Spark plugs, iridium / long-life (4-cyl): how much does it cost?
Typically NZ$180–NZ$380 in New Zealand and A$170–A$360 in Australia, including GST. Most cars.
| Parts (trade) | Labour | Sublet | Total incl GST | |
|---|---|---|---|---|
| New Zealand | NZ$80–NZ$170 | 0.5–1 h | — | NZ$180–NZ$380 |
| Australia | A$70–A$150 | 0.5–1 h | — | A$170–A$360 |
What affects the price
Four iridium plugs; aftermarket iridium retails about NZ$30 each and NGK Laser Iridium more. Coil-on-plug engines are quick, while engines with a cowl, intake or coil rail to remove sit at the top.
Other service repairs
- Basic service: engine oil and filter change (car)NZ$120–NZ$260
- Basic service: engine oil and filter change (SUV / diesel ute / 4WD)NZ$190–NZ$370
- Basic service: engine oil and filter change (European)NZ$220–NZ$420
- Full / logbook service (car)NZ$310–NZ$590
- Full / logbook service (SUV / diesel ute / 4WD)NZ$410–NZ$800
- Full / logbook service (European)NZ$450–NZ$920
- Timing belt kit with water pump (4-cyl petrol)NZ$630–NZ$1,200
- Timing belt kit with water pump (V6 petrol)NZ$910–NZ$1,690
- Timing belt kit with water pump (diesel ute / 4WD)NZ$890–NZ$1,720
- Timing belt kit with water pump (European 4-cyl / diesel)NZ$920–NZ$1,770
Researched by Credov in October 2026 from NZ and Australian parts suppliers and workshop price guides. Typical ranges, not quotes: ask a workshop for a quote before you rely on a price. All repair costs.