The product is a set of two Bosch Super W8DC spark plugs designed for vintage Mercedes-Benz models such as the 190SL, 230SL, 250SL, and 280SL. These copper spark plugs have a 14 mm thread diameter and a 21 mm hex size. Manufactured in Germany, these spark plugs operate on a 12V voltage system and are suitable for gasoline fuel types. They are vintage parts with an OE/OEM part number of 0241229588 and interchange part numbers 1469534 and 12121469534, ensuring compatibility with specific vehicle models. The spark plugs are branded by Bosch and come with a California Prop 65 warning for potential cancer and reproductive harm.


Exact item set is shown. New old stock with original packaging. Set weight 5 oz. 14mmx1.25 thread diameter. Gap: 0.8 mm; Thread reach: 19 mm; Hex size: 21mm. 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.