The 3x Bosch W8CC Spark Plugs are designed for use in Volkswagen VW vehicles manufactured between 1972-1979 for Bus models and 1982-1983 for Vanagon models. These vintage spark plugs feature a 14mm thread diameter, copper material construction, and a 20.8mm hex size. Made in Germany by Bosch, the spark plugs have a 12V voltage rating and an installation depth of 12.7mm. They interchange with part numbers 0241229579, W145T2, BR5ES, and 7504, and carry the OEM part number 0241229579-076. The product is specifically designed for gasoline fuel type vehicles. Exact item set is shown. New old stock with original packaging. Set weight 6 oz. Thread diameter: M 14x1.25; Thread reach: 12.7mm; Hex size: 20.8mm. Made in Germany. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.