{"product_id":"1999-2025-harley-davidson-big-twin-softail-touring-dyna-inner-primary-mainshaft-seal","title":"1999-2025 Harley-Davidson Big Twin \/ Softail \/ Touring \/ Dyna Inner Primary Mainshaft Seal","description":"\u003cp\u003eThis inner primary mainshaft seal is designed to provide a secure, leak-proof barrier between the primary housing and the transmission. Engineered by Nightforge for long-lasting durability, the seal effectively keeps primary fluid contained while preventing external debris from entering critical drivetrain components. You can depend on this high-quality replacement to maintain the performance and cleanliness of your motorcycle's primary drive system.\u003c\/p\u003e\n\u003cp\u003eThis seal fits Harley-Davidson Big Twin, Softail, Touring, and Dyna models from 1999 to 2025.\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Singles","offer_id":52570571505888,"sku":"NF12052A","price":2.54,"currency_code":"USD","in_stock":true},{"title":"10 Packs","offer_id":52570571538656,"sku":"NF12052A-10","price":25.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/8451\/9648\/files\/InnerPrimaryMainshaftSeal_NF12052A.png?v=1778058620","url":"https:\/\/nightforgeparts.com\/products\/1999-2025-harley-davidson-big-twin-softail-touring-dyna-inner-primary-mainshaft-seal","provider":"Night Forge Parts","version":"1.0","type":"link"}