{"product_id":"generac-0050439srv-brush-assembly-genuine-oem-replacement-generator-carbon-brush-assembly","title":"Generac 0050439SRV Brush Assembly – Genuine OEM Replacement Generator Carbon Brush Assembly","description":"\u003cp data-start=\"0\" data-end=\"213\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 0050439SRV\u003cbr data-start=\"27\" data-end=\"30\"\u003e\u003cstrong data-start=\"30\" data-end=\"43\"\u003eCategory:\u003c\/strong\u003e Generator Parts → Alternator Components → Carbon Brush Assemblies\u003cbr data-start=\"109\" data-end=\"112\"\u003e\u003cstrong data-start=\"112\" data-end=\"121\"\u003eType:\u003c\/strong\u003e Generac 0050439SRV Brush Assembly – Genuine OEM Replacement Generator Carbon Brush Assembly\u003c\/p\u003e\n\u003chr data-start=\"215\" data-end=\"218\"\u003e\n\u003cp data-start=\"220\" data-end=\"756\"\u003eThe Generac 0050439SRV Brush Assembly is a genuine OEM replacement carbon brush assembly designed for compatible Generac generators. Installed within the generator’s alternator assembly, the carbon brushes maintain electrical contact with the rotating slip rings to support field excitation and dependable electrical output. Manufactured to original equipment specifications, this assembly provides the correct fit, contact pressure, and electrical performance required when replacing worn, damaged, or malfunctioning generator brushes.\u003c\/p\u003e\n\u003chr data-start=\"758\" data-end=\"761\"\u003e\n\u003ch2 data-section-id=\"1pi78xj\" data-start=\"763\" data-end=\"793\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"766\" data-end=\"793\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"795\" data-end=\"1310\"\u003e\n\u003cli data-section-id=\"1nke0wa\" data-start=\"795\" data-end=\"820\"\u003ePart Number: 0050439SRV\u003c\/li\u003e\n\u003cli data-section-id=\"1n1ya84\" data-start=\"821\" data-end=\"859\"\u003eGenuine OEM Generac replacement part\u003c\/li\u003e\n\u003cli data-section-id=\"avf3kv\" data-start=\"860\" data-end=\"904\"\u003eDesigned for compatible Generac generators\u003c\/li\u003e\n\u003cli data-section-id=\"jusn8t\" data-start=\"905\" data-end=\"951\"\u003eReplacement alternator carbon brush assembly\u003c\/li\u003e\n\u003cli data-section-id=\"tu7pcf\" data-start=\"952\" data-end=\"1009\"\u003eMaintains electrical contact with designated slip rings\u003c\/li\u003e\n\u003cli data-section-id=\"1afd1y8\" data-start=\"1010\" data-end=\"1048\"\u003eSupports alternator field excitation\u003c\/li\u003e\n\u003cli data-section-id=\"1phx3ww\" data-start=\"1049\" data-end=\"1097\"\u003eHelps maintain stable generator voltage output\u003c\/li\u003e\n\u003cli data-section-id=\"1j59kym\" data-start=\"1098\" data-end=\"1146\"\u003eDirect replacement for worn or damaged brushes\u003c\/li\u003e\n\u003cli data-section-id=\"fyhvnz\" data-start=\"1147\" data-end=\"1198\"\u003eManufactured to original equipment specifications\u003c\/li\u003e\n\u003cli data-section-id=\"1u7e18g\" data-start=\"1199\" data-end=\"1254\"\u003eIdeal for generator electrical repair and maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1um3mje\" data-start=\"1255\" data-end=\"1310\"\u003eHelps restore dependable power-generation performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1312\" data-end=\"1315\"\u003e\n\u003ch2 data-section-id=\"id1bjs\" data-start=\"1317\" data-end=\"1348\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1320\" data-end=\"1348\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1350\" data-end=\"1622\"\u003e\n\u003cli data-section-id=\"1nke0wa\" data-start=\"1350\" data-end=\"1375\"\u003ePart Number: 0050439SRV\u003c\/li\u003e\n\u003cli data-section-id=\"1419b18\" data-start=\"1376\" data-end=\"1399\"\u003eManufacturer: Generac\u003c\/li\u003e\n\u003cli data-section-id=\"1yxwl4x\" data-start=\"1400\" data-end=\"1447\"\u003eProduct Type: Generator Carbon Brush Assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1y5uyhv\" data-start=\"1448\" data-end=\"1510\"\u003eInstallation Location: Alternator or generator head assembly\u003c\/li\u003e\n\u003cli data-section-id=\"ird1ix\" data-start=\"1511\" data-end=\"1576\"\u003eApplication: Electrical contact and alternator field excitation\u003c\/li\u003e\n\u003cli data-section-id=\"t73psd\" data-start=\"1577\" data-end=\"1592\"\u003eOEM Part: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"1ic2kyp\" data-start=\"1593\" data-end=\"1622\"\u003eQuantity: Sold Individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1624\" data-end=\"1627\"\u003e\n\u003ch2 data-section-id=\"4jtp2i\" data-start=\"1629\" data-end=\"1659\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1632\" data-end=\"1659\"\u003eCompatible Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1661\" data-end=\"1787\"\u003eThe Generac 0050439SRV Brush Assembly is designed for use with select Generac generators and compatible alternator assemblies.