{"product_id":"furuno-rsb0071-058-24-4kw-radome-radar-antenna","title":"Furuno RSB0071-058 24-Inch 4kW Radome Radar Antenna Assembly","description":"\u003cp class=\"nvn-hero\"\u003eThe Furuno RSB0071-058 is the genuine antenna radiator assembly for Furuno's 24-inch, 4 kW radome radar, part number 008-476-610. If the scanner on your mast or arch has quit, this is the OEM part that gets your radar picture back, usually as a straight swap instead of a full system replacement.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThe RSB0071-058 is Furuno's replacement antenna radiator assembly for their 24-inch, 4 kW radome radar. If the scanner up on your mast or radar arch has quit, this is the genuine Furuno part that brings it back to life. Furuno part number 008-476-610. It's the same radome-class antenna that shipped on a whole run of Furuno's compact pulse radars, so getting your picture back is usually a straight swap rather than a full system replacement.\u003c\/p\u003e\n\u003cp\u003eHere's what you're looking at. A radome radar hides the spinning antenna and its magnetron transmitter inside a sealed dome. Nothing sticks out to snag a jib sheet or a fishing line, which is exactly why radome scanners are the go-to for sailboats, small trawlers, and center consoles where an open array would be in the way. The RSB0071 is the 24-inch, 4 kW version of that setup. Four kilowatts of transmit power is plenty for the kind of coastal and nearshore work these radars were built for. Picking up buoys, other boats, a squall line rolling in, or the shoreline when the fog drops.\u003c\/p\u003e\n\u003cp\u003eThis antenna unit pairs with a specific family of Furuno displays. We've seen it used on the 1721, the 1731 MARK-3, the 1732 and 1732C, the 1734C, and the M841 MARK-2. If you're running one of those and your radar went dark, a failed scanner is one of the most common culprits. Confirm your display model first, then match the antenna to it. The display and the antenna talk to each other over the signal cable, so as long as you're staying inside that Furuno family, the swap keeps everything talking.\u003c\/p\u003e\n\u003cp\u003eWhen does a scanner need replacing? Usually it's water intrusion. These domes live in the worst spot on the boat, up high and taking every bit of spray, sun, and weather. Over enough seasons a seal gives up, moisture gets in, and the antenna or the magnetron inside starts to fade. You'll see it as a weak picture, missing returns, or nothing at all while the display itself still powers up fine. If your head unit boots and self-tests but the radar image is gone, the scanner is the first place to look.\u003c\/p\u003e\n\u003cp\u003eA couple of things worth knowing before you order. This is the RSB0071-058 radiator assembly, Furuno 008-476-610. The RSB0071 radome family has a few closely related sub-variants that were matched to different display generations, so check this exact part number against your scanner's parts list or your Furuno dealer before you buy. You don't want to end up with a near-miss. And buy it new. There's a lot of used, pulled, and gray-market radar gear floating around out there, and a marine antenna that's already lived a hard life on someone else's boat is a gamble you don't need to take. This one's a genuine new Furuno part.\u003c\/p\u003e\n\u003cp\u003eInstallation is a scanner-unit job. The antenna mounts up high with a clear view around the boat, and the signal cable runs back down to the display at the helm. If you replaced a matching unit, you're reusing the same mount and the same cable run, which keeps the job clean. If you're comfortable working aloft and pulling a cable, plenty of owners handle this themselves. If not, any Furuno-savvy installer can knock it out. Either way, you're back to a working radar without repowering the whole helm.\u003c\/p\u003e\n\u003cp\u003eOne more note on matching. Furuno built these radars to be simple and dependable, and the antenna is a big part of that reliability. Get the right RSB0071-058, mount it solid, seal the cable gland well, and it'll ride out plenty more seasons. If you're not sure whether your radar's trouble is the scanner or the display, give us a call. We're happy to help you sort out which part you actually need before you spend a dime.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eGenuine Furuno OEM part 008-476-610, so it drops into the RSB0071 radome radars it was built for\u003c\/li\u003e\n  \u003cli\u003e24-inch radome enclosure keeps the spinning antenna sealed and snag-free, ideal for sailboats and small power boats\u003c\/li\u003e\n  \u003cli\u003e4 kW magnetron transmitter delivers solid target detection for coastal and nearshore navigation\u003c\/li\u003e\n  \u003cli\u003eAntenna radiator assembly (RSB0071-058) replaces a failed or water-damaged scanner without touching your display\u003c\/li\u003e\n  \u003cli\u003eCompatible with Furuno 1721, 1731 MARK-3, 1732, 1732C, 1734C, and M841 MARK-2 radars\u003c\/li\u003e\n  \u003cli\u003eSealed dome construction stands up to spray, sun, and weather in the exposed mast-top mounting position\u003c\/li\u003e\n  \u003cli\u003eNew replacement unit, not a used or gray-market pull, backed by full Furuno warranty through an authorized dealer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Furuno reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat exactly is the Furuno RSB0071-058?\u003c\/summary\u003e\n    \u003cp\u003eIt's the antenna radiator assembly for Furuno's 24-inch, 4 kW radome radar, sold under Furuno part number 008-476-610. It's the scanner unit that spins inside the dome and sends the radar picture down to your display.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich Furuno radars does this antenna work with?\u003c\/summary\u003e\n    \u003cp\u003eIt's used on the Furuno 1721, 1731 MARK-3, 1732, 1732C, 1734C, and M841 MARK-2. Confirm your display model before ordering, then match the antenna to it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a new part or a used pull?