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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Volkswagen Thermostat Housing, part number 03C121121C. This component is crucial for the engine cooling system, as it encloses and protects the engine's thermostat, regulating coolant flow. It is typically located on the engine block or cylinder head, connecting to coolant hoses. Made from durable plastic, it weighs 0.056 kg and measures approximately 0.103m in length. Choosing genuine OEM ensures the housing maintains proper sealing and withstands engine temperatures and pressures for reliable cooling system operation.

Catalogue entry: COVER.

Fitted with: 03C121119C SEAL. RING, N10611201 SCREW, 03C121110A COOLANT RG.

Technical details

Category
Engine Cooling
Country of origin
Czech Republic
Customs (HS) code
90321080
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
10.3 × 9 × 5.3 cm
Shipping weight
0.06 kg

Specifications

As recorded in the manufacturer’s parts catalogue for this part number.

Equipment codes

  • T70

PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist