{"product_id":"carquest-87947-cfi-premium-secondary-air-filter","title":"Carquest 87947 CFI Premium Secondary Air Filter","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"609\"\u003eThe Carquest 87947 CFI Premium Secondary Air Filter is used in heavy-duty engine air intake filtration systems. Commonly installed in commercial trucks, agricultural equipment, construction machinery, industrial diesel engines, and off-highway equipment utilizing dual-stage air cleaner assemblies. Fleet maintenance teams, diesel technicians, and equipment operators use this secondary air filter for scheduled maintenance, preventive servicing, and replacement of contaminated safety filter elements to protect engines during primary filter servicing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"611\" data-end=\"628\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"630\" data-end=\"1135\"\u003eThe Carquest 87947 CFI Premium Secondary Air Filter is designed to provide backup engine protection by preventing dust, dirt, and airborne contaminants from entering the intake system while the primary air filter is being serviced. It is widely used in heavy-duty trucks, agricultural machinery, construction equipment, industrial engines, and fleet maintenance operations where reliable secondary filtration helps maximize engine performance and extend service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1137\" data-end=\"1166\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1168\" data-end=\"1806\"\u003e• Manufacturer: Carquest (CFI Premium Filters)\u003cbr data-start=\"1214\" data-end=\"1217\"\u003e• Part Number: 87947\u003cbr data-start=\"1237\" data-end=\"1240\"\u003e• Product Type: Premium Secondary Air Filter\u003cbr data-start=\"1284\" data-end=\"1287\"\u003e• Filter Type: Secondary (Safety) Air Filter\u003cbr data-start=\"1331\" data-end=\"1334\"\u003e• Shape: Round\u003cbr data-start=\"1348\" data-end=\"1351\"\u003e• Filter Media: High-efficiency filtration media\u003cbr data-start=\"1399\" data-end=\"1402\"\u003e• Height: 11.25 in.\u003cbr data-start=\"1421\" data-end=\"1424\"\u003e• Outside Diameter: 4.5625 in.\u003cbr data-start=\"1454\" data-end=\"1457\"\u003e• Inside Diameter 1: 0.65625 in.\u003cbr data-start=\"1489\" data-end=\"1492\"\u003e• Inside Diameter 2: 3.4375 in.\u003cbr data-start=\"1523\" data-end=\"1526\"\u003e• Gasket\/Seal Included: Yes\u003cbr data-start=\"1553\" data-end=\"1556\"\u003e• Reusable: No\u003cbr data-start=\"1570\" data-end=\"1573\"\u003e• Function: Secondary engine air intake filtration\u003cbr data-start=\"1623\" data-end=\"1626\"\u003e• Typical Equipment: Agco, Case, John Deere, Massey Ferguson, Vermeer, and White equipment utilizing compatible dual-stage air cleaner systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1808\" data-end=\"1832\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1834\" data-end=\"1895\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Donaldson P822768\u003cbr data-start=\"1853\" data-end=\"1856\"\u003e• Fleetguard AF25538\u003cbr data-start=\"1876\" data-end=\"1879\"\u003e• Baldwin PA2818\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51727358558510,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_d27a3c00-7a86-4144-a60d-3fd5d9ba8cf9.jpg?v=1770582576","url":"https:\/\/plgautomation.com\/products\/carquest-87947-cfi-premium-secondary-air-filter","provider":"PLG Automation ","version":"1.0","type":"link"}