\u003c\/summary\u003e\n    \u003cp\u003eNew. This is a genuine Furuno replacement part, not a used or gray-market scanner. We'd always steer you toward a new antenna over a secondhand one that's already spent years exposed on someone else's boat.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's the transmit power?\u003c\/summary\u003e\n    \u003cp\u003e4 kW. That's the standard output for this 24-inch radome class, and it's plenty for coastal and nearshore navigation, picking up boats, buoys, shorelines, and weather.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if my scanner is the problem and not the display?\u003c\/summary\u003e\n    \u003cp\u003eIf your display powers up and self-tests fine but the radar image is weak or gone, the scanner is the usual suspect. Water intrusion and an aging magnetron are the common failures on a dome this age.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it include the magnetron?\u003c\/summary\u003e\n    \u003cp\u003eThis is the RSB0071-058 antenna radiator assembly. Because part configurations vary, check the 008-476-610 part number against your scanner's parts list or your Furuno dealer so you get exactly the assembly your radar needs.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I install it myself?\u003c\/summary\u003e\n    \u003cp\u003eMany owners do. The antenna mounts up high with a clear view around the boat, and the signal cable runs back to the display. If you're replacing a matching unit, you reuse the same mount and cable. If you'd rather not work aloft, any Furuno-savvy installer can handle it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill I need to replace my display too?\u003c\/summary\u003e\n    \u003cp\u003eNot if your display is one of the compatible models and it's working. The whole point of swapping just the scanner is to get your radar back without repowering the entire helm.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eAssy\/Ant Radiator RSB0071-058\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFuruno\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e008-476-610\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e611679253699\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eRadar Antenna Radiator Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eAntenna Size\u003c\/th\u003e\n\u003ctd\u003e24 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEnclosure Style\u003c\/th\u003e\n\u003ctd\u003eRadome (Enclosed Dome)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTransmitter Output Power\u003c\/th\u003e\n\u003ctd\u003e4 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTransmitter Type\u003c\/th\u003e\n\u003ctd\u003eMagnetron\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFuruno Part Series\u003c\/th\u003e\n\u003ctd\u003eRSB0071\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCompatible Radar Systems\u003c\/th\u003e\n\u003ctd\u003eFuruno 1721, 1731 MARK-3, 1732, 1732C, 1734C, M841 MARK-2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew OEM Replacement Part\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What exactly is the Furuno RSB0071-058?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's the antenna radiator assembly for Furuno's 24-inch, 4 kW radome radar, sold under Furuno part number 008-476-610. It's the scanner unit that spins inside the dome and sends the radar picture down to your display.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which Furuno radars does this antenna work with?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's used on the Furuno 1721, 1731 MARK-3, 1732, 1732C, 1734C, and M841 MARK-2. Confirm your display model before ordering, then match the antenna to it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a new part or a used pull?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"New. This is a genuine Furuno replacement part, not a used or gray-market scanner. We'd always steer you toward a new antenna over a secondhand one that's already spent years exposed on someone else's boat.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's the transmit power?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"4 kW. That's the standard output for this 24-inch radome class, and it's plenty for coastal and nearshore navigation, picking up boats, buoys, shorelines, and weather.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I know if my scanner is the problem and not the display?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"If your display powers up and self-tests fine but the radar image is weak or gone, the scanner is the usual suspect. Water intrusion and an aging magnetron are the common failures on a dome this age.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it include the magnetron?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"This is the RSB0071-058 antenna radiator assembly. Because part configurations vary, check the 008-476-610 part number against your scanner's parts list or your Furuno dealer so you get exactly the assembly your radar needs.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I install it myself?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Many owners do. The antenna mounts up high with a clear view around the boat, and the signal cable runs back to the display. If you're replacing a matching unit, you reuse the same mount and cable. If you'd rather not work aloft, any Furuno-savvy installer can handle it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will I need to replace my display too?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Not if your display is one of the compatible models and it's working. The whole point of swapping just the scanner is to get your radar back without repowering the entire helm.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Furuno","offers":[{"title":"Default Title","offer_id":44786874613853,"sku":"2007046","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_e86a9f27-41e2-4289-85ed-4cdcbebfed4c.png?v=1784980688","url":"https:\/\/nvnmarine.com\/products\/furuno-rsb0071-058-24-4kw-radome-radar-antenna","provider":"NVN Marine","version":"1.0","type":"link"}