\u003c\/p\u003e\n\u003cp data-start=\"1789\" data-end=\"2004\"\u003eAlways verify the generator model, serial number, alternator configuration, original part number, electrical connections, mounting design, and applicable parts diagram before ordering to ensure proper compatibility.\u003c\/p\u003e\n\u003chr data-start=\"2006\" data-end=\"2009\"\u003e\n\u003ch2 data-section-id=\"11rnyzb\" data-start=\"2011\" data-end=\"2048\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2014\" data-end=\"2048\"\u003eFunction of the Brush Assembly\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2050\" data-end=\"2095\"\u003eThe 0050439SRV Brush Assembly is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2097\" data-end=\"2457\"\u003e\n\u003cli data-section-id=\"76ydnj\" data-start=\"2097\" data-end=\"2155\"\u003eMaintain electrical contact with the rotating slip rings\u003c\/li\u003e\n\u003cli data-section-id=\"10eoqbu\" data-start=\"2156\" data-end=\"2209\"\u003eTransfer excitation current to the alternator rotor\u003c\/li\u003e\n\u003cli data-section-id=\"eubqm4\" data-start=\"2210\" data-end=\"2258\"\u003eSupport creation of the rotor’s magnetic field\u003c\/li\u003e\n\u003cli data-section-id=\"kabzz7\" data-start=\"2259\" data-end=\"2306\"\u003eHelp the alternator produce electrical output\u003c\/li\u003e\n\u003cli data-section-id=\"kjilpv\" data-start=\"2307\" data-end=\"2356\"\u003eMaintain consistent contact as the brushes wear\u003c\/li\u003e\n\u003cli data-section-id=\"1rmwdej\" data-start=\"2357\" data-end=\"2391\"\u003eSupport stable generator voltage\u003c\/li\u003e\n\u003cli data-section-id=\"1qxbjer\" data-start=\"2392\" data-end=\"2457\"\u003eRestore the generator’s original power-production functionality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2459\" data-end=\"2569\"\u003eCarbon brushes are normal wear components that gradually shorten through contact with the rotating slip rings.\u003c\/p\u003e\n\u003chr data-start=\"2571\" data-end=\"2574\"\u003e\n\u003ch2 data-section-id=\"1h7g79j\" data-start=\"2576\" data-end=\"2617\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2579\" data-end=\"2617\"\u003eCommon Signs Replacement Is Needed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2619\" data-end=\"2671\"\u003eReplace or inspect the brush assembly if you notice:\u003c\/p\u003e\n\u003cul data-start=\"2673\" data-end=\"3076\"\u003e\n\u003cli data-section-id=\"1glx5lh\" data-start=\"2673\" data-end=\"2730\"\u003eGenerator engine runs but produces no electrical output\u003c\/li\u003e\n\u003cli data-section-id=\"1obmyb4\" data-start=\"2731\" data-end=\"2766\"\u003eOutput voltage is low or unstable\u003c\/li\u003e\n\u003cli data-section-id=\"qt4ge3\" data-start=\"2767\" data-end=\"2797\"\u003ePower output cuts in and out\u003c\/li\u003e\n\u003cli data-section-id=\"1srp58p\" data-start=\"2798\" data-end=\"2840\"\u003eCarbon brushes are excessively shortened\u003c\/li\u003e\n\u003cli data-section-id=\"11pf900\" data-start=\"2841\" data-end=\"2883\"\u003eBrushes are chipped, cracked, or binding\u003c\/li\u003e\n\u003cli data-section-id=\"9s6o8\" data-start=\"2884\" data-end=\"2919\"\u003eBrush springs are weak or damaged\u003c\/li\u003e\n\u003cli data-section-id=\"1wmgh0j\" data-start=\"2920\" data-end=\"2968\"\u003eElectrical leads or terminals show heat damage\u003c\/li\u003e\n\u003cli data-section-id=\"16cnhnn\" data-start=\"2969\" data-end=\"3021\"\u003eSlip rings show excessive arcing or uneven contact\u003c\/li\u003e\n\u003cli data-section-id=\"xukdpm\" data-start=\"3022\" data-end=\"3076\"\u003eVisible burning or discoloration around the assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3078\" data-end=\"3282\"\u003eOutput problems can also result from damaged slip rings, wiring, voltage regulators, rotor windings, stator windings, or control components. Diagnose the complete generating system before replacing parts.\u003c\/p\u003e\n\u003chr data-start=\"3284\" data-end=\"3287\"\u003e\n\u003ch2 data-section-id=\"bnihmp\" data-start=\"3289\" data-end=\"3324\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3292\" data-end=\"3324\"\u003eInstallation \u0026amp; Service Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"3326\" data-end=\"4267\"\u003e\n\u003cli data-section-id=\"ojosrm\" data-start=\"3326\" data-end=\"3401\"\u003eShut down the generator and allow it to cool completely before servicing.