Your Selected Vehicle
Parts for your 2021 Lexus Is
Castrol EDGE Synthetic 5W-30 Engine Oil 5L - 3421196
Castrol EDGE A3/B4 5W-40 Engine Oil 5L - 3421235
Castrol EDGE C5 0W-20 Engine Oil 5L - 3435256
Explore 4WD & Adventure
Castrol Magnatec A5 5W-30 Engine Oil 10L - 3437808
Castrol Magnatec DX 5W-30 Engine Oil 5L - 3432803
Castrol EDGE LL 5W-30 Engine Oil 20L - 3431129
Castrol EDGE C2 0W-30 Engine Oil 5L - 3436896
Castrol EDGE Synthetic A3/B4 5W-30 Engine Oil 1L - 3421197
Castrol EDGE Synthetic 25W-50 Engine Oil 5L - 3383419
Castrol Magnatec Diesel DX 5W-40 Engine Oil 10L - 3422230
Nulon Apex+ Multi-23 Diesel 5W-30 Engine Oil 10L - APX5W30C23-10
Valvoline SynPower 0W-20 Engine Oil 6L - 1333.06
Castrol GTX Diesel 15W-40 Engine Oil 10L - 3437068
Castrol Magnatec SUV C2/C3 5W-30 Engine Oil 5L - 3420556
Castrol EDGE M 5W-40 Engine Oil 20L - 3426982
Castrol EDGE Synthetic A3/B4 0W-40 Engine Oil 5L - 3383431
Castrol Magnatec SUV C2/C3 5W-30 Engine Oil 20L - 3433217
Castrol Magnatec DX 5W-30 Engine Oil 1L - 3432802
Castrol EDGE A3/B4 5W-40 Engine Oil 1L - 3421234
Castrol Magnatec SUV C2/C3 5W-30 Engine Oil 7L - 3420388
Valvoline Synpower FE 5W-30 Engine Oil 10L - 1298.10
Castrol Magnatec 0W-20 Engine Oil 5L - 3432912
Castrol Vecton Diesel 15W-40 Engine Oil 20L - 3419919
2021 Lexus IS: smart fitment and easy care for your part
Built for drivers who love a sharp steer and a quiet cabin, the 2021 Lexus IS blends sporting intent with everyday comfort. This part is tailored to suit the IS platform, aligning with OEM dimensions and clearances so it fits neatly under the bonnet and plays nicely with factory systems. It’s designed for Aussie and Kiwi conditions too, from hot summers to cool, wet commutes.
Compatible across popular 2021 variants—including IS300, IS300h and IS350, with F Sport grades—this component is specced to meet the demands of the updated chassis and safety tech of the facelift model. Whether your IS is rear-drive or all-wheel drive (market-dependent), the goal here is straightforward fitment and consistent performance without fuss.
High-level care is simple: stick to Lexus’ regular servicing cadence and keep consumables fresh. Petrol models generally run low-viscosity synthetic oil, while IS300h adds hybrid system checks. Keep an eye on brake fluid (typically every two years), coolant condition, and tyre wear and pressures. If the part is electronic, ensure software is current, if it’s mechanical, verify fasteners and bushings remain snug after initial bedding-in.
Daily use tips? Clean road grime to protect finishes, inspect after rough roads, and avoid harsh solvents. Quality installation plus routine checks will keep everything feeling factory-tight and blissfully quiet.
- Confirm compatibility by VIN or build month before ordering.
- After installation, re-check torque after 100–200 kilometres.
- Rotate tyres and maintain wheel alignment for even wear.
- Keep records of services and part fitment for warranty peace of mind.
- For hybrid models, follow safety guidance and let systems power down fully.
What are the recommended service intervals for a 2021 Lexus IS in Australia and New Zealand?
Lexus typically schedules servicing every 12 months or 15,000 kilometres, whichever comes first. If the car frequently handles short trips, dusty roads, or towing, consider shorter intervals. Always follow the service booklet for your specific variant and driving conditions.
Will this part fit both IS300 and IS350 (including F Sport) models from 2021?
It’s engineered for 2021 IS fitment across popular variants, including many IS300 and IS350 grades. Some components differ by engine, drivetrain, or brake package, and IS300h may have unique clearances. Check the part number against your VIN and build month to be sure.
Is there a hybrid version of the 2021 Lexus IS?
Yes—many AU/NZ line-ups include the IS300h, pairing a 2.5-litre petrol engine with an electric motor and e-CVT. It delivers refined performance and lower fuel use, with maintenance largely aligned to regular IS schedules plus hybrid system checks as specified by Lexus.