{"product_id":"oem-harley-davidson-6-volt-ignition-coil-panhead-knucklehead-flathead-31604-48","title":"Harley 6-Volt 6V Ignition Coil Panhead Knucklehead Flathead UL Black 31604-48","description":"\u003cp\u003eHarley 6-Volt 6V Ignition Coil Panhead Knucklehead Flathead UL Black 31604-48Part #: 31604-48  V-twin part # 32-1338\u003c\/p\u003e\u003cp\u003eHarley-Davidson part number 31604-48 is a 6-volt ignition coil primarily used on vintage \"Big Twin\" motorcycles from 1948 to 1964. \u003c\/p\u003e\u003cp\u003eIt is a \"square-style\" coil and is a standard component for Panhead, Knucklehead, and Flathead models. \u003c\/p\u003e\u003cul class=\"KsbFXc U6u95\" jsaction=\"\" jscontroller=\"mPWODf\" data-sfc-root=\"c\" jsuid=\"y34wDb_m\" data-sfc-cb=\"\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"y34wDb_n\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"y34wDb_p\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003ePrimary Resistance: 0.85 – 0.95 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"y34wDb_q\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"y34wDb_s\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eSecondary Resistance: 17.5 – 18.5 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"y34wDb_t\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAC\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"y34wDb_v\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eInput Voltage: 6V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"y34wDb_w\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAD\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"y34wDb_y\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eIgnition Type: Mechanical (Points)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"y34wDb_z\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAE\" data-sae=\"\" data-complete=\"true\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"y34wDb_11\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eFire Method: Dual Fire (both cylinders fire at the same time)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFitment: This part is specifically for the following Harley-Davidson series: \u003c\/p\u003e\u003cul class=\"KsbFXc U6u95\" jsaction=\"\" jscontroller=\"mPWODf\" data-sfc-root=\"c\" jsuid=\"Tdzghf_20\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"Tdzghf_21\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAA\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"Tdzghf_23\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003ePanhead (1948–1964):\u003c\/span\u003e\u003cul class=\"KsbFXc U6u95\" jsaction=\"\" jscontroller=\"mPWODf\" data-sfc-root=\"c\" jsuid=\"Tdzghf_24\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"Tdzghf_25\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"Tdzghf_27\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eEL (Hydra Glide): 1949–1952 (61 cu. in. models).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"Tdzghf_28\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAC\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2a\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eFL (Hydra Glide \/ Duo Glide): 1948–1964 (74 cu. in. models).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2b\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAD\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2d\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eFLH (Duo Glide): 1955–1964.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2e\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAE\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2g\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eKnucklehead: Late 1947 and 1948 models (transitioning to the new coil style).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" jsaction=\"\" jscontroller=\"vsuOFb\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2h\" data-sfc-cb=\"\" data-hveid=\"CAEIBhAF\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"Yjhzub\" jsaction=\"\" jscontroller=\"zYmgkd\" data-sfc-root=\"c\" jsuid=\"Tdzghf_2j\" data-sfc-cb=\"\" data-complete=\"true\" style=\"font-weight: 700;\"\u003eFlathead (U Series): 1948 Big Twin Flatheads.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease make sure of fitment before buying.\u003c\/p\u003e\u003cp\u003eNew, open for pictures.\u003c\/p\u003e\u003cp\u003eSelling as pictured, save on shipping by coming to store in Butler, PA\u003c\/p\u003e\u003cp\u003e032026 CC\u003c\/p\u003e","brand":"cyclewarehouse.online","offers":[{"title":"Default Title","offer_id":46695437566114,"sku":"31604-48 Ignition Coil","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/9824\/2861\/files\/20260320120459a.jpg?v=1774023330","url":"https:\/\/cyclewarehouse.online\/products\/oem-harley-davidson-6-volt-ignition-coil-panhead-knucklehead-flathead-31604-48","provider":"cyclewarehouse.online","version":"1.0","type":"link"}