Head gasket replacement (diesel ute, 4-cylinder): how much does it cost?
Typically NZ$3,300–NZ$6,340 in New Zealand and A$3,320–A$6,210 in Australia, including GST. SUVs, utes and 4WDs.
| Parts (trade) | Labour | Sublet | Total incl GST | |
|---|---|---|---|---|
| New Zealand | NZ$600–NZ$1,500 | 14–22 h | NZ$350–NZ$800 | NZ$3,300–NZ$6,340 |
| Australia | A$550–A$1,300 | 14–22 h | A$300–A$750 | A$3,320–A$6,210 |
What affects the price
Diesel gasket is a multi-layer, thickness-selected part; injectors, lines and turbo plumbing come off. Hilux/Surf 1KZ and 1KD often need a recon head (NZ$1,200-2,000) when cracked, which is extra to this range.
Other engine cooling repairs
- Head gasket replacement (4-cylinder)NZ$1,830–NZ$4,090
- Head gasket replacement (V6 / flat-4 / twin-head engine)NZ$3,860–NZ$7,330
- 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.