How much does alternator replace (small / medium car, petrol) cost in New Zealand?

Typically NZ$510–NZ$1,020 including GST at a NZ$120 an hour workshop rate (A$480–A$1,000 in Australia at A$140 an hour).

Alternator replace (small / medium car, petrol): how much does it cost?

Typically NZ$510–NZ$1,020 in New Zealand and A$480–A$1,000 in Australia, including GST. Cars.

	Parts (trade)	Labour	Sublet	Total incl GST
New Zealand	NZ$260–NZ$520	1–2 h	—	NZ$510–NZ$1,020
Australia	A$240–A$500	1–2 h	—	A$480–A$1,000

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

New aftermarket or reman unit with exchange core. Easy-access Japanese petrol engines sit at 1 h; transverse V6 or units under the intake take longer.

Other electrical repairs

12 V battery replace, standard flooded (small / medium car)NZ$190–NZ$330
12 V battery replace, standard flooded (SUV / ute / 4WD)NZ$290–NZ$500
12 V battery replace, EFB / AGM start-stop (Japanese / Korean)NZ$340–NZ$710
12 V AGM battery replace with battery registration / coding (European)NZ$440–NZ$830
Alternator replace (SUV / ute / diesel)NZ$750–NZ$1,560
Alternator replace (European, smart charging)NZ$930–NZ$2,130
Starter motor replace (small / medium car)NZ$500–NZ$970
Starter motor replace (SUV / ute / European)NZ$780–NZ$1,850
A/C evacuate, vacuum test and regas (R134a, older cars)NZ$150–NZ$290
A/C evacuate, vacuum test and regas (R1234yf, newer cars)NZ$300–NZ$630

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.