There are two types of spark plugs: conventional and long-life. Conventional spark plugs need to be replaced every 30,000-50,000 miles. Long-life (iridium- or platinum-tipped) spark plugs need to be changed between 60,000 and 150,000 miles , depending on the vehicle.
How long can platinum spark plugs last?
Platinum is much harder metal than nickel alloy and has a higher melting point. Since platinum is harder, it holds its sharp edge much longer than a conventional spark plug, up to 100,000 miles . Longevity is a key advantage of platinum spark plugs.
How long do Bosch platinum plugs last?
Normal copper plugs only last about 20,000 miles. However, using platinum plugs can give you 60,000 miles of use. Other types can last up to 100,000 miles. Of course, it can be very difficult to tell if your spark plugs are beginning to wear out.
How many miles do double platinum spark plugs last?
Copper core spark plugs typically have a maximum life of 32,000 miles. If your customer’s original double platinum or iridium spark plugs lasted 100,000 miles and you replace them with copper, imagine his/her dissatisfaction when they need to be replaced again at 32,000 miles. Next up is the single platinum spark plug.
How much does it cost to replace platinum spark plugs?
The cost depends on the expected life and material used on the electrode. Platinum- or iridium-tipped plugs using laser technology cost the most: as much as $25 each. 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.
Are Bosch platinum spark plugs good?
For the vast majority of drivers on the road today, the Bosch Platinum +4 can be considered the best all-around spark plug . ... This creates a powerful, long-duration spark which is better suited to igniting the fuel/air mixture in any engine, high performance or not.
How do I know if my spark plugs need changing?
- Rattling, pinging or “knock”-like noises. When spark plugs begin to misfire, you may notice unusual noises from the force of the pistons and combustion not working properly. ...
- Hard vehicle start. ...
- Reduced performance. ...
- Poor fuel economy.
Are double platinum spark plugs good?
It yields decent longevity but ranks the poorest in performance. Platinum spark plugs are also recommended for cars with an electronic distributor ignition system, while double platinum spark plugs best fit vehicles with a waste spark distributor ignition system.
How long do spark plugs last in years?
When your engine is functioning correctly, spark plugs should last between 20,000 and 30,000 miles. The U.S. Federal Highway Administration clocks Americans’ average annual mileage at 13,476. Break this down into spark-plug life expectancy, and it comes to between 1.5 and 2.25 years .
Which is better NGK or Denso spark plugs?
Denso plugs are installed on almost every automobile model manufactured in Japan. The iridium used in them has a superior hardness. The electrode’s diameter in Denso plugs shrinks more than an NGK . For this reason, Denso plugs do not last longer than NGK units, but they are better at producing powerful sparks.
How often should you replace spark plugs?
And as a general rule, we recommend replacing spark plugs every 30,000 miles , which falls in line with most manufacturers’ recommendations. You can check your owner’s manual or the manufacturer’s website for information specific to your make and model vehicle.
Should I replace ignition coils with spark plugs?
Should I replace ignition coils with spark plugs? Ignition coils and spark plugs work closely together. ... But if you are simply replacing your spark plugs as part of routine maintenance service, it is not necessary to replace your ignition coils at the same time unless there are signs that they are failing .
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.
Which brand of ignition coil is the best?
- Best Overall. Delphi GN10328 Ignition Coil. ...
- Best Value. ENA 8-Pack Ignition Coil Set. ...
- Honorable Mention. King Auto Parts Combo Pack of Ignition Coils for Honda, Acura, Saturn.
What’s the best spark plugs for horsepower?
- Denso (4504) PK20TT.
- NGK 3403 G-Power.
- ACDelco 41-962.
- NGK Iridium IX.
- ACDelco 9748RR Wires.
What’s the best spark plug in the world?
- Editor’s Pick: Denso Platinum TT Plug. ...
- NGK V-Power Spark Plug. ...
- ACDelco Professional Iridium. ...
- ACDelco Professional RAPIDFIRE. ...
- Champion Copper Plus. ...
- Motorcraft Spark Plugs. ...
- NGK Laser Platinum.
