Repair Cost Guide

Spark plugs replacement cost
for a Ford Focus

Replacing the spark plugs on a Ford Focus involves removing the ignition coils to access and unscrew the old plugs, then installing new ones with the correct gap and torque. The cost is primarily driven by the number of cylinders (typically 4) and whether the engine bay layout is straightforward or requires more disassembly. The price of the plugs themselves, which can be standard copper or more expensive platinum/iridium types, also significantly affects the total.

$180 – $280
Typical fair price range · USD

Cost breakdown

Parts: ~$40-$100 / Labour: ~$140-$180

What affects the price

Engine type (e.g., 2.0L Duratec vs. 1.0L EcoBoost, which may have a more complex layout)
Spark plug material (standard copper vs. long-life platinum or iridium)
Workshop location and labour rates (dealership vs. independent mechanic)

Can you do it yourself?

Yes (brief how) — For most standard Focus models, this is a straightforward job requiring basic socket and extension tools to remove the ignition coils and plugs. Care must be taken not to cross-thread the new plugs.

Tips before you pay

Ensure the engine is completely cool before starting to prevent damage to the cylinder head threads.
Use a torque wrench to install the new plugs to the manufacturer's specification (typically 10-15 ft-lbs) to avoid under- or over-tightening.
Replace the ignition coil boots if they are cracked or brittle to prevent future misfires, as they are often inexpensive.

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More cost guides

Brake pads replacement — Ford Focus Alternator replacement — Ford Focus Timing belt replacement — Ford Focus

Estimate based on typical U.S. market rates as of July 2026. Actual prices vary by region, shop, and parts quality — always compare against a real quote using our Scam Checker.