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Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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China 83°C Opening Temperature Thermostat Housing with Integrated Design and OE
China 83°C Opening Temperature Thermostat Housing with Integrated Design and OE

  1. China 83°C Opening Temperature Thermostat Housing with Integrated Design and OE
  2. China 83°C Opening Temperature Thermostat Housing with Integrated Design and OE
  3. China 83°C Opening Temperature Thermostat Housing with Integrated Design and OE

83°C Opening Temperature Thermostat Housing with Integrated Design and OE

  1. MOQ: 5 pcs
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T,Western Union
Supply Ability 10000 pcs/month
Delivery Time 5-8 Work Days
Packaging Details Neutral Package or as customers’ request
Opening Temperature 83°C
Part Number 03C121111AK, 03C 121 111 AK
Material High-strength aluminum alloy & precision bearings
Gasket Size 52.5×4.5 mm
Coolant Type G12++, G13
Thermostat Type Wax-filled copper capsule
Housing Material Engineered plastic / composite
Service Life 100,000 km+
Brand Name YIMI
Model Number VW Audi Seat Skoda 1.4 TSI EA111
Certification ISO/TS16949
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,Western Union Supply Ability 10000 pcs/month
Delivery Time 5-8 Work Days Packaging Details Neutral Package or as customers’ request
Opening Temperature 83°C Part Number 03C121111AK, 03C 121 111 AK
Material High-strength aluminum alloy & precision bearings Gasket Size 52.5×4.5 mm
Coolant Type G12++, G13 Thermostat Type Wax-filled copper capsule
Housing Material Engineered plastic / composite Service Life 100,000 km+
Brand Name YIMI Model Number VW Audi Seat Skoda 1.4 TSI EA111
Certification ISO/TS16949 Place of Origin China
High Light 83°C thermostat housing for VW EA111 enginesOE quality thermostat housing for Audi EA111integrated thermostat housing for Skoda EA111
03C121111AK Thermostat Housing For VW Audi Seat Skoda 1.4 TSI EA111 83°C
Product Overview

A complete coolant regulation assembly that integrates the thermostat, housing, and outlet flange. Controls engine temperature by opening at 83°C to allow coolant flow to the radiator, preventing overheating. Ensures fast engine warm-up and consistent heater output for VAG 1.4 TSI EA111 engines.

Detailed Description

The Thermostat, Housing & Coolant Flange Assembly (OEM: 03C121111AK / 03C 121 111 AK) is a premium-quality, integrated coolant control unit designed specifically for Volkswagen Group vehicles with EA111 1.4 TSI / 1.6 MPI / 1.4 MPI petrol engines. This complete assembly combines the thermostat, housing, and coolant outlet flange into one ready-to-install unit.

The integrated wax-type thermostat is calibrated to begin opening at 83°C, reaching full open at approximately 95–100°C. This ensures rapid engine warm-up when cold and proper cooling when at operating temperature.

Common Failure Symptoms:
• Thermostat stuck open – engine runs cold, poor fuel economy, lukewarm heater
• Thermostat stuck closed – rapid overheating, risk of engine damage
• Cracked housing – external coolant leaks, low coolant levels
Technical Specifications
Part Number 03C121111AK
Product Name Thermostat Housing
Car Model VW Audi Seat Skoda 1.4 TSI
Engine Model EA111
Opening Temperature 83°C
Condition 100% Brand New
Quality Standard OEM equivalent / ISO quality control
Product Image
03C121111AK Thermostat Housing Assembly for VW Audi vehicles
Key Features & Advantages
  • OE Quality: Manufactured to strict VAG OEM dimensional and material standards
  • Integrated Design: Complete all-in-one unit combining thermostat, housing, and coolant outlet flange
  • Precision Wax Element: Consistent, repeatable opening characteristics with corrosion resistance
  • 83°C Opening Temperature: Factory-spec calibration for optimal engine performance
  • Critical Engine Protector: Prevents overheating and catastrophic engine damage
  • Crack-Resistant Housing: High-quality engineered plastic resistant to warping and corrosion
  • Restores Fuel Economy: Correct warm-up performance saves up to 15% in fuel consumption
  • Ensures Cab Heating: Restores full heat output for driver comfort and safety
Quality Control
  • Material Verification: Housing material tested to meet VW specifications
  • Dimensional Accuracy: Verified against OE blueprints using CMM equipment
  • Temperature Calibration: 100% sample-tested to open at 83°C ±2°C
  • Leak Testing: Each unit 100% pressure-tested for zero leakage
  • Thermal Cycle Endurance: Sample units tested through 50,000+ cycles
  • IATF 16949 / ISO 9001:2015 Certified: International automotive quality standards
Packaging & Supply
  • Individual Packaging: Moisture-barrier VCI bag with OE-style labeling
  • Gasket/Seal: O-ring (03C121119F) sold separately
  • Hardware: Mounting bolts not included (reuse originals if in good condition)
  • Bulk Orders: Available in case packs (10, 20, 50 units)
  • Customization: Private-label packaging for volume orders
  • Fast Shipping: Worldwide dispatch via express courier or sea freight
Inquiries & Bulk Orders

For pricing, availability, or bulk purchase of the Thermostat/Housing Assembly 03C121111AK for VW Golf, Passat, Tiguan, Audi A1, A3, SEAT Ibiza, Leon, Škoda Octavia, Yeti, and other VAG group vehicles with EA111 engines, please contact our sales team for competitive wholesale quotes and expert technical support.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Yimi(Guangzhou) Automotive Parts Co,Ltd located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...

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Get in touch with us

  • Reach Us
  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • 4F, 7th, No. 2, South Jinguu Road, Huadong Town, Huadu District, Guangzhou City
  • https://www.isuzucarsparts.com/

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