{"product_id":"denso-143-3691-engine-air-filter","title":"Denso 143-3691 Engine Air Filter","description":"\u003ch2\u003eOverview of the Denso FTF Air Filter 143-3691\u003c\/h2\u003e\u003cp\u003eThe Denso FTF Air Filter 143-3691 is designed to provide reliable engine air filtration for select BMW models. Engineered to meet OEM specifications, this trapezoid-shaped air filter ensures proper airflow and filtration for vehicles like the BMW 528i, 528i xDrive, X1, and Z4.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 528i, 528i xDrive, X1, and Z4 models\u003c\/li\u003e\n\u003cli\u003eTrapezoid shape with precise dimensions for exact fitment\u003c\/li\u003e\n\u003cli\u003eHeight: 51.0 mm, Side A Length: 270.0 mm, Side B Length: 251.0 mm\u003c\/li\u003e\n\u003cli\u003ePart number 143-3691 for accurate identification\u003c\/li\u003e\n\u003cli\u003ePart of the Denso FTF Air Filter product line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Attributes\u003c\/h2\u003e\u003cp\u003eThis engine air filter features a trapezoid shape optimized for the air intake systems of specific BMW vehicles. The filter measures 51.0 mm in height, with side lengths of 270.0 mm (Side A) and 251.0 mm (Side B), ensuring a secure and precise fit. These dimensions are critical for maintaining proper sealing and airflow, which helps protect the engine from contaminants while supporting efficient combustion.\u003c\/p\u003e\u003cp\u003eThe Denso FTF Air Filter line focuses on delivering filtration solutions that align with factory standards. This product line emphasizes consistent quality and fitment, making the 143-3691 a suitable replacement part for maintaining engine performance and longevity in compatible BMW models.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents engine damage caused by dust and debris\u003c\/li\u003e\n\u003cli\u003eHelps maintain optimal engine air flow and fuel efficiency\u003c\/li\u003e\n\u003cli\u003eReduces the risk of engine misfires related to poor air quality\u003c\/li\u003e\n\u003cli\u003eSupports emission control by ensuring clean air intake\u003c\/li\u003e\n\u003cli\u003eAddresses air filter clogging issues in BMW 528i, 528i xDrive, X1, and Z4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso FTF Air Filter 143-3691, ensure the filter is seated properly within the air box to maintain an airtight seal. Verify the trapezoid shape aligns with the air intake housing dimensions. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help sustain engine performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures the FTF Air Filter 143-3691 to meet strict quality standards, ensuring durability and reliable filtration. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to Denso or your parts provider for exact warranty terms.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":52163091136693,"sku":"BBNF-143-3691","price":40.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_1433691_Fro.jpg?v=1775590217","url":"https:\/\/www.partcatalog.com\/products\/denso-143-3691-engine-air-filter","provider":"PartCatalog","version":"1.0","type":"link"}