Engine Coolant Thermostat Durable Metal Housing Premium Grade for SEAT Altea 1.4T

SEAT Altea 1.4T Engine Coolant Thermostat with a durable metal housing is designed to keep your engine operating at its best. This thermostat regulates the flow of coolant to the engine, helping the powertrain reach its optimal operating temperature quickly and maintain stable temperatures for improved performance and fuel efficiency. Built to withstand the demands of daily driving, it combines robust materials with reliable engineering for long-term reliability in your SEAT or Skoda vehicle.

Compatibility is built in. This unit fits key 1.4 TSI models from SEAT and SKODA, including SEAT Altea, Leon, and Toledo, as well as SKODA Octavia, Rapid, Superb, and Yeti. OEM numbers associated with this thermostat are 03C121111AM, 03C121026AR, and 03C121111M, ensuring a precise fit in the engine cooling system. The thermostat opens at 83–87°C, providing steady warm-up and effective temperature management under varying driving conditions. Special features highlight engine coolant temperature control, with notes indicating two thermostats and a sensor in the listing, underscoring its focus on precise thermal management.

All electronic and mechanical equipment sold by InterCyprus to EU countries is CE certified and carries a two year warranty.

At intercyprus.com since 2002 — trusted for quality and reliability.

Benefits & Tips

• Restore reliable warm-up and steady engine temperatures after thermostat wear or cooling-system issues, reducing unnecessary cold-start stress and helping maintain optimal emissions and performance.
• Use as a precise replacement in compatible SEAT and SKODA 1.4 TSI engines to maintain consistent coolant flow, helping prevent overheating during city traffic or climbing hills.
• Tip: To ensure correct fitment, verify the OEM numbers (03C121111AM, 03C121026AR, 03C121111M) and use the VIN to confirm compatibility with your exact model before installation.

Product specifications

• Brand Name: MAX NOLOGY
• Country/Region of Manufacture: PRC
• Housing Type: With Housing
• Interchange Part Number: 03C121111AM, 03C121111M
• OEM NO.: 03C121111AM, 03C121026AR, 03C121111M
• Material: Metal, Plastic
• Opening Temperature: 83 °C - 87 °C
• Number of Pins: 2-pin connector
• Item Dimensions (L x W x H): 28 cm x 15 cm x 12 cm
• Item Weight: 0.7 kg
• Origin: Mainland China
• Vehicle Fitment: For SEAT Altea, Leon, Toledo; SKODA Octavia, Rapid, Superb, Yeti
• Special Features: Engine Coolant Temperature Control; with 2 pcs of thermostat, with sensor
• Warranty: 3 Years or 50,000 Kilometers

Package includes:

• 1 Piece of Thermostat

Warnings / Reminders

• If you are unsure about the correct part for your car, please contact us for assistance. To ensure a fast and accurate response, send the VIN number of your vehicle to confirm parts fitment (the VIN is 17 characters long and can be found on the windshield or vehicle registration).
• Warranty policy: 3-year warranty from parcel delivery date or 50,000 km, whichever comes first. For quality issues, provide fault codes, photos, or videos. For items damaged on arrival, request an exchange or refund with photos showing the damaged item and waybill.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Providing quality and trusted service since 2002 at intercyprus.com.