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Genuine GM Spark Plugs

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19536448 - : Spark Plug for GM Image

Spark Plug

$1.96
MSRP $3.20
Save $1.24
38.8% Off
19355207 - : Spark Plug for GM Image

Spark Plug

$2.56
MSRP $4.18
Save $1.62
38.8% Off
19354428 - : Spark Plug for GM Image

Spark Plug

$2.67
MSRP $4.36
Save $1.69
38.8% Off
12571535 - : Spark Plug for GM Image

Spark Plug

Platinum. 4.4 & 4.6L, 4.6L.
$6.53
MSRP $10.66
Save $4.13
38.7% Off
12674112 - : Spark Plug for GM Image

Spark Plug

1.4L, acdelco # 1267411.
$9.56
MSRP $15.60
Save $6.04
38.7% Off
SP423X - : Spark Plug  for Motorcraft Image

Spark Plug

Motorcraft SP-423-X
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Not For Sale
SP550X - : Spark Plug  for Motorcraft Image

Spark Plug

Motorcraft SP-550-X
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Not For Sale
SP442X - : Spark Plug  for Motorcraft Image

Spark Plug

Motorcraft SP-442-X
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Not For Sale
SP444A - : Spark Plug  for Motorcraft Image

Spark Plug

Motorcraft SP-444-A
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Not For Sale
SP506X - : Spark Plug  for Motorcraft Image

Spark Plug

Motorcraft SP-506-X
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Not For Sale
SP501X - : Spark Plug  for Motorcraft Image

Spark Plug

Motorcraft SP-501-X
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Not For Sale
19542398 - : Spark Plug for GM Image

Spark Plug

$1.98
MSRP $3.24
Save $1.26
38.9% Off

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What Causes Spark Plugs to Wear Out?

Spark plugs wear out over time due to various factors. Repeated sparking and exposure to combustion byproducts cause natural wear, leading to electrode and insulator deterioration. Carbon deposits from combustion can accumulate on the spark plug electrodes, reducing their effectiveness. Overheating, incorrect gaps, fuel additives and contaminants, and long service intervals can also contribute to spark plug wear. To prevent premature wear, regular inspections, proper maintenance, and using the correct spark plugs are crucial. If you notice poor engine performance, replacing the spark plugs may be necessary.

Other Interior Parts

  1. Starters

    The starter plays a crucial role in initiating the engine's ignition process. When the ignition key is turned, starters quickly engage, cranking the engine into life by meshing with the flywheel.

  2. Alternators

    Alternators convert mechanical energy into electrical power. They are mounted within the engine, and they produce a steady stream of electricity to recharge the battery and power various vehicle systems.

Get Factory GM Spark Plugs at Gateway Parts Online

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