2026-09-15
Lexus RC 200t/300h/350 Thermostat Replacement Malaysia
Thermostat at 82°C. RC 200t turbo produces more heat — a stuck thermostat causes overheating faster than on NA models. Always combine with coolant flush for economy.

Lexus RC Thermostat
- RC 200t (8AR-FTS): thermostat integrated in coolant housing — turbo engine; proper thermostat function is important for turbo heat management
- RC driven hard: if RC is driven enthusiastically — thermostat sees more stress; inspect at 80,000 km rather than 100,000 km
- RC 300/350 thermostat (2GR-FKS): V6 thermostat — same principle; replace at 100,000 km or if temperature behaviour changes
- Thermostat + water pump + coolant: if RC needs one, consider doing all three — minimise future workshop visits
