Water pump with timing belt kit (timing-belt-driven pump): how much does it cost?

Q: How much does water pump with timing belt kit (timing-belt-driven pump) cost in New Zealand?

Typically NZ$770–NZ$1,970 including GST at a NZ$120 an hour workshop rate (A$780–A$1,970 in Australia at A$140 an hour).

Typically NZ$770–NZ$1,970 in New Zealand and A$780–A$1,970 in Australia, including GST. Most cars.

	Parts (trade)	Labour	Sublet	Total incl GST
New Zealand	NZ$250–NZ$700	3–7 h	—	NZ$770–NZ$1,970
Australia	A$230–A$650	3–7 h	—	A$780–A$1,970

Totals use a standard workshop rate of NZ$120 or A$140 an hour and a 25% parts markup, plus GST. Your workshop's rate and parts prices will differ.

What affects the price

Pump driven by the timing belt, so belt, tensioner and idlers are renewed with it. V6 belt engines (Honda J-series, Mitsubishi 6G7) sit at the top of the hours 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
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 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.