8K1820021B Blower Motor for AUDI A4 2011
Primary OE reference: 8K1820021B
Cross-reference 1: 8K1820021C
Cross-reference 2: 8K1820021A
Cross-reference 3: 4096C
Cross-reference 4: 8K0820021C
Product type: Automotive HVAC Blower Motor
Applicable vehicle: AUDI A4 2011
Brand: AUDI
Model: A4
Vehicle year: 2011
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: Cabin airflow depends on the motor, fan wheel, resistor or controller, wiring and an unobstructed filter working together.
Installation guidance: Do not energize the unit while loose in the housing; secure it correctly before performing the functional check.
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
8K1820021B Automotive Blower Motor Overview
Use 8K1820021B as the initial catalogue reference for the pictured cabin blower motor, then confirm the physical interfaces.
For catalogue item 6233-002, Cabin 8K1820021B airflow depends on the 8K1820021B motor, fan wheel, resistor or controller, wiring and an unobstructed filter working together. Use 6233-002 when comparing this 8K1820021B airflow configuration.
OE Reference and Application
The primary catalogue number is 8K1820021B. The recorded application is AUDI A4 2011. For 6233-002, Review the original connector photograph and fastening layout when catalogue applications include more than one HVAC configuration. Record 6233-002 with the approved OE reference.
HVAC Interface and 8K1820021B installation
During work on 6233-002, Inspect the resistor or electronic controller and connector terminals if the original fault involved intermittent speed operation. Recheck 6233-002 before the lower trim is closed.
For item 6233-002, confirm that the 8K1820021B centrifugal wheel clears its housing and that the 6233-002 connector lock engages without force. After seating 6233-002, test the available fan speeds and listen for rubbing, imbalance or intermittent electrical operation linked to 6233-002.
Automotive HVAC Blower Motor Specifications
| Product type | Automotive HVAC Blower Motor |
|---|---|
| Primary OE reference | 8K1820021B |
| Cross-reference numbers | 8K1820021C / 8K1820021A / 4096C / 8K0820021C |
| Vehicle brand | AUDI |
| Vehicle model | A4 |
| Model year | 2011 |
| 8K1820021B 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 6233-002, Reference labels and image records support traceable picking when visually similar blower motors share a shipment. The 6233-002 record remains the picking reference.
For trade item 6233-002, Mixed orders can be reviewed by SKU and OE list, with application details kept separate for warehouse picking. Keep 6233-002 on the packing instruction.
Frequently Asked Questions
How should item 6233-002 and blower number 8K1820021B be verified?
Match 6233-002 to the complete 8K1820021B marking, then compare the 6233-002 plug, terminal count, mounting flange and wheel dimensions with the removed AUDI unit.
Can 6233-002 have more than one vehicle-side blower configuration?
Yes. AUDI production changes can affect 6233-002; confirm steering position, climate-control specification and the original 6233-002 geometry before approval.
What circuit checks are useful when 6233-002 does not operate?
For 6233-002, inspect the fuse, relay, speed resistor or controller, wiring and ground before replacing the 6233-002 motor again.
Which details should accompany a wholesale request for 6233-002?
Provide item 6233-002, OE 8K1820021B, the stated application, quantity and destination; add 6233-002 carton or private-label requirements separately.
How can noise be avoided after fitting 6233-002?
Clear debris from the air inlet, check that the 6233-002 wheel turns freely, seat the 6233-002 flange evenly and keep wiring away from the impeller.
Request a quote for 6233-002: Send 8K1820021B, the 6233-002 application and required quantity for a fitment and supply review.
