Head gasket replacement (4-cylinder): how much does it cost?
Typically NZ$1,830–NZ$4,090 in New Zealand and A$1,770–A$4,010 in Australia, including GST. Most cars.
| Parts (trade) | Labour | Sublet | Total incl GST | |
|---|---|---|---|---|
| New Zealand | NZ$350–NZ$900 | 7–14 h | NZ$250–NZ$600 | NZ$1,830–NZ$4,090 |
| Australia | A$300–A$800 | 7–14 h | A$200–A$550 | A$1,770–A$4,010 |
What affects the price
Parts = gasket set, head bolts, coolant, oil, thermostat; sublet = head skim/pressure test at a machine shop. Range driven by DOHC/turbo access and whether a timing belt or chain comes off. Cracked head adds a recon head.
Other engine cooling repairs
- Head gasket replacement (V6 / flat-4 / twin-head engine)NZ$3,860–NZ$7,330
- Head gasket replacement (diesel ute, 4-cylinder)NZ$3,300–NZ$6,340
- Water pump replacement (belt-driven, not behind timing cover)NZ$340–NZ$770
- Water pump with timing belt kit (timing-belt-driven pump)NZ$770–NZ$1,970
- Water pump inside timing cover (chain engine)NZ$980–NZ$2,100
- Radiator replacement (Japanese car / small SUV)NZ$470–NZ$960
- Radiator replacement (ute / 4WD / European)NZ$780–NZ$1,850
- Thermostat and housing replacementNZ$200–NZ$780
- Radiator cooling fan motor or fan assemblyNZ$350–NZ$1,280
- Timing chain, tensioner and guides (4-cylinder)NZ$1,120–NZ$2,530
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.