Repair cost guidesAUSTRALIAN REPAIR COST GUIDE

Diesel Injector Replacement Cost in Australia

Diesel injectors are expensive and should be tested before replacement. The quote can differ greatly depending on whether one injector or a full matched set is required.

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Pricing data checked 28 August 2026. Guide reviewed 1 September 2026. How estimates work.

Vehicle-profile example

Diesel Injector Replacement

2017 Toyota Hilux · Australia

$1,686–$7,501

Parts$1,148–$5,739

Labour4.704000000000001–9.408000000000001 hours

Example only. Choose your own vehicle profile for an adjusted range.

Signs to investigate

Hard starting or uneven idle
Knocking, misfire or excessive smoke
Poor fuel economy or loss of power
Injector correction or leak-back test outside specification

What changes the price?

One injector or a complete set
New, genuine or remanufactured units
Removal difficulty and seized injector work
Coding, seals, pipes and diagnostic testing

Questions to ask the workshop

What test results show which injectors have failed?
Is the quote for one injector or a complete set?
Are the units new or remanufactured?
Are coding, seals, pipes and a post-repair test included?

COMMON QUESTIONS

Understand the quote before agreeing

How much does diesel injector replacement cost in Australia?

For the 2017 Toyota Hilux example shown, ShiftyMechanics estimates $1,686–$7,501. Exact parts and the workshop's actual labour rate can change the result.

Does the estimate include parts and labour?

Yes. ShiftyMechanics shows the parts range, labour hours, Australian independent-workshop hourly-rate range and estimated total separately.

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