A spark plug wire replacement costs $93 to $649 in 2026
A spark plug wire replacement costs $93 to $649 in 2026 for common cars, per RepairPal. Its national average is $246 to $335. Labor is about $93 to $136 and parts are about $153 to $199. Jerry puts the total with a mechanic at $190 to $235, with parts at $123 to $151 and labor at $67 to $84. YourMechanic lists totals of $195 to $358 on sample cars, such as $195 for a 2009 Buick Allure ($49 parts, $146 labor).
Spark plug wire replacement cost by car
RepairPal lists these ranges for the most common cars. Your year and engine move the price inside each range.
| Car | Price, parts and labor |
|---|---|
| Chevrolet Silverado 1500 | $535 to $649 |
| Toyota Camry | $184 to $282 |
| Honda Accord | $142 to $277 |
| Ford F-150 | $189 to $257 |
| Honda Civic | $137 to $240 |
| Toyota Corolla | $146 to $234 |
| Nissan Altima | $121 to $142 |
| Honda CR-V | $93 to $110 |
How common cars compare
Against the middle of the RepairPal national average, $290, the Chevrolet Silverado 1500 runs about 104 percent more; the Toyota Camry runs about 20 percent less; the Honda Accord runs about 28 percent less; the Ford F-150 runs about 23 percent less; the Honda Civic runs about 35 percent less; the Toyota Corolla runs about 35 percent less; the Nissan Altima runs about 55 percent less; the Honda CR-V runs about 65 percent less. The gap comes from where the part sits, how long it takes to reach, and the price of the part for that car.
What price guides say
We checked 3 price guides. They do not all measure the same thing, so read each line for what it counts.
| Source | What it found |
|---|---|
| RepairPal | National average $246 to $335. Labor is about $93 to $136 and parts are about $153 to $199. |
| Jerry | Jerry puts the total with a mechanic at $190 to $235, with parts at $123 to $151 and labor at $67 to $84. |
| YourMechanic | YourMechanic lists totals of $195 to $358 on sample cars, such as $195 for a 2009 Buick Allure ($49 parts, $146 labor). |
What pushes the quote up
| What | Why it matters |
|---|---|
| Wire set quality | Cheap sets cost less up front. Better sets with good boots and shielding often last longer. |
| Engine layout | On a V6 or V8, some wires sit under the intake or behind other parts. That adds labor time. |
| Number of cylinders | A 4 cylinder needs 4 wires. A V8 needs 8, so the parts cost goes up. |
| Coil design | Many new cars use coil on plug and have no wires at all. Older cars with a distributor use full wire sets. |
| Plugs done at the same time | Shops often change the plugs with the wires. This saves labor but makes the bill bigger. |
How to tell you need it
- The engine misfires, shakes at idle, or feels weak when you speed up.
- A shop can see cracks, burn marks, or white spark marks on the wires. They can also test wire resistance with a meter.
- You may see sparks at night under the hood, or smell a hot, burnt odor.
What the price includes
The price covers a new set of wires and the labor to swap them. Plugs and coils are often extra. It does not include tax, shop supply fees, or other repairs the shop finds while the car is in.
How to judge your quote
- Ask if the quote is for a full wire set or just one wire.
- Ask if the price includes new spark plugs, and if the plugs are worn.
- Ask what brand of wires they use and if there is a warranty.
- Ask how they know the wires are bad, such as a resistance test or a visible crack.
- Compare the total with the range above: $93 to $649 for most cars.
Ways to pay less
- Ask for a quality aftermarket wire set instead of the dealer part.
- Have the plugs and wires done in one visit so you pay for labor once.
- Get 2 or 3 quotes from independent shops.
- Change wires on time. A bad wire can hurt the coils and plugs, which costs more.
Dealer or independent shop
RepairPal puts labor for a spark plug wire replacement at $93 to $136. At the typical independent shop rate of about $140 an hour, that is under 1 hour of work. A dealer charging $200 an hour would bill about $164 for the same labor, and a $100 an hour shop about $82. Parts cost about the same anywhere, so the shop rate is where you can save. See what mechanics charge an hour.
Why this costs more in 2026
Shop labor now runs about $100 to $250 an hour. Many car parts are imported, and freight costs went up after the oil shock that began with the Iran war in February 2026. Steel, copper, aluminum and resin prices are up too, and they go into almost every part. Wire sets use copper or carbon cores, silicone boots, and rubber. Those parts cost more to make now.
How we got these numbers
The national range, the labor and parts split and the prices by car come from RepairPal's spark plug wire replacement estimate, last updated September 3, 2026. We checked them against Jerry and YourMechanic, and read every number on the source page on October 7, 2026. These are planning ranges, not quotes. Your shop's written estimate is the real price.
Common questions
How much does spark plug wire replacement cost?
RepairPal puts it at $246 to $335 nationally. Jerry says $190 to $235. Your car and shop change the number.
Can I drive with bad spark plug wires?
You can for a short time, but it is not wise. Misfires waste fuel and can harm the catalytic converter.
How long does it take?
Many shops finish in about one to two hours. Cars with hard to reach wires take longer.
Can I do it myself?
Often yes on simple engines. Change one wire at a time so you keep the right order. If the wires are hard to reach, use a shop.