DAYCO DT1111H Thermostat

Compatible with SMART CITY-COUPE (450) , SMART CABRIO (450) , SMART CROSSBLADE (450) Show more info
Ensure optimal engine temperature with the DAYCO DT1111H thermostat. Designed for reliable cooling system performance.
42.34 EUR
inc. VAT 21%
In stock 1
Delivery 1 day (03.04.2026)
PN DT1111H
Make DAYCO
EAN 8021787210774

The DAYCO DT1111H thermostat is engineered to maintain your engine's ideal operating temperature. By precisely regulating the flow of coolant, it prevents overheating and ensures efficient engine function. This thermostat is a crucial component of your vehicle's cooling system. It opens and closes at specific temperatures to control how much coolant circulates through the radiator, helping to dissipate heat. Proper functioning of the thermostat is vital for fuel economy and reducing emissions. A faulty thermostat can lead to engine damage, so replacing it with a quality part like the DAYCO DT1111H is a wise choice for maintaining your vehicle's health.

  • Maintains optimal engine operating temperature
  • Regulates coolant flow for efficient cooling
  • Prevents engine overheating
  • Contributes to fuel efficiency
  • Helps reduce emissions
  • Durable construction for long service life
  • Direct fit for specified applications
  • Part code: DT1111H
Opening temperature
90°
  • SMART
    • CITY-COUPE (450)
      • 0.6 (S1CLB1, 450.331, 450.336) (33kW/45PS)
      • 0.6 (S1CLA1, 450.341) (40kW/55PS)
      • 0.6 (450.352, 450.353) (45kW/61PS)
      • 0.7 (450.330) (37kW/50PS)
      • 0.7 (450.352, 450.353) (45kW/61PS)
      • 0.7 (450.333) (55kW/75PS)
      • 0.6 (450.330, 450.332) (52kW/71PS)
    • CABRIO (450)
      • 0.6 (S1OLA1, 450.441, 450.442, 450.443) (40kW/55PS)
      • 0.6 (S1OLD2, 450.452) (45kW/61PS)
      • 0.7 (450.452, 450.432) (45kW/61PS)
      • 0.7 (450.433) (55kW/75PS)
      • 0.6 (450.432) (52kW/71PS)
    • CROSSBLADE (450)
      • 0.6 (450.418) (52kW/71PS)
    • ROADSTER (452)
      • 0.7 (452.434) (60kW/82PS)
      • 0.7 (452.432) (45kW/61PS)
      • 0.7 Brabus (452.437) (74kW/101PS)
    • ROADSTER Coupe (452)
      • 0.7 (452.334) (60kW/82PS)
      • 0.7 Brabus (452.337) (74kW/101PS)
      • 0.7 (452.332) (45kW/61PS)
    • FORTWO Coupe (450)
      • 0.7 (450.330) (37kW/50PS)
      • 0.7 (450.352, 450.332) (45kW/61PS)
      • 0.7 (450.333) (55kW/75PS)
      • 0.6 (450.332) (45kW/61PS)
      • 0.7 (450.335) (40kW/54PS)
    • FORTWO Cabrio (450)
      • 0.7 (450.452) (45kW/61PS)
      • 0.7 (450.433) (55kW/75PS)
      • 0.6 (45kW/61PS)
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