Why are spark plugs so expensive?

Why Are Iridium Spark Plugs So Expensive? Iridium spark plugs cost more than other varieties because of the scarcity of iridium itself. Iridium is an extremely rare metal that is only mined in certain locations, and global supply has been severely affected by travel and processing restrictions during the pandemic.

Why is it so expensive to replace spark plugs?

Since replacing the plugs is no longer an annual service, most vehicle manufacturers stopped making them accessible. Today, replacing the plugs may require removing the intake manifold and a lot of other work to reach them.

Are expensive spark plugs worth it?

They won't make the engine perform better than it did when it was new, but they will help it stay at that level longer. Are noble metal plugs worth it? That's up to you. If you want long-lasting plugs that will reduce the work you need to do replacing plugs and don't mind paying extra for that luxury, yes.

How much should I pay to replace spark plugs?

You can pay between $16 and $100 for a set of spark plugs, depending on the type of plugs you need and the number of cylinders your engine has. And when figuring out the price, it helps to remember that some specialty engines use two spark plugs per cylinder.

Why are OEM spark plugs so expensive?

Electrode Design And Shape Is A Big Deal

Most OEM spark plugs have carefully designed electrodes that are ground into a very specific shape. This shaping is costly, as it adds complexity and time to the manufacturing process.

The Best Spark Plugs in the World and Why

Why are NGK Spark Plugs better?

Modern engines demand more power while using less fuel, shortening the life of traditional iridium and platinum spark plugs. NGK's patented ruthenium technology stands up better to wear to bring maximum durability and performance to your engine.

Are NGK Spark Plugs better?

Consistently high quality, a comprehensive applications catalog and time-proven performance make NGK an excellent choice for standard electrode and noble metal wire tipped spark plugs.

How long can spark plugs last?

A standard copper spark plug has an average life span of 10,000-20,000 miles. Silver plugs, used for older vehicles, can last up to 20,000 miles. Expensive iridium spark plugs or platinum spark plugs can last 60,000 miles. Extended life spark plugs or long life spark plugs can last 100,000 miles.

Can you change sparkplugs yourself?

Changing spark plugs takes about an hour (for a four-cylinder engine) and will save you at least a hundred bucks in labor if you do it yourself. In most cases it's a simple job that will help to maintain peak performance and the highest possible gas mileage.

What happens if you don't change your spark plugs?

Spark plugs will depreciate over time, so various engine issues will arise if they are not replaced. When the spark plugs do not generate the adequate spark, the combustion of the air/fuel mixture becomes incomplete, leading to loss of engine power, and in the worst-case scenario, the engine will not run.

Why are iridium spark plugs so expensive?

Iridium spark plugs cost more than other varieties because of the scarcity of iridium itself. Iridium is an extremely rare metal that is only mined in certain locations, and global supply has been severely affected by travel and processing restrictions during the pandemic.

Do spark plugs add horsepower?

When you change your worn-out spark plug with fresh spark plugs, you'll notice a much faster engine response when driving. While spark plugs don't technically increase your engine's horsepower, they bring it back to its optimal combustion level.

Do aftermarket spark plugs make a difference?

Better gas mileage is just the beginning. These premium spark plugs last longer than conventional plugs, which means you'll be able to go a longer time between tune-ups, keeping your maintenance costs down.

What are the symptoms of a bad spark plug?

How can you tell when a spark plug is bad?

What does a tune up consist of?

Generally, a tune-up consists of checking the engine for parts that need cleaning, fixing, or replacing. Common areas under inspection include filters, spark plugs, belts and hoses, car fluids, rotors, and distributor caps. Many of these only require a visual inspection or a simple test.

How much does it cost to get spark plugs installed?

The Average Cost to Replace Spark Plugs Is $66-$250, Depending on if You Go to the Mechanic or DIY. This price range is based on national averages for all vehicles and does not factor in taxes, fees, or your particular make and model.

Should I disconnect my car battery before changing spark plugs?

It's also good practice to disconnect the negative terminal of your car battery when working on anything electrical. Be sure to let your car's engine cool thoroughly before replacing your spark plugs. This will make removal of the plugs and the spark plug wire or ignition coil boot easier.

What else should I replace when replacing spark plugs?

Whenever you change spark plugs, it is a good idea to replace the ignition wires and vice versa. This will keep your vehicle running at peak performance and prevent you wasting money on unburned gasoline. In fact, a sudden drop in gas mileage may be an indicator that your ignition system is not functioning properly.

How can I make my spark plugs last longer?

Cautiously extract the spark plug from its place by using a steadfast spark plug socket twist. Then, saturate it in a carburetor cleaner or a thinner liquid that seems like diesel, kerosene, or any other alcohol blend.

Can spark plugs last 200 000 miles?

Spark plugs

If maintained well, they can last 100,000 miles. But by the 200K mark, you could be overdue for a third set of plugs.

Can spark plugs last 100000 miles?

Most spark plugs have a factory service interval of 100,000 miles, though some may be as much as 120,000 miles. Long-life platinum and iridium spark plugs will typically last up to 100,000 miles or longer provided the engine isn't using oil or doesn't spend a lot of time idling.

Do spark plug brands matter?

Although many motorists and technicians prefer to stick with the same brand when replacing spark plugs, there's nothing on the label that limits a particular brand of plug to a particular vehicle make or model.

Is iridium or platinum better?

Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.

Should you grease spark plugs?

Metal shell stretch changes the heat rating of the spark plug and can result in serious engine damage caused by pre-ignition. Do not use anti-seize or lubricant on NGK spark plugs. It is completely unnecessary and can be detrimental.