United States
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Number 3 marks the part’s position in this exploded view (Volkswagen Jetta (2014-2017)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Pulley, part number 03C121031B. This pulley is a component of the engine cooling system, likely driving the water pump or acting as an idler pulley. It is located in the engine bay, mounted on a shaft and driven by the serpentine belt. Constructed with a durable bearing for smooth rotation. Genuine OEM pulleys are manufactured to exact specifications for proper belt tension and bearing longevity, ensuring efficient engine cooling.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 84835020
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 12.5 × 12.5 × 3.1 cm
- Shipping weight
- 0.51 kg
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
