Scion Spark Plug Parts

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$7.96
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$11.36
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$5.07
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$1.99
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$6.59
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$11.10
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$16.09
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$16.76
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$9.42
Bosch original equipment design with ultra-fine wire iridium center electrode and iridium-platinum tapered ground electrode deliver optimum performance and durability.
Acura, Cadillac, Chevrolet, Lexus, Mercedes, Mitsubishi, Scion, Subaru, Suzuki, Toyota, Volvo & more
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$8.29
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$8.64
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$15.33
Lexus CT200h
Scion iQ
Toyota Corolla, Prius, Prius V, Prius Plug-In, Corolla iM
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$11.19
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$11.66
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$15.49
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$2.19
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$2.28
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$2.85
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Enhanced Yttrium version. Pregapped for normal usage.
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$2.59
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$2.70
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$3.61

The average cost of a Scion spark plug is between $1.99 and $16.09.

Scion spark plugs are an essential part of the ignition system in your vehicle. They are responsible for creating the spark that ignites the air/fuel mixture in the engine's combustion chamber. The spark plugs are connected to the spark plug wires, which carry the high voltage electricity from the ignition coil to the spark plug. The spark plug is then responsible for creating a spark that jumps across the gap between the electrodes, igniting the air/fuel mixture and causing the combustion process to occur.

The spark plug is composed of several different parts. The center electrode is the part of the spark plug that carries the electric current from the spark plug wire to the spark plug gap. The side electrode is the part of the spark plug that creates the spark across the gap. The shell of the spark plug is made of metal and is responsible for helping to dissipate the heat generated by the spark plug. The porcelain insulator is the part of the spark plug that helps to keep the metal shell from coming into contact with the center and side electrodes.

The ignition system in your vehicle also includes the ignition coil, distributor cap, rotor, and spark plug wires. The ignition coil is responsible for transforming the low voltage electricity from the battery into the high voltage electricity needed to create the spark across the spark plug gap. The distributor cap and rotor are responsible for directing the high voltage electricity from the ignition coil to the correct spark plug. The spark plug wires are responsible for carrying the high voltage electricity from the distributor cap and rotor to the spark plug.

In order for your vehicle to run properly, all of these parts must work together in harmony. If one of these parts is faulty or not functioning properly, it can cause your vehicle to misfire, run rough, or even not start at all. It is important to make sure that all of these parts are in good condition and working properly in order to ensure that your vehicle runs smoothly.

Faulty Scion Spark Plug Symptoms

Signs of faulty Scion spark plugs can include:

  • Poor engine performance: Spark plugs that are worn out or failing can cause a decrease in engine performance. This can be evidenced by slower acceleration, a decrease in fuel efficiency, and difficulty starting the engine.
  • Engine misfiring: Worn out spark plugs can cause the engine to misfire, which can be recognized by a jerking sensation when the engine is running.
  • Check engine light: A check engine light may come on if the spark plugs are faulty.
  • Rough idle: If the spark plugs are failing, the engine may have difficulty maintaining a smooth idle.
  • Excessive exhaust emissions: Faulty spark plugs can cause an increase in exhaust emissions, which can be identified by a strong smell of gasoline or a black smoke coming from the tailpipe.
  • Backfiring: Faulty spark plugs can cause the engine to backfire, which is a loud popping sound that comes from the exhaust system.
  • Unusual engine noise: Spark plugs that are worn out or failing can cause the engine to make a knocking or rattling noise.

Types of Scion Spark Plugs

Scion spark plugs are an essential component of your engine and play an important role in keeping your vehicle running smoothly. There are several types of spark plugs available for your Scion, each offering different levels of performance and reliability.

The most common type of spark plug used in a Scion is a copper-core plug. This type of plug is designed to provide a strong spark and reliable performance in most engines. Copper-core spark plugs are also relatively inexpensive and easy to replace.

Another type of spark plug available for a Scion is a platinum-tipped plug. This type of plug offers superior performance and durability compared to a copper-core plug. Platinum-tipped plugs are more expensive than copper-core plugs, but they last longer and provide a stronger spark.

Finally, there are double-platinum spark plugs available for your Scion. These plugs are designed to provide superior performance and durability. Double-platinum plugs are more expensive than other types of plugs, but they are also designed to last longer and provide a stronger spark.

No matter which type of spark plug you choose for your Scion, it is important to make sure that it is the correct size and type for your engine. Installing the wrong type of spark plug can cause damage to your engine and can even lead to engine failure.


The lifespan of a spark plug in a Scion vehicle depends on several factors, such as the type of spark plug, the type of vehicle, and the driving conditions. Generally, spark plugs in a Scion vehicle should last between 30,000 and 100,000 miles. It is important to note that the spark plugs may need to be changed sooner if the vehicle is driven in extreme conditions, such as in very cold or hot climates, or if the vehicle is used for towing or off-roading. It is also important to note that the spark plugs should be inspected every 30,000 miles and replaced if necessary.

At AutohausAZ, we understand the importance of finding the right Scion spark plugs for your vehicle. Our expansive selection of spark plugs ensures that we have the perfect fit for your vehicle. With our user-friendly website, we make it easy to find the correct spark plugs for your Scion. We also offer competitive prices on all of our spark plugs, so you can be sure you're getting the best deal. Plus, with our knowledgeable customer service team, you can rest assured that you'll get the help you need to make the right choice. Shopping with AutohausAZ for your Scion spark plugs is an easy and affordable way to keep your vehicle running smoothly.

Auto Parts We Offer for Scion