Parts for your 2004 Lexus Is

2004 Lexus IS: Info and easy-care upkeep

The 2004 Lexus IS delivers that sweet spot between everyday comfort and lively, rear‑drive handling. Across Australia and New Zealand, it’s a favourite for drivers who want Toyota reliability with a premium feel. Sold mainly as the IS200 (2.0‑litre inline‑six) and, in some markets, the IS300 (3.0‑litre straight‑six), it pairs tidy steering with a well-built cabin. Whether it’s the school run or a winding coastal road, this compact sedan still feels modern, refined, and properly put together.

For owners chasing a replacement part or planning routine care, the key is sticking to quality, OEM‑spec consumables and following sensible service intervals. These cars respond well to preventative maintenance, and parts availability across ANZ remains solid through reputable suppliers and wreckers.

• Service schedule: oil and filter every 10,000–15,000 km or 6–12 months, depending on use, short trips, heat, or dusty roads call for the shorter end.
• Timing belt: IS200 and IS300 use a belt, budget replacement around 100,000–150,000 km or 7–10 years, including idlers, water pump, and seals.
• Fluids: use Toyota‑approved coolant, ATF, and brake fluid, replace coolant every 2–4 years and brake fluid every 2 years.
• Tyres and alignment: rotate regularly, keep pressures spot on, and align annually to protect tyre life and keep turn‑in crisp.
• Ignition and filters: iridium plugs typically last up to 100,000 km, refresh air and cabin filters as needed for clean breathing.

Match parts by VIN and build date, and torque to spec. In ANZ conditions, fresh belts, fluids, and coolant keep the IS feeling new.

What engines does the 2004 Lexus IS have in Australia and New Zealand?

In ANZ, the 2004 IS was sold primarily as the IS200 with a 2.0‑litre inline‑six and either manual or automatic. The IS300, with a 3.0‑litre straight‑six, appeared in some markets and via imports. Both focus on smooth delivery and long-term durability when serviced on time.

What are the recommended service intervals for a 2004 Lexus IS?

Plan engine oil and filter every 10,000–15,000 km or 6–12 months, leaning shorter for city, hot, or dusty use. The timing belt on IS200/IS300 is commonly replaced around 100,000–150,000 km or 7–10 years. Refresh coolant every 2–4 years and brake fluid every 2 years.

What common issues should owners watch for?

Age more than design is the usual culprit. Expect wear in suspension bushings and dampers, brake rotors and pads, and tyres if alignment is out. Keep an eye on cooling system components and accessory belts, and replace filters and spark plugs on schedule to keep it running sweetly.