{"product_id":"p618239-radial-seal-air-filter-compatible-volvo-b7r-b8r-b12r-bus","title":"P618239 Radial Seal Air Filter Compatible with Volvo B7R B8R B12R Bus","description":"\u003c!-- ===== 段1: Opening 概述 ===== --\u003e\n\u003ch2\u003eP618239 Radial Seal Air Filter for Volvo B7R B8R B12R Diesel Bus — Premium Filtration\u003c\/h2\u003e\n\u003cp\u003e\n  The P618239 radial seal air filter element is engineered for heavy duty diesel bus applications, providing premium filtration for Volvo B7R, B8R and B12R bus chassis. Featuring a high-efficiency radial seal design, this filter ensures optimal protection against contaminants, maintaining engine intake health and efficiency.\n\u003c\/p\u003e\n\n\u003c!-- ===== 段2: Key Takeaways 精准卖点 ===== --\u003e\n\u003ch3\u003eKey Takeaways\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExact OE Replacement:\u003c\/strong\u003e Directly replaces P618239, 70320440, CP32001, AF27875, 49440 and CA5421.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle-Specific Fit:\u003c\/strong\u003e Designed for Volvo B7R, B8R and B12R heavy duty diesel bus chassis.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Filtration:\u003c\/strong\u003e High-efficiency media captures contaminants and debris before they reach the engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRadial Seal Design:\u003c\/strong\u003e Reliable sealing under high vibration and heavy load operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to Install:\u003c\/strong\u003e Single-piece element, no complex tools required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===== 段3: Features \u0026 Benefits 对照表 ===== --\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\n\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n  \u003ctr\u003e\n\u003cth style=\"width: 35%;\"\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBenefit (What It Means for You)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRadial Seal Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnsures a reliable, leak-free seal under high vibration and extreme operating conditions, protecting the engine intake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Efficiency Media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCaptures contaminants and debris from intake air, preventing premature engine wear and maintaining power output.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle-Specific Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDesigned for Volvo B7R \/ B8R \/ B12R chassis — direct replacement, no modifications needed.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeavy Duty Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt to withstand demanding fleet and coach operating environments, mile after mile.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOE Cross-Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReplaces P618239, 70320440, CP32001, AF27875, 49440 and CA5421 — verified part number matrix.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== 段4: Compatibility \u0026 Cross-Reference ===== --\u003e\n\u003ch3 id=\"compatibility\"\u003eCompatibility \u0026amp; Cross-Reference\u003c\/h3\u003e\n\u003ch4\u003eReplaces OE Part Numbers:\u003c\/h4\u003e\n\u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\n\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n  \u003ctr\u003e\n\u003cth style=\"width: 50%;\"\u003eInterchange Part Number\u003c\/th\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFJ-AF8239\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eiFJF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eP618239\u003c\/td\u003e\n\u003ctd\u003eOE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e70320440 \/ VOE70320440\u003c\/td\u003e\n\u003ctd\u003eVolvo OE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCP32001\u003c\/td\u003e\n\u003ctd\u003eOE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAF27875\u003c\/td\u003e\n\u003ctd\u003eOE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e49440\u003c\/td\u003e\n\u003ctd\u003eOE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCA5421\u003c\/td\u003e\n\u003ctd\u003eOE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003eCommon Applications:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eVolvo B7R bus chassis — fleet \u0026amp; coach service\u003c\/li\u003e\n  \u003cli\u003eVolvo B8R bus chassis — fleet \u0026amp; coach service\u003c\/li\u003e\n  \u003cli\u003eVolvo B12R bus chassis — fleet \u0026amp; coach service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===== 段5: Specifications ===== --\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\n\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"width: 40%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFJ-AF8239 (iFJF)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP618239 \/ 70320440 \/ CP32001 \/ AF27875 \/ 49440 \/ CA5421\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRadial Seal Air Filter Element\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVolvo B7R \/ B8R \/ B12R diesel bus\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 312.9 mm OD x 208.1 mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x air filter element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== 段6a: Why Choose iFJF? (EEAT 信任背书) ===== --\u003e\n\u003ch3\u003eWhy Choose iFJF?\u003c\/h3\u003e\n\u003ch3 style=\"margin-top:28px;\"\u003eThe iFJF Difference: Automotive-Grade Engineering \u0026amp; Quality\u003c\/h3\u003e\n\u003cp\u003eWith over a decade of proven expertise supplying the North American market, iFJF delivers more than just replacement parts. 99% of our catalog, including this radial seal air filter, is fully engineered, manufactured, and lab-tested by iFJF. Our manufacturing facility operates under stringent ISO 9001 and IATF 16949 quality management systems — the highest, most rigorous standards in the automotive and industrial sectors. Furthermore, with select product lines adhering to ISO 14001 (Environmental) and OHSAS 18001 (Health \u0026amp; Safety) certifications, we ensure every filter delivers OEM-grade stability and world-class reliability.\u003c\/p\u003e\n\n\u003c!-- ===== 段6: Trust \u0026 Conversion ===== --\u003e\n\u003ch3\u003eWhy Choose iFJF Over the OE Dealership?\u003c\/h3\u003e\n\u003cdiv style=\"background:#fff3e0;border:1px solid #ffb74d;border-radius:4px;padding:12px;margin-bottom:16px;\"\u003e\n  \u003cstrong\u003e1-Year Warranty Included · 30-Day Easy Returns · Lifetime Support\u003c\/strong\u003e\u003cbr\u003e\n  \u003cspan style=\"font-size:0.9em;\"\u003eNot satisfied? Return it. Fails prematurely? We'll replace it — no receipt-hoarding, no dealership runaround.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eAs a professional filter manufacturer with a \u003cstrong\u003eCNAS certified laboratory\u003c\/strong\u003e, we design and build our products to strictly match — and often exceed — OE specifications. Every single unit undergoes rigorous quality verification:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLab-Tested Performance:\u003c\/strong\u003e Validated for filtration efficiency, particle holding capacity and burst strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Leakage Control:\u003c\/strong\u003e Factory-tested under high pressure to ensure zero leakage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Build Quality:\u003c\/strong\u003e Advanced multi-layer media and heavy-duty components for harsh environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory-Direct Supply:\u003c\/strong\u003e Commercial-grade quality directly from the manufacturer, no middleman markup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:0.95em;color:#555;\"\u003eParts in stock and ready to ship from our US warehouse.\u003c\/p\u003e\n\u003cp\u003eLooking for related upgrades? \u003ca href=\"\/products\/ca10261-air-filter-for-ram-2007-2010-6-7l-l6-2500-3500-4500-5500-2011-2020-6-4l-v8-diesel-engine-53034051ab-46930\"\u003eCheck out the CA10261 diesel air filter here →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eWant to see how our filters stack up against the genuine OEM? \u003ca href=\"\/blogs\/news\/the-importance-of-fuel-filters-for-your-vehicles-performance\"\u003eRead our filter comparison guide here →\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"border:1px dashed #ccc;border-radius:4px;padding:12px;margin-top:12px;\"\u003e\n  \u003cstrong\u003eFrequently Bought Together:\u003c\/strong\u003e\n  \u003cul style=\"margin:8px 0 0 16px;\"\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/fa1886-air-filter-for-f250-f550-super-duty-powerstroke-6-4l-v8-2008-2010-f53-2011-6-8l-v10-7c3z-9601-b-af27687-ca10270\"\u003eFA1886 