{"product_id":"harddrive-breather-bolt-oem-3577-820-50540","title":"Harddrive Breather Bolt - OEM 3577 — Harley-Davidson Electra Glide Classic, Electra Glide Ultra Classic, Softail Heritage Classic (1993-2001)","description":"\u003cp\u003eHarddrive breather bolt for Harley-Davidson Big Twin and Sportster V-twin engines, a direct OEM replacement for part #3577. Mounts to the breather backing plate on the crankcase to seal the breathing system.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM #3577 replacement\u003c\/li\u003e\n  \u003cli\u003eFits Big Twin models 1993-1999\u003c\/li\u003e\n  \u003cli\u003eFits select Sportster models 1995-2000\u003c\/li\u003e\n  \u003cli\u003eCheck HD parts manual for specific model fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harddrive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 19-131\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191361165627\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 3.74 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.78 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1168 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Taiwan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Big Twin models 1993–1999 and select Sportster models 1995–2000. Verify your specific year and model against the OEM parts manual, as breather bolt fitment varies by engine revision.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my year and model?\u003c\/h3\u003e\n\u003cp\u003eThis part fits Big Twin 1993-1999 and some Sportster 1995-2000 models. Check your HD parts manual to confirm fitment for your specific bike.\u003c\/p\u003e\n\u003ch3\u003eWhat does a breather bolt do?\u003c\/h3\u003e\n\u003cp\u003eIt seals the breather backing plate on the crankcase, directing engine vapors into the intake to prevent oil leakage.\u003c\/p\u003e\n\u003ch3\u003eIs this an OEM Harley part or aftermarket?\u003c\/h3\u003e\n\u003cp\u003eThis is a Harddrive reproduction of OEM #3577, distributed by Western Power Sports as a direct replacement.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between this and other breather bolts?\u003c\/h3\u003e\n\u003cp\u003eThis bolt is sized and threaded to match the factory breather backing plate on classic Big Twin and Sportster engines. Newer models use different systems.\u003c\/p\u003e","brand":"Harddrive","offers":[{"title":"Default Title","offer_id":53035740594287,"sku":"820-50540","price":18.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/21a6-5b6b73f658278.jpg?v=1777529241","url":"https:\/\/vtwinbikers.com\/products\/harddrive-breather-bolt-oem-3577-820-50540","provider":"Vtwinbikers","version":"1.0","type":"link"}