INFINITI Q50 Spark plug replacement Cost
2016–2018 · Engine, Fuel & Emissions system
Typical range
$100–$401
Parts + labour
Labour hours
0.5–1.5h
At a typical garage
Spark plugs ignite the air–fuel mixture; worn plugs cause misfires, rough idle, poor fuel economy and difficulty starting. Most modern engines use iridium or platinum plugs with 60,000–100,000-mile intervals. INFINITI Q50 spark plug replacement costs $100–$401.
Typical parts included
- Spark plug
- Spark plug
What affects the price
- Copper vs iridium vs platinum plugs (iridium lasts longest)
- Number of cylinders
- Accessibility—some engines require intake manifold removal, adding significant labour
Common questions
How long does this repair take?
Spark plug replacement on a INFINITI Q50 typically takes 0.5–1.5 hours at a garage.
How often does this need to be done?
For a INFINITI Q50, this is typically needed every 30,000 miles for copper plugs; every 60,000–100,000 miles for iridium or platinum plugs.
Other engine, fuel & emissions system repairs on the INFINITI Q50
- ABS hydraulic unit replacement$383–$701
- ABS sensor replacement$158–$289
- ABS system bleeding$126–$231
- AC compressor clutch replacement$315–$578
- AC compressor replacement$338–$619
Spark plug replacement cost on similar cars
- VOLKSWAGEN Passat$90–$165
- OPEL Insignia$90–$165
- AUDI A4 Avant$90–$165
- FORD Mondeo Hatchback$90–$165
- RENAULT Laguna$90–$165
Get the exact price for your INFINITI Q50
Prices vary by year, engine and location. Tell us about your specific car.
Get my price estimate →