Air Filter\u003c\/a\u003e — for Ford 6.4L Powerstroke\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/tp1015-fuel-filter-and-a3231c-air-filter-for-silverado-gmc-sierra-2017-2019-duramax-6-6l-v8-2500hd-3500hd-diesel-engine\"\u003eTP1015 Fuel Filter \u0026amp; A3231C Air Filter Combo\u003c\/a\u003e — for Duramax 6.6L\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:12px;\"\u003e\u003cstrong\u003eBrowse More:\u003c\/strong\u003e \u003ca href=\"\/collections\/air-filter\"\u003eAll Air Filters Products →\u003c\/a\u003e | \u003ca href=\"\/collections\/filter\"\u003eAll Filter Products →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003c!-- ===== 段7: FAQ ===== --\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How often should I replace this filter?\u003c\/h4\u003e\n\u003cp\u003eA: We recommend replacing the air filter every 12 months \/ 15,000 miles or according to your vehicle's maintenance schedule. For severe duty, high-mileage or heavy load operating environments, more frequent replacement is advised to prevent intake restriction.\u003c\/p\u003e\n\u003ch4\u003eQ: Will this fit my Volvo bus?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, it is explicitly designed for Volvo B7R, B8R and B12R bus chassis. Please double-check your original OE part number against our \u003ca href=\"#compatibility\"\u003eCross-Reference table\u003c\/a\u003e before ordering. If you are unsure, feel free to contact us with your VIN.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the benefit of the radial seal design?\u003c\/h4\u003e\n\u003cp\u003eA: The radial seal creates a positive, self-aligning seal between the filter and housing — no separate gasket required. It delivers reliable sealing under high vibration and heavy load operation, preventing unfiltered air from bypassing the element.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this filter come with everything needed for installation?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is a complete single-piece filter element with the radial seal built in — ready to install out of the box. No additional seals, gaskets or tools are required.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the installation steps?\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003eShut down the engine and allow it to cool completely.\u003c\/li\u003e\n  \u003cli\u003eOpen the air cleaner housing and remove the old filter element.\u003c\/li\u003e\n  \u003cli\u003eClean the sealing surface of the housing — no debris allowed.\u003c\/li\u003e\n  \u003cli\u003eInstall the new element in the same position and sealing direction as the original.\u003c\/li\u003e\n  \u003cli\u003eClose and latch the housing securely, then start the engine and check for proper operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eQ: Why should I trust an iFJF air filter over other aftermarket brands?\u003c\/h4\u003e\n\u003cp\u003eA: We bring over 10 years of specialized experience to the US aftermarket. Unlike brands that simply re-label generic parts, our air filters and filtration systems are fully engineered and manufactured by iFJF, a facility certified to strict ISO 9001 and IATF 16949 standards. This means your filter is built with the same rigorous quality control required for advanced automotive components. Backed by additional ISO 14001 and OHSAS 18001 global certifications across select lines, each element undergoes exhaustive filtration and sealing tests before it reaches your door.\u003c\/p\u003e\n\n\u003c!-- ===== 段8: Package Includes ===== --\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x P618239 Radial Seal Air Filter Element\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===== 段9: Pain Point \u0026 Solution ===== --\u003e\n\u003ch3\u003eCommon Problems with OE \u0026amp; Aftermarket Filters — Solved by iFJF\u003c\/h3\u003e\n\u003cp style=\"font-size:0.95em;color:#666;\"\u003eWe analyzed verified customer reviews of OE and aftermarket alternatives. Here's what fleet owners keep complaining about — and how we fixed it:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;clear:both;width:100%;-webkit-overflow-scrolling:touch;\"\u003e\n\u003ctable style=\"width:100%;table-layout:fixed;word-wrap:break-word;\"\u003e\n  \u003ctr style=\"background:#fafafa;\"\u003e\n    \u003cth style=\"width:35%;\"\u003eWhat Owners Complain About\u003c\/th\u003e\n    \u003cth style=\"width:5%;\"\u003e\u003c\/th\u003e\n    \u003cth style=\"width:60%;\"\u003eHow iFJF Solved It\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e\"Seal fails under heat and vibration, causing air bypass.