{"@context":"https://schema.org","@type":"Product","name":"CEC Industries 4257NA","mpn":"4257NA","brand":{"@type":"Brand","name":"CEC Industries"},"category":"Wedge base lamp","url":"https://www.bulbcross.com/parts/cec-industries/4257na/","description":"CEC Industries 4257NA — wedge base lamp (miniature lamps); fits 6 vehicle models (FORD F150, FORD F250 SUPER DUTY, FORD F350 SUPER DUTY, …)","status":"unknown","specifications":[{"key":"base","label":"Base","value":"WUZ2.5X16q","unit":null,"status":"verified"},{"key":"bulb_shape","label":"Bulb shape","value":"T-6 1/2","unit":null,"status":"verified"},{"key":"e_marked","label":"E-marked","value":"No","unit":null,"status":"verified"},{"key":"filament","label":"Filament","value":"C-6/C-6","unit":null,"status":"verified"},{"key":"glass_diameter_in","label":"Glass diameter","value":".807","unit":"in","status":"verified"},{"key":"glass_diameter_mm","label":"Glass diameter","value":"20.5","unit":"mm","status":"verified"},{"key":"lcl_in","label":"Light centre length (LCL)","value":"1.10","unit":"in","status":"verified"},{"key":"lcl_mm","label":"Light centre length (LCL)","value":"27.90","unit":"mm","status":"verified"},{"key":"mol_in","label":"Maximum overall length (MOL)","value":"2.09","unit":"in","status":"verified"},{"key":"mol_mm","label":"Maximum overall length (MOL)","value":"53.00","unit":"mm","status":"verified"},{"key":"rohs_compliant","label":"RoHS compliant","value":"Yes","unit":null,"status":"verified"},{"key":"voltage","label":"Voltage","value":"12.8/14","unit":"V","status":"verified"},{"key":"wattage","label":"Wattage","value":"28.54/8.26","unit":"W","status":"verified"}],"fits":[{"target":"FORD F150","type":"vehicle_model","status":"verified","years":null,"position":"Parking lamp, Front turn signal, Rear turn signal","page":"https://www.bulbcross.com/fits/ford-f150/"},{"target":"FORD F250 SUPER DUTY","type":"vehicle_model","status":"verified","years":null,"position":"Rear turn signal","page":"https://www.bulbcross.com/fits/ford-f250-super-duty/"},{"target":"FORD F350 SUPER DUTY","type":"vehicle_model","status":"verified","years":null,"position":"Rear turn signal","page":"https://www.bulbcross.com/fits/ford-f350-super-duty/"},{"target":"FORD F450, F550 SUPER DUTY","type":"vehicle_model","status":"verified","years":null,"position":"Rear turn signal","page":"https://www.bulbcross.com/fits/ford-f450-f550-super-duty/"},{"target":"FORD F600 SUPER DUTY","type":"vehicle_model","status":"verified","years":null,"position":"Rear turn signal","page":"https://www.bulbcross.com/fits/ford-f600-super-duty/"},{"target":"FORD MAVERICK","type":"vehicle_model","status":"verified","years":null,"position":"Front turn signal, Parking lamp","page":"https://www.bulbcross.com/fits/ford-maverick/"}],"cross_references":[],"sources":[{"title":"CEC Industries: Automotive Lamp Application Guide 1980 - 2023","url":"https://www.cecindustries.com/attachments/AppGuide_1980-2023.pdf","publisher":"CEC Industries","kind":"catalog_page","locator":"p193","supports":"fitment"},{"title":"CEC Industries: Automotive Lamp Application Guide 1980 - 2023","url":"https://www.cecindustries.com/attachments/AppGuide_1980-2023.pdf","publisher":"CEC Industries","kind":"catalog_page","locator":"p197","supports":"fitment"},{"title":"CEC Industries: Automotive Lamp Application Guide 1980 - 2023","url":"https://www.cecindustries.com/attachments/AppGuide_1980-2023.pdf","publisher":"CEC Industries","kind":"catalog_page","locator":"p203","supports":"fitment"},{"title":"CEC Industries: All Miniature Lamps (catalogue listing)","url":"https://www.cecindustries.com/products/miniatures/all-miniature.php?page=6&npp=100","publisher":"CEC Industries","kind":"catalog_page","locator":"row 4257NA","supports":"spec"},{"title":"CEC Industries: miniature lamp 4257NA (catalogue detail page)","url":"https://www.cecindustries.com/products/miniatures/mindetails.php?SentPartNum=4257NA","publisher":"CEC Industries","kind":"manufacturer_page","locator":"","supports":"spec"}],"offers":[],"evidence_labels":{"verified":"stated by the manufacturer's own published cross-reference or catalogue","single_source":"stated by one publisher, not corroborated","candidate":"asserted by a seller listing only"},"generated":"2026-09-30","site":"BulbCross"}