{"product_id":"hydraulic-rear-brake-light-switch-for-2008-2017-harley-dyna","title":"Hydraulic Rear Brake Light Switch for 2008-2017 Harley Dyna","description":"\u003cp\u003e\u003cstrong\u003eBillet Proof Designs hydraulic rear brake light switch is a direct-fit replacement for 2008–2017 Harley Dyna and FLD models that restores reliable brake-light activation with corrosion-resistant materials and DOT-compatible components.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen a worn or corroded brake light switch leaves your bike without a functioning rear brake light, replacement parts must be durable, weatherproof, and electrically dependable. This Billet Proof Designs switch is built to meet those needs: it uses high-temperature engineering plastic, an EPDM diaphragm compatible with DOT 3\/4\/5 brake fluids, silver-plated terminals for improved contact, and a zinc-plated steel body proven to resist corrosion longer than original-equipment units in salt-spray testing. It directly replaces Harley part number 72026-08A and fits a range of 2008–2017 Harley Dyna and FLD models.\u003c\/p\u003e\n\n\u003ch3\u003eWill this switch fit my Harley Dyna or FLD model?\u003c\/h3\u003e\n\u003cp\u003eYes — the switch is manufactured to match the original mounting and electrical interface for specific Harley models from 2008 through 2017. It is a direct replacement for HD part #72026-08A, so installation is usually plug-and-play with existing brake lines and connectors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: FXD Super Glide, FXDL Low Rider, FXDWG Wide Glide, FXDB Street Bob, FXDF Fat Bob, FLD Switchback (2008–2017).\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design replaces HD# 72026-08A without modification.\u003c\/li\u003e\n  \u003cli\u003eStandard electrical terminals and mounting footprint for simple swap-out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the switch resist corrosion and rough conditions?\u003c\/h3\u003e\n\u003cp\u003eThe switch body is zinc plated steel, which the manufacturer tested against original-equipment parts using back-to-back salt spray testing; results showed the Billet Proof switch delays visible red corrosion longer than OE. Protective finishes and material selection reduce failure risk from road salt, moisture, and typical exposure for motorcycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZinc-plated steel body for improved outdoor corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eSilver-plated electrical terminals to resist tarnish and maintain conductivity.\u003c\/li\u003e\n  \u003cli\u003eEngineering plastics and robust sealing to block water and chemicals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and fluids is the switch compatible with?\u003c\/h3\u003e\n\u003cp\u003eMaterials were chosen for thermal stability and chemical compatibility. The connector uses engineering plastics rated for high temperatures and common automotive chemicals, while an EPDM diaphragm handles a range of brake fluids without swelling or degradation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEPDM diaphragm compatible with DOT 3, DOT 4, and DOT 5 brake fluids.\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature engineering plastic resists automotive chemicals and heat.\u003c\/li\u003e\n  \u003cli\u003eSilver-plated terminals maintain low-resistance connections under corrosion stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and what should I check after fitting?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic motorcycle maintenance. The switch replaces the OE unit directly; after mounting and reconnecting, bleed any trapped air if the brake line was opened and verify brake lights activate under lever or pedal pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play electrical connector and mounting for direct swap.\u003c\/li\u003e\n  \u003cli\u003eObserve brake fluid level and bleed lines if the hydraulic circuit was opened.\u003c\/li\u003e\n  \u003cli\u003eTest brake-light activation at rest and during applied pressure before riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Riders and mechanics who own 2008–2017 Harley Dyna or FLD models and need a durable, corrosion-resistant replacement for a failing rear hydraulic brake light switch. It’s especially suited to bikes ridden in wet or salty conditions, or for owners who prefer parts with improved contact plating and tested anti-corrosion finishes. If you want a direct-fit replacement that uses brake-fluid-compatible materials and offers reliable electrical contact, this Billet Proof Designs switch is engineered to meet those expectations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this replace Harley part number 72026-08A?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This Billet Proof switch is a direct replacement for HD part #72026-08A and fits specified 2008–2017 Dyna and FLD models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the diaphragm compatible with DOT brake fluids?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The switch uses an EPDM diaphragm compatible with DOT 3, DOT 4, and DOT 5 brake fluids.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Billet Proof Designs","offers":[{"title":"Default Title","offer_id":48087735697566,"sku":"B0CH1RV287","price":43.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/billet-proof-switch-front-view.jpg?v=1785929958","url":"https:\/\/northtrailauto.ca\/products\/hydraulic-rear-brake-light-switch-for-2008-2017-harley-dyna","provider":"North Trail Auto","version":"1.0","type":"link"}