{"product_id":"lycoming-air-throttle-housing-gasket-o-540-io-540-tio-540-io-720","title":"Lycoming Air Throttle Housing Gasket | O-540 IO-540 TIO-540 IO-720","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eLycoming Air Throttle Housing Gasket\u003c\/strong\u003e provides the critical seal between the throttle\/air housing and its mating surface on applicable Lycoming engines. Designed for use during throttle body, induction system, or air housing installation and service, this gasket helps prevent unwanted air leaks and maintain a properly sealed induction system.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA good replacement item for \u003cstrong\u003eroutine maintenance, engine rebuilds, induction system repairs, and airboat engine projects\u003c\/strong\u003e using compatible Lycoming O-540, IO-540, TIO-540, and IO-720 engines.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement \u003cstrong\u003eair throttle housing gasket\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeals the throttle\/air housing mating surface\u003c\/li\u003e\n\u003cli\u003eHelps prevent induction air leaks\u003c\/li\u003e\n\u003cli\u003eRecommended when removing or reinstalling the throttle housing\u003c\/li\u003e\n\u003cli\u003eSuitable for engine repairs, rebuilds, and induction-system maintenance\u003c\/li\u003e\n\u003cli\u003eBroad compatibility with Lycoming 540-series engines\u003c\/li\u003e\n\u003cli\u003eExcellent replacement component for applicable \u003cstrong\u003eLycoming-powered airboats\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eQuantity: 1 gasket\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngine Fitment\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\" style=\"width: 18.811887%;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" style=\"width: 80.151843%;\"\u003e\u003cstrong\u003eCompatible Configurations\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 18.811887%;\"\u003e\u003cstrong\u003eIO-540\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.151843%;\"\u003eA1A5, B1A5, B1B5, B1C5, C1B5, C1C5, C2C, C4B5, C4B5D, C4C5, C4D5, C4D5D, D4A5, D4B5, D4C5, E1A5, E1B5, E1C5, G1A5, G1B5, G1C5, G1D5, G1E5, G1F5, J4A5, K1A5, K1A5D, K1B5, K1B5D, K1C5, K1D5, K1E5, K1E5D, K1F5, K1F5D, K1G5, K1G5D, K1H5, K1J5, K1J5D, K1K5, K2A5, L1A5, L1A5D, L1B5D, L1C5, M1A5, M1A5D, M1B5D, M1C5, M2A5D, N1A5, P1A5, R1A5, S1A5, T4A5D, T4B5, T4B5D, T4C5D, U1A5D, U1B5D, V4A5, V4A5D, W1A5, W1A5D, W3A5D, AA1A5, AA1B5, AB1A5, AC1A5, AE1A5, AF1A5, AG1A5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 18.811887%;\"\u003e\u003cstrong\u003eIO-720\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.151843%;\"\u003eA1A, A1B, A1BD, B1A, B1B, B1BD, C1B, C1BD, D1B, D1BD, D1C, D1CD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 18.811887%;\"\u003e\u003cstrong\u003eO-540\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.151843%;\"\u003eA1A, A1A5, A1B5, A1C5, A1D, A1D5, A2B, A3D5, A4A5, A4B5, A4C5, A4D5, A4E5, B1A5, B1B5, B1D5, B2A5, B2B5, B2C5, B4A5, B4B5, D1A5, E4A5, E4B5, E4C5, F1A5, F1B5, G1A5, G2A5, H1A5, H1A5D, H1B5D, H2A5, H2A5D, H2B5D, J1A5D, J1B5D, J1C5D, J1D5D, J2A5D, J2B5D, J2C5D, J2D5D, J3A5, J3A5D, J3C5D, L3C5D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 18.811887%;\"\u003e\u003cstrong\u003eTIO-540\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.151843%;\"\u003eA1A, A1B, A1C, A2A, A2B, A2C, C1A, E1A, F2BD, G1A, H1A, J2B, J2BD, K1AD, N2BD, R2AD, S1AD, T2AD, U2A, V2AD, W2A, AA1AD, AB1AD, AB1BD, AE2A, AF1A, AF1B, AG1A, AH1A, AJ1A, AK1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCommon Airboat Applications\u003c\/h3\u003e\n\u003cp\u003eThis gasket covers many of the \u003cstrong\u003eLycoming 540-series engines commonly adapted for airboat use\u003c\/strong\u003e, including numerous:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eO-540 • IO-540 • TIO-540\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeeping the throttle housing properly sealed is important because an induction leak can allow \u003cstrong\u003eunmetered air into the engine\u003c\/strong\u003e, potentially affecting mixture, idle quality, and overall engine performance.\u003c\/p\u003e\n\u003ch3\u003eInstallation Recommendation\u003c\/h3\u003e\n\u003cp\u003eWhenever the air throttle housing is removed, inspect the mating surfaces for old gasket material, damage, or irregularities. Installing a \u003cstrong\u003enew gasket rather than reusing a compressed or damaged gasket\u003c\/strong\u003e helps provide a reliable seal during reassembly.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Lycoming engines can have different induction and throttle configurations even within the same engine family. Always verify the complete engine model and suffix, existing throttle housing configuration, and applicable part number before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Airboat Solutions","offers":[{"title":"Default Title","offer_id":49404510568603,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/0075\/0235\/files\/7174d75c-bd25-48d5-9474-56711ee47adc.png?v=1788013837","url":"https:\/\/airboatsolutions.com\/products\/lycoming-air-throttle-housing-gasket-o-540-io-540-tio-540-io-720","provider":"Airboat Solutions","version":"1.0","type":"link"}