The Double Action formula of Castrol GTX motor oil cleans away old sludge*, while protecting against new sludge formation, better than tough industry standards.
Find out what Castrol oil is right for your car. Visit: www.checkyouroil.co.nz or text your licence plate to 3637 to receive a recommendation*.
Standard text costs apply. Recommendations are for passenger cars only. *Not all vehicles will have a recommendation, please phone Castrol Technical Helpline on 0800 10 40 60 for any queries (Mon-Fri 8.30am-5.00pm)
Features & Benefits
- API SL/CF
- Provides protection against sludge build-up.
- Protection against viscosity and thermal breakdown.
- Keeps engines cool and clean.
- Contains anti-wear additives that extend the life of your engine.
- Recommended for engines made prior to 1990.
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