{"product_id":"belt-alt-serpentine-ltr-shouldered-sn-ic972971-and-up","title":"Indmar 725029 Alternator Belt","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/logo-indmar-min_0e25333a-de6f-4d2f-8df6-c5860601bedc.png?v=1776958495\" alt=\"\"\u003e\u003c\/p\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69ea37f2-9634-83ea-95ed-3658eca80b3e-11\" data-testid=\"conversation-turn-68\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e06f5ce9-2ec0-474c-9066-7780aa79dbc1\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"1lvfghw\" data-start=\"0\" data-end=\"34\"\u003eIndmar 725029 Alternator Belt\u003c\/h2\u003e\n\u003cp data-start=\"37\" data-end=\"306\"\u003eKeep your charging system working the way it should with the Indmar 725029 Alternator Belt. This OEM replacement belt is designed for Indmar inboard engines using a V-belt drive, providing the proper tension and grip needed to keep your alternator spinning efficiently.\u003c\/p\u003e\n\u003cp data-start=\"308\" data-end=\"657\"\u003eA worn or slipping belt can lead to low voltage, weak battery charging, and overheating. Replacing it with the correct factory-spec belt helps restore consistent alternator performance and ensures your engine accessories operate smoothly. The 725029 is built for marine use, offering durability against heat, moisture, and constant engine vibration.\u003c\/p\u003e\n\u003cp data-start=\"659\" data-end=\"900\"\u003eDesigned as a direct-fit replacement, this belt matches original length and profile for easy installation and proper alignment on compatible Indmar setups. It’s a simple maintenance item that can make a big difference in overall reliability.\u003c\/p\u003e\n\u003chr data-start=\"902\" data-end=\"905\"\u003e\n\u003ch3 data-section-id=\"1a75pb5\" data-start=\"907\" data-end=\"942\"\u003eCommon Engine \u0026amp; Boat Fitments\u003c\/h3\u003e\n\u003cp data-start=\"943\" data-end=\"1115\"\u003eThe 725029 alternator belt is used on Indmar engines with V-belt pulley systems, commonly found on GM-based 5.0L and 5.7L platforms from the late 1990s through early 2000s.\u003c\/p\u003e\n\u003cp data-start=\"1117\" data-end=\"1146\"\u003eTypical applications include:\u003c\/p\u003e\n\u003cul data-start=\"1148\" data-end=\"1409\"\u003e\n\u003cli data-section-id=\"1ciytff\" data-start=\"1148\" data-end=\"1220\"\u003eSupra Sunsport, Supra Comp, and Supra Launch (Indmar-powered models)\u003c\/li\u003e\n\u003cli data-section-id=\"k0z0w\" data-start=\"1221\" data-end=\"1277\"\u003eMoomba Outback, Moomba Mobius, and Moomba Outback LS\u003c\/li\u003e\n\u003cli data-section-id=\"ybh2p7\" data-start=\"1278\" data-end=\"1338\"\u003eMalibu Sunsetter and Malibu Response with Indmar engines\u003c\/li\u003e\n\u003cli data-section-id=\"1n7y2ah\" data-start=\"1339\" data-end=\"1409\"\u003eMasterCraft ProStar 190 and MasterCraft Maristar (Indmar-equipped)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1411\" data-end=\"1537\"\u003eThese boats often rely on simple belt-driven accessory systems, making proper belt condition essential for reliable operation.\u003c\/p\u003e\n\u003cp data-start=\"1539\" data-end=\"1685\"\u003eFitment can vary by engine configuration and pulley setup, so confirming compatibility with part number \u003cstrong data-start=\"1643\" data-end=\"1653\"\u003e725029\u003c\/strong\u003e is recommended before ordering.\u003c\/p\u003e\n\u003chr data-start=\"1687\" data-end=\"1690\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1692\" data-end=\"1708\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1709\" data-end=\"1939\"\u003e\n\u003cli data-section-id=\"1oiyoqm\" data-start=\"1709\" data-end=\"1747\"\u003eGenuine Indmar OEM alternator belt\u003c\/li\u003e\n\u003cli data-section-id=\"ailsln\" data-start=\"1748\" data-end=\"1786\"\u003eDesigned for V-belt pulley systems\u003c\/li\u003e\n\u003cli data-section-id=\"s6733y\" data-start=\"1787\" data-end=\"1845\"\u003eMaintains proper alternator speed and battery charging\u003c\/li\u003e\n\u003cli data-section-id=\"5bmn31\" data-start=\"1846\" data-end=\"1894\"\u003eDurable construction for marine environments\u003c\/li\u003e\n\u003cli data-section-id=\"jjjjoy\" data-start=\"1895\" data-end=\"1939\"\u003eDirect replacement for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1941\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1946\" data-end=\"2209\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf your belt is showing signs of wear, cracking, or slipping, replacing it is one of the easiest ways to prevent charging issues on the water. The Indmar 725029 alternator belt keeps your system running smoothly so you can focus on enjoying your time on the lake.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Indmar","offers":[{"title":"Default Title","offer_id":48717414367489,"sku":"725029","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/725029.jpg?v=1777667714","url":"https:\/\/inboardpartshq.com\/products\/belt-alt-serpentine-ltr-shouldered-sn-ic972971-and-up","provider":"Inboard Parts HQ","version":"1.0","type":"link"}