4B2820021C Blower Motor for AUDI A6
Primary OE reference: 4B2820021C
Cross-reference 1: 87477
Cross-reference 2: V15031922
Cross-reference 3: 34214
Cross-reference 4: AI8427
Product type: Automotive HVAC Blower Motor
Applicable vehicle: AUDI A6
Brand: AUDI
Model: A6
Electrical match: Confirm voltage, plug key and terminal count against the original motor
Motor interface: Compare flange contour, screw spacing and motor-body depth
Fan wheel check: Verify wheel diameter, height and rotation direction before ordering
HVAC function: When the climate-control circuit commands airflow, the electric motor rotates the fan wheel inside the HVAC housing.
Installation guidance: Support the motor during removal, keep wiring clear of the wheel, and test all commanded fan speeds before refitting panels.
Fitment basis: Check voltage, rotation direction, cable exit and the position of every locating tab against the existing blower.
Quotation information: Provide the OE number, vehicle application, quantity and delivery country
4B2820021C Automotive Blower Motor Overview
For cabin heating, ventilation and air-conditioning repairs, 4B2820021C is presented as the primary lookup number.
For catalogue item 6233-019, Stable wheel rotation helps distribute air without relying on vehicle speed, making the 4B2820021C blower important at idle and in traffic. Use 6233-019 when comparing this 4B2820021C airflow configuration.
OE Reference and Application
The primary catalogue number is 4B2820021C. The recorded application is AUDI A6. For 6233-019, Match the 4B2820021C motor body depth, flange shape, connector lock and impeller profile instead of relying on the listed AUDI vehicle name alone. Record 6233-019 with the approved OE reference.
HVAC Interface and 4B2820021C installation
During work on 6233-019, After 4B2820021C installation, operate low through high speed and confirm 4B2820021C airflow reaches the selected vents without abnormal vibration. Recheck 6233-019 before the lower trim is closed.
For item 6233-019, confirm that the 4B2820021C centrifugal wheel clears its housing and that the 6233-019 connector lock engages without force. After seating 6233-019, test the available fan speeds and listen for rubbing, imbalance or intermittent electrical operation linked to 6233-019.
Automotive HVAC Blower Motor Specifications
| Product type | Automotive HVAC Blower Motor |
|---|---|
| Primary OE reference | 4B2820021C |
| Cross-reference numbers | 87477 / V15031922 / 34214 / AI8427 |
| Vehicle brand | AUDI |
| Vehicle model | A6 |
| Model year | Confirm by OE reference |
| 4B2820021C installation area | Cabin HVAC / heater blower housing |
| Main interfaces | Electrical connector, mounting flange and centrifugal fan wheel |
| Fitment method | OE-number and physical-geometry comparison |
Quality and Trade Supply
For product 6233-019, Packing preparation accounts for the 4B2820021C motor weight and wheel shape to reduce movement inside the carton. The 6233-019 record remains the picking reference.
For trade item 6233-019, For a quotation, provide the OE number, required quantity, vehicle application, destination and preferred carton marking. Keep 6233-019 on the packing instruction.
Frequently Asked Questions
How should item 6233-019 and blower number 4B2820021C be verified?
Match 6233-019 to the complete 4B2820021C marking, then compare the 6233-019 plug, terminal count, mounting flange and wheel dimensions with the removed AUDI unit.
Can 6233-019 have more than one vehicle-side blower configuration?
Yes. AUDI production changes can affect 6233-019; confirm steering position, climate-control specification and the original 6233-019 geometry before approval.
What circuit checks are useful when 6233-019 does not operate?
For 6233-019, inspect the fuse, relay, speed resistor or controller, wiring and ground before replacing the 6233-019 motor again.
Which details should accompany a wholesale request for 6233-019?
Provide item 6233-019, OE 4B2820021C, the stated application, quantity and destination; add 6233-019 carton or private-label requirements separately.
How can noise be avoided after fitting 6233-019?
Clear debris from the air inlet, check that the 6233-019 wheel turns freely, seat the 6233-019 flange evenly and keep wiring away from the impeller.
Request a quote for 6233-019: Send 4B2820021C, the 6233-019 application and required quantity for a fitment and supply review.
