{"product_id":"bosch-ignition-wire-set-vw-type-1-beetle-ghia-type-2-bus-98-9986-b","title":"Bosch Ignition Wire Set | Air-Cooled VW Type 1 Engine (Beetle, Ghia, Bus) | Complete 5-Wire Set (98-9986-B)","description":"\u003ch2\u003e\u003cb\u003eBosch Ignition Wire Set | Air-Cooled VW Type 1 Engine | Complete Set (4 Plug Wires + Coil Wire)\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eBosch ignition wire set for air-cooled VW \u003cb\u003eType 1 engines\u003c\/b\u003e — Beetle, Karmann Ghia, and Bus (Type 1 engine only). The OE-spec replacement for original Bosch spark plug wires that have hardened, cracked, or developed insulation breakdown after decades in a hot engine bay. Part \u003cb\u003e#98-9986-B\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eBosch supplied the original ignition wires on virtually every air-cooled VW from the factory. For a restored or original-spec VW, Bosch wires are the correct choice — they look factory, fit factory routing clips, and last decades when properly installed. Old wires are one of the most overlooked sources of misfire, rough idle, and hard starting in damp weather.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Beetle:\u003c\/b\u003e 1949–1979 (all Type 1 engines)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Karmann Ghia:\u003c\/b\u003e 1956–1974\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Bus \/ Transporter:\u003c\/b\u003e 1950–1971 (Type 1 engine only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Thing (Type 181):\u003c\/b\u003e 1973–1974\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlso:\u003c\/b\u003e Dune buggies, sand rails, and kit cars running Type 1 engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWill NOT fit:\u003c\/b\u003e Type 4 engines (1972+ Bus, 411, 412, Porsche 914) — these use a different distributor cap, plug location, and wire lengths. Verify your Type 3 engine layout before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eWhy Choose Bosch?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eBosch is the German OE supplier that equipped these cars from the factory. Compared with budget aftermarket sets that use thinner insulation and lower-quality crimps, Bosch wires match the original distributor and coil setup and fit factory routing.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Set:\u003c\/b\u003e Four spark plug wires plus the coil-to-distributor wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFactory Fit:\u003c\/b\u003e Pre-cut to factory lengths with molded boots and proper terminal ends — no assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOE-Spec Resistive Core:\u003c\/b\u003e Suppresses radio noise and matches original Bosch wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheap Insurance:\u003c\/b\u003e Replaces original or unknown-age wires that cause misfire, rough idle, and hard starting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Bosch (German OE supplier)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Type 1 air-cooled VW engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold As:\u003c\/b\u003e Complete set (4 plug wires + coil wire)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCore:\u003c\/b\u003e OE-spec resistive\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 98-9986-B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIs this a complete set or just one wire?\u003c\/b\u003e Complete set — four spark plug wires plus the coil-to-distributor wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWill these work with my Pertronix or other electronic ignition?\u003c\/b\u003e Yes. Stock Bosch wires work fine with Pertronix Ignitor and similar modules. Some high-output systems (MSD, Crane) prefer low-resistance wires — follow that manufacturer's recommendation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAre these copper core or resistive?\u003c\/b\u003e Standard OE-spec resistive core, matching original Bosch wires — correct for stock VW ignition and radio-noise suppression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat plug wire length goes where?\u003c\/b\u003e Pre-cut to factory lengths for the Type 1 engine bay; cylinder #1 takes the shortest wire and #3 typically the longest. The set includes the right mix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo they come with new spark plug boots?\u003c\/b\u003e Yes — molded boots at both ends plus proper terminal ends. No assembly required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWill they fit my dual-carb or performance engine?\u003c\/b\u003e If it still uses the standard Bosch distributor cap and stock plug location, yes. If you've relocated the plugs or changed distributors, measure your existing wires first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eComplete your tune-up: \u003ca href=\"\/collections\/ignition\"\u003eIgnition\u003c\/a\u003e, more \u003ca href=\"\/collections\/bosch\"\u003eBosch\u003c\/a\u003e parts, and the full \u003ca href=\"\/collections\/all-vw-aircooled\"\u003eAir-Cooled VW\u003c\/a\u003e catalog.\u003c\/p\u003e","brand":"Washburn's Metal","offers":[{"title":"Default Title","offer_id":44699437334643,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/98-9986-B-500x367.jpg?v=1775364042","url":"https:\/\/www.washburnsmetal.com\/products\/bosch-ignition-wire-set-vw-type-1-beetle-ghia-type-2-bus-98-9986-b","provider":"Washburn's Metal","version":"1.0","type":"link"}