The product is a set of ten Bosch Super Spark Plugs with the part number HR10HCO / 7590. These spark plugs are made with a copper core, manufactured in Germany by Bosch.

The Bosch 7590 spark plug, also known by its part number HR10HC0, is compatible with various vehicles, particularly certain Ford and Mercury models from the mid-1990s. For example, it fits the 1997 Ford Mustang with a 3.8L V6 engine and the 1995 Ford Taurus with a 3.8L V6 engine. Additionally, it is suitable for the 1995 Ford Windstar and the 1995 Mercury Cougar XR-7, both equipped with 3.8L V6 engines. 

Please note that Bosch has discontinued the 7590 spark plug. As a replacement, Bosch recommends using the 7990 model. 

It’s essential to verify compatibility with your specific vehicle model and engine type before purchasing or installing spark plugs. Consulting your vehicle’s owner manual or seeking advice from a certified mechanic can provide confirmation.

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