How much does catalytic converter replace, genuine cost in New Zealand?

Typically NZ$1,640–NZ$5,160 including GST at a NZ$120 an hour workshop rate (A$1,470–A$4,590 in Australia at A$140 an hour).

Catalytic converter replace, genuine: how much does it cost?

Typically NZ$1,640–NZ$5,160 in New Zealand and A$1,470–A$4,590 in Australia, including GST. Most cars.

	Parts (trade)	Labour	Sublet	Total incl GST
New Zealand	NZ$1,000–NZ$3,300	1.5–3 h	—	NZ$1,640–NZ$5,160
Australia	A$900–A$3,000	1.5–3 h	—	A$1,470–A$4,590

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

Genuine / OEM cat (often manifold-integrated) at trade. AU guides put OEM parts at about A$800-2,500+ incl GST; Euro and 4WD at the top. Add O2 sensors and gaskets if seized.

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 (small / medium car, petrol)NZ$510–NZ$1,020
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

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.