How many plugs are in RX330?
The RX330 uses six spark plugs.
The Lexus RX330, produced from 2004 to 2006, runs on a 3.3-liter V6 (the 1MZ-FE). This engine uses six spark plugs—three per cylinder bank. Replacement intervals and exact plug types depend on the model year and the specific plugs installed, so always refer to your owner's manual or a qualified technician for precise guidance.
Spark plug overview for the RX330
Before listing the key facts, note that the RX330's six spark plugs are arranged three per bank on its 3.3L V6, with some access complexities for the rear bank during service.
- Total plugs: 6 (three per bank on the 3.3L 1MZ-FE V6).
- Engine layout: V6 with two banks; plugs are arranged with three per bank and are typically accessed from the top, though rear-bank access can require additional disassembly during service.
- Replacement guidance: plug type and replacement interval depend on year and plug technology (e.g., platinum or iridium vs copper); consult the owner's manual or a Lexus technician for the exact specification and recommended maintenance schedule.
In short, the RX330 has six spark plugs, and the exact replacement interval and plug type should be confirmed from the owner's manual or a Lexus service professional, since ignition-system maintenance varies by year and plug technology.
Access considerations
In RX330 models, the rear bank of spark plugs can be harder to reach. Accessing them may require removing portions of the intake plenum or other components during service, which is a consideration for DIY repairs and for shop labor costs.
Summary
The RX330 uses six spark plugs—three on each bank of its 3.3L V6 (the 1MZ-FE). Exact replacement intervals and plug specifications vary by year and plug technology, so consult the owner's manual and work with a qualified technician to ensure correct maintenance.
