4H2820021B Blower Motor for AUDI A6 2010–2018
HVAC Component: HVAC Blower Motor
YoonShan Item No.: 6601121
Main OE Number: 4H2820021B
Related Part Numbers:
4H2820021
4H2820021C
Applicable Vehicle: AUDI A6 (2010-2018)
Configuration: Supplied in the photographed product configuration
Selection Features: OE-reference selection with vehicle-specific connector and mounting checks
Pre-Shipment Check: Motor operation, rotation, connector and visible mounting condition checked before shipment
MOQ: From 5 pieces
Packaging: Neutral or customized packaging available
Typical Delivery: 30–45 days, subject to quantity and destination
Fitment Check: Compare the OE number, connector, housing or fan wheel, dimensions and fixing points before ordering.
4H2820021B Blower Motor for AUDI A6 2010–2018
OE-Referenced Blower Motor
This product record connects OE reference 4H2820021B with the listed vehicle application AUDI A6 (2010-2018). In the vehicle climate system, the blower motor supplies the airflow requested through the fan-speed controls. YoonShan supplies this reference for aftermarket procurement, sample evaluation and volume purchasing discussions.
Product Data
- Part type: HVAC blower motor
- Product reference: 6601121
- Main OE: 4H2820021B
- Related references: 4H2820021, 4H2820021C
- Listed vehicle: AUDI A6 (2010-2018)
- Brand and model: AUDI / A6
- Configuration: Compare with the product photographs
- Source: YoonShan, China
OE and Vehicle Matching
An OE match is important, but connector and housing differences must also be reviewed. Confirm that AUDI A6 (2010-2018) uses the same electrical interface, housing shape, wheel layout and attachment points shown in the images. For uncertain applications, provide the removed-part photos and measurements before confirming quantity.
Product Condition Before Dispatch
The outgoing unit may be reviewed for operation, connector integrity and visible assembly condition. Technicians can confirm motor operation and inspect the wheel or body for visible defects before packing. Protective packing and labeling can be adjusted for samples, distributor orders or project quantities.
Product Technical Specifications
| Product type | HVAC Blower Motor |
|---|---|
| Primary OE reference | 4H2820021B |
| Cross-reference numbers | 4H2820021 4H2820021C |
| Internal item code | 6601121 |
| Vehicle brand | AUDI |
| Vehicle model | A6 |
| Model year | 2010–2002 |
| Installation position | Vehicle HVAC housing / cabin air-distribution system |
| Product function | Drives cabin airflow through the HVAC ducts when commanded by the vehicle controls |
Cabin Airflow Function
Cabin heating and air-conditioning performance depends on reliable movement of air through the HVAC ducts. When the original component deteriorates, the driver may notice reduced vent output, noise or inconsistent fan operation. Confirm voltage supply and control operation before concluding that the original blower motor requires replacement.
Information Buyers Should Provide
To discuss supply of 4H2820021B, send the quantity, destination and required delivery schedule. Add the vehicle model, production year, original-part photos and any alternative references used in your market. These details reduce avoidable sample errors and support a clearer commercial offer.
Installation Guidance
The replacement procedure should follow the vehicle service information. Before removal, switch off the vehicle and follow safe battery-disconnection procedures. Post-installation testing should cover electrical response, vibration, noise and air delivery.
International Order Support
Importers and regional distributors can request commercial support for 4H2820021B from YoonShan in China. Order quantity, production schedule and destination determine the confirmed delivery arrangement. Logistics selection should balance product volume, delivery target, destination charges and handling risk.
Buyer Questions
Is the OE number enough to order this blower motor?
Use 4H2820021B together with the original connector, housing, wheel, dimensions and mounting points. Vehicle name alone is not sufficient.
How can buyers reduce selection errors?
Compare the original unit carefully and submit complete technical information before confirming the commercial order.
What is the normal wholesale order arrangement?
They depend on availability, quantity and destination. Neutral and customized options can be discussed during quotation.
Request a Quote: Contact YoonShan with OE 4H2820021B, application AUDI A6 (2010-2018), quantity and destination for fitment review, pricing and international supply options.






