The heat range of a Champion spark plug is indicated within the individual part number. The number in the middle of the letters used to designate the specific spark plug gives the heat range. For instance, if a Champion ... More »

The numbers on spark plugs indicate properties such as spanner width and design, heat rating, thread length, construction features and electrode distances. Different manufacturers use similar coding, which makes it easie... More »

When a vehicle has problems starting, idles roughly, the engine misfires or surges, lacks acceleration or has a noticeable decrease in fuel efficiency, the spark plugs may not work properly. Spark plugs may cease working... More » supplies a spark plug cross reference chart that compares Champion spark plug part numbers to those of other brands. While the Champion Spark Plugs site doesn't provide a cross reference chart, it has a... More » Vehicles Car Parts & Maintenance

There are charts on the web for cross referencing Champion spark plugs. uses a search tool that allows the input of the Champion plug number to return a chart of equivalent plugs from other m... More » Vehicles Car Parts & Maintenance

Champion manufactures spark plugs for use in automobiles, high-performance engines, marine vehicles, lawn and garden tools and industrial equipment. Champion also produces glow plugs for use in diesel engines. Many of Ch... More »

The top reason ignition coils fail is bad spark plugs or plug wires. Another potential cause is heat and vibration, which can damage the ignition coil's windings and insulation. If an engine is experiencing repeated coil... More »