8T1820021 Blower Motor for AUDI A4 2012-2018
Primary OE reference: 8T1820021
Cross-reference 1: 700301
Cross-reference 2: 8EW351104431
Cross-reference 3: 34163
Cross-reference 4: 87428
Cross-reference 5: 8T1820021B
Product type: Automotive HVAC Blower Motor
Applicable vehicle: AUDI A4 2012-2018
Brand: AUDI
Model: A4
Vehicle year: 2012-2018
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: After installation, operate low through high speed and confirm airflow reaches the selected vents without abnormal vibration.
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
8T1820021 Automotive Blower Motor Overview
This product entry documents the 8T1820021 blower unit with practical identification and 8T1820021 installation checkpoints.
For catalogue item 6233-001, Stable wheel rotation helps distribute air without relying on vehicle speed, making the 8T1820021 blower important at idle and in traffic. Use 6233-001 when comparing this 8T1820021 airflow configuration.
OE Reference and Application
The primary catalogue number is 8T1820021. The recorded application is AUDI A4 2012-2018. For 6233-001, Confirm connector orientation, wheel depth, housing diameter and screw pattern before approving the order. Record 6233-001 with the approved OE reference.
HVAC Interface and 8T1820021 installation
During work on 6233-001, After 8T1820021 installation, operate low through high speed and confirm 8T1820021 airflow reaches the selected vents without abnormal vibration. Recheck 6233-001 before the lower trim is closed.
For item 6233-001, confirm that the 8T1820021 centrifugal wheel clears its housing and that the 6233-001 connector lock engages without force. After seating 6233-001, test the available fan speeds and listen for rubbing, imbalance or intermittent electrical operation linked to 6233-001.
Automotive HVAC Blower Motor Specifications
| Product type | Automotive HVAC Blower Motor |
|---|---|
| Primary OE reference | 8T1820021 |
| Cross-reference numbers | 700301 / 8EW351104431 / 34163 / 87428 / 8T1820021B |
| Vehicle brand | AUDI |
| Vehicle model | A4 |
| Model year | 2012-2018 |
| 8T1820021 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 6233-001, The supplied configuration follows the photographed item; included hardware should be confirmed during quotation. The 6233-001 record remains the picking reference.
For trade item 6233-001, For repeat orders, quote the same SKU and OE reference while noting any change in vehicle market or steering position. Keep 6233-001 on the packing instruction.
Frequently Asked Questions
How should item 6233-001 and blower number 8T1820021 be verified?
Match 6233-001 to the complete 8T1820021 marking, then compare the 6233-001 plug, terminal count, mounting flange and wheel dimensions with the removed AUDI unit.
Can 6233-001 have more than one vehicle-side blower configuration?
Yes. AUDI production changes can affect 6233-001; confirm steering position, climate-control specification and the original 6233-001 geometry before approval.
What circuit checks are useful when 6233-001 does not operate?
For 6233-001, inspect the fuse, relay, speed resistor or controller, wiring and ground before replacing the 6233-001 motor again.
Which details should accompany a wholesale request for 6233-001?
Provide item 6233-001, OE 8T1820021, the stated application, quantity and destination; add 6233-001 carton or private-label requirements separately.
How can noise be avoided after fitting 6233-001?
Clear debris from the air inlet, check that the 6233-001 wheel turns freely, seat the 6233-001 flange evenly and keep wiring away from the impeller.
Request a quote for 6233-001: Send 8T1820021, the 6233-001 application and required quantity for a fitment and supply review.
