Bosch Shielded Spark Plug WC7A 0240235004 (WC175ERT1)

Robustness and high wear resistance: special ceramic material with high dielectric strength and mechanical resistance Supports optimal engine performance: smooth running and constant acceleration Protection against corrosion: nickel-plated housing and thread prevent seizure on the cylinder head. Please use the vehicle identification to confirm compatibility with your vehicle; all restrictions must be observed. Please note that the gent OE reference numbers are not a complete list; use the search box at the top of this page to find the right spark plug for your vehicle International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

The Bosch WC7A is a discontinued spark plug that is no longer manufactured. Where a current equivalent exists it is shown in the alternatives below.Bosch heat value 7 (higher number = hotter plug on the Bosch scale). Approximate NGK equivalent heat range: 6.Heat (NGK scale) is our conversion of the Bosch heat number onto the NGK scale, so plugs from different makers can be compared on one hot-to-cold ladder. Makers' cross-references can be half a heat range apart, and plugs have moved up or down the scale over the years where no direct replacement exists, so treat it as a guide and check the recommendation for your vehicle.