reducing clogging on the surface and extending useful life. This design helps your HVAC blower operate efficiently and deliver more consistent airflow throughout the cabin.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLong media fibers increase contact area for better particle interception.\u003c\/li\u003e\n  \u003cli\u003eCompound, multi‑layer construction captures a range of particle sizes.\u003c\/li\u003e\n  \u003cli\u003eDesigned to balance filtration efficiency with minimal airflow restriction.\u003c\/li\u003e\n  \u003cli\u003eValidated by GM for performance in OE HVAC systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this ACDelco cabin filter fit my Chevrolet, Buick, GMC, or Cadillac?\u003c\/h3\u003e\n\u003cp\u003eACDelco GM Original Equipment parts, like CF188 (85039741), are produced or validated to match GM factory specifications, improving the chance of direct compatibility with vehicles that originally used the corresponding OEM part. Always verify fit with your vehicle’s model year and part number cross‑reference to ensure the correct configuration and frame size for your cabin filter housing. If you’re unsure, check your owner’s manual or the vehicle’s service parts listing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt to GM dimensional and performance standards for OE replacement.\u003c\/li\u003e\n  \u003cli\u003ePart number CF188 corresponds to GM reference 85039741 for cross‑checking.\u003c\/li\u003e\n  \u003cli\u003eRefer to vehicle-specific parts lists or dealer lookup for exact fitment.\u003c\/li\u003e\n  \u003cli\u003eSimple inspection of the old filter helps confirm size and orientation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace this passenger compartment air filter?\u003c\/h3\u003e\n\u003cp\u003eReplacement intervals depend on driving conditions and local air quality: typical guidance ranges from every 12,000 to 25,000 miles or once per year under normal use. If you frequently drive in dusty environments, through construction zones, or in heavy urban pollution, check the filter more often and replace it sooner to maintain airflow and reduce dust entering the cabin. Replacing the filter when clogged keeps the HVAC system working effectively and reduces odors or reduced defogging performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer guidance: commonly around 12,000–25,000 miles or annually.\u003c\/li\u003e\n  \u003cli\u003eCheck sooner in dusty or high‑pollution driving conditions.\u003c\/li\u003e\n  \u003cli\u003eReplace if you notice reduced airflow, odors, or visible dirt buildup.\u003c\/li\u003e\n  \u003cli\u003eRoutine replacement supports HVAC efficiency and cabin comfort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the tangible benefits of choosing the GM Original Equipment version?\u003c\/h3\u003e\n\u003cp\u003eSelecting an OE‑validated ACDelco cabin filter helps ensure the replacement part matches the original design intent for materials, fit, and airflow characteristics. GM engineers update production and service part designs to leverage new materials and testing protocols, so an OE part often reflects the latest validated improvements. That makes installation straightforward and reduces the chance of fitment issues that can allow unfiltered air bypassing the filter housing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered and tested to GM service and production standards.\u003c\/li\u003e\n  \u003cli\u003eMaterial updates and validation by GM engineers for reliable fit.\u003c\/li\u003e\n  \u003cli\u003eReduces risk of filter bypass and preserves HVAC performance.\u003c\/li\u003e\n  \u003cli\u003eOften replaces parts formerly listed as GM Genuine Parts or ACDelco Professional.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ACDelco GM Original Equipment CF188 (85039741) passenger compartment air filter is intended for GM vehicle owners, service technicians, and DIYers who want a direct‑fit, factory‑validated cabin filter replacement. It’s a practical choice for anyone maintaining Chevrolet, Buick, GMC, or Cadillac climate systems who prefers parts engineered or validated by General Motors to match original specifications.\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 CF188 (85039741) an original equipment part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. CF188 (85039741) is an ACDelco GM Original Equipment cabin filter designed and validated to GM specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know when to replace this cabin air filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace it typically every 12,000–25,000 miles or annually; inspect sooner in dusty or high‑pollution conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":55168360874327,"sku":"B0FPRH6LP3","price":50.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/acdelco-cf188-front-packaging.jpg?v=1790401734","url":"https:\/\/britishgarage.co.uk\/products\/acdelco-passenger-compartment-air-filter-cf188-85039741-oe-validated-multi-layer-cabin-filter-for-gm","provider":"British Garage","version":"1.0","type":"link"}