Iridium usually lasts 25% longer than platinum, but you guessed it, they’re usually more expensive!

How expensive are spark plugs. Original equipment ac delco : A spark plug (sometimes, in british english, a sparking plug, and, colloquially, a plug) is a device for delivering electric current from an ignition system to the. And, because it was such a.

The reason spark plugs have become more expensive in the past couple of decades is because precious metals that resist corrosion/deterioration are now used that help. Denso 4504 pk20tt platinum tt spark plug. As engines became more powerful and reliable, the conditions in the combustion chamber.

The mechanic replaced the spark plugs, points and condenser, and checked or replaced the rest of the ignition system, all for $19.95 (really old). Most spark plug sets range anywhere from $12 to $600. The heat created by the combustion process must be dissipated after the combustion cycle is done.

Spark plugs are relatively cheap. Being that these are iridium spark plugs, they are on the expensive side; As with all automotive parts, several factors determine the cost of a repair.

Spark plug types based on operating temperatures. The average cost to have an automotive repair shop replace your spark plugs is about $200. If you take your car to your.

The iridium spark plug can last longer than platinum by almost twice the mileage, reducing the need to replace a bad spark plug every 60,000 miles. The price will largely depend on the vehicle in question. The spark plugs come in a pack of four, meaning that you will have to buy at least another package for a.