\"\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:0.85em;color:#888;\"\u003e— Common complaint in OE reviews\u003c\/span\u003e\n\u003c\/td\u003e\n    \u003ctd style=\"text-align:center;vertical-align:top;padding:10px;\"\u003e→\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;vertical-align:top;background:#f1f8e9;\"\u003e\n\u003cstrong\u003eRadial seal tested for heavy duty operation\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:0.9em;\"\u003eSelf-aligning radial seal keeps a leak-free fit under high vibration, eliminating bypass and unfiltered intake.\u003c\/span\u003e\n\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e\"Filter doesn't fit right — took force to install.\"\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:0.85em;color:#888;\"\u003e— Common complaint in aftermarket reviews\u003c\/span\u003e\n\u003c\/td\u003e\n    \u003ctd style=\"text-align:center;vertical-align:top;padding:10px;\"\u003e→\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;vertical-align:top;background:#f1f8e9;\"\u003e\n\u003cstrong\u003eVehicle-specific fit for B7R \/ B8R \/ B12R\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:0.9em;\"\u003eDimension-matched to the OE element — drops in cleanly, no forcing, no gaps.\u003c\/span\u003e\n\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;vertical-align:top;\"\u003e\n\u003cstrong\u003e\"Filter media collapses early, engine loses power.\"\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:0.85em;color:#888;\"\u003e— Common complaint in aftermarket reviews\u003c\/span\u003e\n\u003c\/td\u003e\n    \u003ctd style=\"text-align:center;vertical-align:top;padding:10px;\"\u003e→\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;vertical-align:top;background:#f1f8e9;\"\u003e\n\u003cstrong\u003eHigh-efficiency multi-layer media\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:0.9em;\"\u003eRobust media structure maintains flow while capturing contaminants and debris, keeping intake performance stable.\u003c\/span\u003e\n\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:12px;font-size:0.9em;\"\u003e\u003cem\u003eWe read the 1-star and 2-star reviews so you don't have to. Every iFJF product is engineered to solve the real problems owners actually face — not just match a spec sheet.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- ===== Footer Wholesale ===== --\u003e\n\u003cdiv style=\"background:#f0f7ff;border:1px solid #b8d4f0;border-radius:6px;padding:16px;margin-top:20px\"\u003e\n  \u003cstrong\u003eFactory Direct Supply \u0026amp; Wholesale\u003c\/strong\u003e — iFJF is a direct manufacturer of high-performance automotive and outdoor filtration systems. Custom specifications and bulk orders are highly welcome. Contact us for exclusive dealer pricing and volume discounts. \u003cbr\u003e\n  \u003cstrong\u003eEmail:\u003c\/strong\u003e support@ifjf.com\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f0f7ff;border:1px solid #b8d4f0;border-radius:8px;padding:18px 20px;margin-top:24px;text-align:center;\"\u003e\n  \u003ch3 style=\"margin:0 0 8px;\"\u003eBacked by 10+ Years of Excellence \u0026amp; Global Certifications\u003c\/h3\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;\"\u003eTrusted across the US market, iFJF delivers precision-engineered solutions. Manufactured and strictly lab-tested by iFJF under ISO 9001 and IATF 16949 automotive-grade quality standards — with additional ISO 14001 and OHSAS 18001 compliance — we guarantee factory-direct reliability you can count on.\u003c\/p\u003e\n  \u003cp style=\"margin:12px 0 0;font-size:0.85em;color:#555;\"\u003eISO 9001 · IATF 16949 · ISO 14001 · OHSAS 18001\u003c\/p\u003e\n\u003c\/div\u003e\n\n","brand":"iFJF","offers":[{"title":"Default Title","offer_id":51487187730678,"sku":"FJ-AF8239","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/3836\/3894\/files\/image_1_d1015fa5-60f5-4715-9c6b-c4ca9c44f264.jpg?v=1787125815","url":"https:\/\/ifjf.net\/products\/p618239-radial-seal-air-filter-compatible-volvo-b7r-b8r-b12r-bus","provider":"iFJF Direct","version":"1.0","type":"link"}