Ignition Cable (Spark plug wires) Replacement Estimate for GMC Sierra 2500

GMC Sierra 2500 Ignition Cable (Spark plug wires) Replacement costs $172 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$171 to $185
Labor: $98 -$112
Parts: $73
Average Dealer price
$277
Average Shop price
$208
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CarServiceYourMechanic PriceShop/Dealer Price
2004 GMC Sierra 2500V8-6.0LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$177.13Shop/Dealer Price$217.24 - $291.83
Show example GMC Sierra 2500 Ignition Cable (Spark plug wires) Replacement prices

Parts required for a GMC Sierra 2500 Ignition Cable (Spark plug wires) Replacement

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All about Ignition Cable (Spark plug wires) Replacement

The ignition cables, also known as “spark plug wires” are part of the ignition system. They transfer the spark from the distributor or ignition coil to spark plugs that ignite the air-fuel mixture, starting the engine. Over time, the cables can get weak and break down. This will make it harder for the spark to reach the engine cylinders, resulting in engine misfires. The car may not start at all. If one of the spark plugs has gone bad, the car will still start and run, but it will run poorly.

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