{"product_id":"tung-sol-550-heavy-duty-12v-flasher-nos-boxed","title":"Tung‑Sol 550 Heavy‑Duty 12V Flasher (NOS, Boxed)","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTung‑Sol 550 Heavy‑Duty 12V Flasher (NOS, Boxed)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe canister is stamped:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTUNG‑SOL 550 — 12V — HEAVY DUTY FLASHER — PAT. NO. 3218415 — MADE IN U.S.A. — USE WITH 14A FUSE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Tung‑Sol\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e 550\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Heavy‑Duty thermal flasher\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTerminals:\u003c\/strong\u003e 2‑prong\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFuse Requirement:\u003c\/strong\u003e 14‑amp inline fuse\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEra:\u003c\/strong\u003e 1960s–1980s\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUse Case:\u003c\/strong\u003e Multi‑lamp, towing, hazard circuits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e550\u003c\/strong\u003e was Tung‑Sol’s premium heavy‑load flasher — a step above the common 552 series.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e🚗 \u003cstrong\u003e\u003cspan role=\"button\" data-url=\"ca:\/\/s?q=List_vehicle_applications_for_Tung_Sol_550\" tabindex=\"0\"\u003eVehicle Compatibility\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBecause it’s a universal 2‑terminal 12V flasher, the 550 fits nearly all U.S. vehicles from the 1960s–1990s:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet: Camaro, Chevelle, Nova, Impala\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord: Mustang, Fairlane, LTD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChrysler: Dart, Valiant, Fury\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAMC: Hornet, Javelin, Gremlin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrucks: Chevy C\/K, Ford F‑Series, Dodge D‑Series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSUVs: Blazer, Bronco, Ramcharger\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIH: Scout, pickups\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrailers, RVs, tractors, construction equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIf it blinked a turn signal or hazard light in a 12‑volt system, the 550 fits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eWhy the 550 Matters\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eCompared to the 552:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandles \u003cstrong\u003ehigher current loads\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMore stable blink rate under \u003cstrong\u003etowing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBetter \u003cstrong\u003eheat tolerance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePreferred in \u003cstrong\u003efleet and commercial vehicles\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMore desirable to collectors due to \u003cstrong\u003eTung‑Sol branding\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eYour example is especially desirable because it has \u003cstrong\u003eoriginal Tung‑Sol packaging\u003c\/strong\u003e, not distributor packaging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVintage \u003cstrong\u003eTung‑Sol 550\u003c\/strong\u003e heavy‑duty flasher, correct for all 12‑volt cars and trucks using 2‑terminal turn‑signal or hazard circuits. Rated for multi‑lamp loads and towing setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e • Genuine Tung‑Sol heavy‑duty flasher • Model 550 — 12V • 2‑terminal design • Requires 14‑amp inline fuse • Fits all 12V cars, trucks, trailers, and equipment • NOS condition with original Tung‑Sol packaging\u003c\/span\u003e\u003c\/p\u003e","brand":"CorvairFarmer","offers":[{"title":"Default Title","offer_id":49059792158971,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/3740\/8251\/files\/aa_eef024f6-c1df-47cb-9bf8-e8ed18fb1370.jpg?v=1783626302","url":"https:\/\/corvairfarmer.com\/products\/tung-sol-550-heavy-duty-12v-flasher-nos-boxed","provider":"CorvairFarmer","version":"1.0","type":"link"}