\u003c\/li\u003e\n\u003cli data-section-id=\"1syhvr8\" data-start=\"3402\" data-end=\"3473\"\u003eDisconnect all connected electrical loads and external power sources.\u003c\/li\u003e\n\u003cli data-section-id=\"1a6ox7q\" data-start=\"3474\" data-end=\"3547\"\u003eDisable automatic startup according to the manufacturer’s instructions.\u003c\/li\u003e\n\u003cli data-section-id=\"7qw9fq\" data-start=\"3548\" data-end=\"3617\"\u003eDisconnect the starting battery, beginning with the negative cable.\u003c\/li\u003e\n\u003cli data-section-id=\"13e8bta\" data-start=\"3618\" data-end=\"3697\"\u003eConfirm that no hazardous voltage is present before accessing the alternator.\u003c\/li\u003e\n\u003cli data-section-id=\"1q2n55j\" data-start=\"3698\" data-end=\"3768\"\u003eNote the original brush orientation, wiring, and terminal positions.\u003c\/li\u003e\n\u003cli data-section-id=\"odtrn9\" data-start=\"3769\" data-end=\"3816\"\u003eRemove the existing brush assembly carefully.\u003c\/li\u003e\n\u003cli data-section-id=\"1el64a3\" data-start=\"3817\" data-end=\"3885\"\u003eInspect the slip rings for dirt, scoring, burning, or uneven wear.\u003c\/li\u003e\n\u003cli data-section-id=\"gdvi6u\" data-start=\"3886\" data-end=\"3966\"\u003eInstall the 0050439SRV Brush Assembly in the correct position and orientation.\u003c\/li\u003e\n\u003cli data-section-id=\"1k3tjjq\" data-start=\"3967\" data-end=\"4042\"\u003eConfirm that the brushes move freely and contact the slip rings properly.\u003c\/li\u003e\n\u003cli data-section-id=\"9g398x\" data-start=\"4043\" data-end=\"4119\"\u003eReconnect all electrical leads according to the applicable wiring diagram.\u003c\/li\u003e\n\u003cli data-section-id=\"fe7jsu\" data-start=\"4120\" data-end=\"4199\"\u003eRotate the engine manually when appropriate to confirm unobstructed movement.\u003c\/li\u003e\n\u003cli data-section-id=\"7tunzm\" data-start=\"4200\" data-end=\"4267\"\u003eReassemble all guards and covers before testing generator output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4269\" data-end=\"4560\"\u003e\u003cstrong data-start=\"4269\" data-end=\"4283\"\u003eImportant:\u003c\/strong\u003e Generator electrical systems can contain hazardous voltage and may start automatically. Proper electrical testing and service procedures are required. Professional installation is recommended if you are unfamiliar with alternators, generator wiring, or voltage-output testing.\u003c\/p\u003e\n\u003chr data-start=\"4562\" data-end=\"4565\"\u003e\n\u003ch2 data-section-id=\"d80cxu\" data-start=\"4567\" data-end=\"4601\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4570\" data-end=\"4601\"\u003eMaintenance Recommendations\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"4603\" data-end=\"5211\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1xoca0b\" data-start=\"4603\" data-end=\"4676\"\u003eInspect carbon-brush length and condition during scheduled maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"taeye2\" data-start=\"4677\" data-end=\"4749\"\u003eKeep the brush holder and alternator interior free of dust and debris.\u003c\/li\u003e\n\u003cli data-section-id=\"6bat5o\" data-start=\"4750\" data-end=\"4807\"\u003eConfirm that each brush moves freely within its holder.\u003c\/li\u003e\n\u003cli data-section-id=\"12h5rwr\" data-start=\"4808\" data-end=\"4875\"\u003eInspect the slip rings for scoring, corrosion, and contamination.\u003c\/li\u003e\n\u003cli data-section-id=\"1in8qm0\" data-start=\"4876\" data-end=\"4943\"\u003eInvestigate arcing, unstable voltage, or reduced output promptly.\u003c\/li\u003e\n\u003cli data-section-id=\"qmk8zt\" data-start=\"4944\" data-end=\"5017\"\u003eReplace worn brushes before the carbon material becomes fully depleted.\u003c\/li\u003e\n\u003cli data-section-id=\"lkwnil\" data-start=\"5018\" data-end=\"5082\"\u003eAvoid contaminating brushes and slip rings with oil or grease.\u003c\/li\u003e\n\u003cli data-section-id=\"9h8los\" data-start=\"5083\" data-end=\"5211\" data-is-last-node=\"\"\u003eUse genuine OEM replacement parts to maintain proper electrical contact, voltage output, and dependable generator performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Generac","offers":[{"title":"Default Title","offer_id":53589000192363,"sku":"0050439SRV","price":11.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/0050439SRV.jpg?v=1784693120","url":"https:\/\/generalsprayers.com\/products\/generac-0050439srv-brush-assembly-genuine-oem-replacement-generator-carbon-brush-assembly","provider":"GeneralSprayers","version":"1.0","type":"link"}