How much does rear diff oil change cost in New Zealand?

Typically NZ$100–NZ$230 including GST at a NZ$120 an hour workshop rate (A$100–A$220 in Australia at A$140 an hour).

Rear diff oil change: how much does it cost?

Typically NZ$100–NZ$230 in New Zealand and A$100–A$220 in Australia, including GST. SUVs, utes and 4WDs.

	Parts (trade)	Labour	Sublet	Total incl GST
New Zealand	NZ$30–NZ$80	0.4–0.8 h	—	NZ$100–NZ$230
Australia	A$25–A$70	0.4–0.8 h	—	A$100–A$220

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

1.5-3.5 L of 75W-90 or 80W-90 GL-5 (4 L from about A$39 for SCA semi-synthetic to A$97 for Penrite full synthetic at Supercheap), LSD oil where required, and a new drain/fill washer. A seized fill plug adds time.

Other service repairs

Basic service: engine oil and filter change (car)NZ$120–NZ$260
Basic service: engine oil and filter change (SUV / diesel ute / 4WD)NZ$190–NZ$370
Basic service: engine oil and filter change (European)NZ$220–NZ$420
Full / logbook service (car)NZ$310–NZ$590
Full / logbook service (SUV / diesel ute / 4WD)NZ$410–NZ$800
Full / logbook service (European)NZ$450–NZ$920
Timing belt kit with water pump (4-cyl petrol)NZ$630–NZ$1,200
Timing belt kit with water pump (V6 petrol)NZ$910–NZ$1,690
Timing belt kit with water pump (diesel ute / 4WD)NZ$890–NZ$1,720
Timing belt kit with water pump (European 4-cyl / diesel)NZ$920–NZ$1,770

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.