Engine code
Vehicles using 3UZ-FE engine list:
Which cars use the 3UZ-FE engine and what oil to use. Common 3UZ-FE engine faults, symptoms, diagnosis, prevention and repair.
- LEXUS - LS 430 (207kW) 2000–2001
- LEXUS - SC 430 (210kW) 2001–2002
- LEXUS - GS 430 (208kW) 2001–2001
- LEXUS - GS 430 (208kW) 2002–2005
- LEXUS - LS 430 (207kW) 2002–2003
- LEXUS - LS 430 (207kW) 2003–2006
- LEXUS - SC 430 (210kW) 2003–2003
- LEXUS - SC 430 (210kW) 2004–2005
- LEXUS - GS 430 (208kW) 2005–2007
- LEXUS - SC 430 (210kW) 2005–2010
- LEXUS - GS 430 (208kW) 2007–2007
Recommended oil for engine 3UZ-FE engine.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol MAGNATEC 5W‑30 A3/B4 (Ref) | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A3/B4 | ✔ |
| API SL/CF | ✔ |
| MB‑Approval 226.5 / 229.3 / 229.5 | ✔ |
| Renault RN0700/0710 | ✔ |
| VW 502.00/505.00 | ✔ |
| Fiat 9.55535‑G1 | ✔ |
| Motul 8100 X‑CESS 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A3/B4 | ✔ |
| API SL | ✔ |
| MB‑Approval 226.5 / 229.3 / 229.5 | ❓ |
| Renault RN0700/0710 | ❓ |
| VW 502.00/505.00 | ❓ |
| Fiat 9.55535‑G1 | ❓ |
| Valvoline SynPower 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A3/B4 | ✔ |
| API SL/CF | ✔ |
| MB‑Approval 226.5 / 229.3 / 229.5 | ✔ |
| Renault RN0700/0710 | ✔ |
| VW 502.00/505.00 | ✔ |
| Fiat 9.55535‑G1 | ❌ |
| Everest EuroLine 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA A3/B4 | ✔ |
| API SL/CF | ❓ |
| MB‑Approval 226.5 / 229.3 / 229.5 | ✔ |
| Renault RN0700/0710 | ✔ |
| VW 502.00/505.00 | ✔ |
| Fiat 9.55535‑G1 | ✔ |
Oil specification key
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
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Answer generated by AI.
Oil specifications for 3UZ-FE engine
SAE 5W-30
API SL
API SM
API SN
ILSAC GF-4
ILSAC GF-5
Most common problems, symptoms & fixes for the 3UZ-FE engine.
Engine 3UZ-FE is known for reliability but can face issues like oil leaks from valve cover gaskets and timing belt wear. Diagnose leaks by inspecting gasket areas and check timing belt condition regularly, especially after 90,000 miles. Prevent problems with timely oil changes using high-quality synthetic oil and replace the timing belt and water pump as per manufacturer intervals to avoid failure. Some owners report VVT-i actuator noise; resolving this may require cleaning or replacing the actuator. Regularly monitor coolant levels and engine temperature to prevent overheating. Addressing these proactively ensures longevity and smooth performance in the Lexus models equipped with the 3UZ-FE engine.