4B2820021C Blower Motor for AUDI A6

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.

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