058121350 Viscous Fan Clutch Assembly for AUDI A4
Product: Viscous Fan Clutch Assembly
Primary OE: 058121350
Item code: AD01012-003
Cross-reference numbers:
058121300
Brand: AUDI
Model: A4
Function: Controls fan engagement to support radiator airflow at low road speed.
Supply: Suitable for distributor trials and customer-specific packing discussion.
Fitment check: Check drive connection, pilot diameter, bolt circle and overall height.
Quality note: Order records can include product images, item labels and packing confirmation.
058121350 Viscous Fan Clutch Assembly for AUDI A4
OE number 058121350 identifies this engine-cooling fan clutch configuration for AUDI A4. Use supplier code AD01012-003 when requesting samples, inspection details or wholesale terms.
This assembly helps balance low-speed cooling airflow and engine efficiency. A sound bearing, correct hub offset and properly calibrated viscous action are all important to reliable operation.
Product Technical Specifications
| Component | Viscous fan clutch assembly |
|---|---|
| Primary OE reference | 058121350 |
| Cross-reference numbers | 058121300 |
| Vehicle brand | AUDI |
| Model reference | A4 |
| Yongshang Auto SKU | AD01012-003 |
| Supply position | Aftermarket wholesale replacement |
How the Viscous Coupling Works
Cooling performance depends on both airflow and mechanical integrity. The clutch bearing, input connection, fan bolt pattern and thermal valve must suit the original system.
A workshop comparison of cold and hot engagement can support diagnosis, but the test procedure and acceptable behavior depend on the vehicle manufacturer.
Mechanical Fitment Checklist
For AUDI A4, compare 058121350, engine option, water-pump connection and shroud clearance. The fan must remain centered with adequate space throughout rotation.
- Confirm the OE number and usable cross-references.
- Match vehicle model, engine, chassis and production period.
- Check drive-side thread or flange and rotation direction.
- Measure hub height, pilot diameter and fan bolt circle.
- Verify blade alignment and clearance inside the shroud.
Installation and Cooling-System Checks
Installation should be completed by a qualified technician. Follow the specified thread direction and torque procedure, inspect the fan and water-pump bearing, replace damaged hardware, and confirm that the blade rotates freely without contacting the radiator or shroud. Test the vehicle under the appropriate warm operating conditions after assembly.
Quality-Control Options
Sampling inspection helps confirm visible configuration and dimensional consistency before a batch is released for dispatch.
Ordering Specification Notes
When requesting 058121350 for AUDI A4, attach SKU AD01012-003, quantity and a dimensional drawing or annotated photos of the original unit. This evidence helps verify the mechanical interfaces and gives the supplier a clearer basis for packing and inspection planning.
Wholesale and Procurement Information
A sample of 058121350 / AD01012-003 can be reviewed before volume purchasing, subject to availability. State the dimensions and inspection evidence required.
Frequently Asked Questions
Is 058121350 suitable for every AUDI A4 version?
Not automatically. Engine, production period and water-pump or fan configuration can change the required clutch.
Which measurements are most important?
Check total height, drive-side connection, pilot diameter, fan bolt circle, fan-side offset and rotation direction.
Should the fan blade be inspected too?
Yes. Cracks, deformation, loose holes or imbalance can overload the new clutch and create a safety hazard.
Are pre-shipment photos available for AD01012-003?
They can be discussed for sample or bulk orders, including mounting faces, profile, labels and packing.
Can private-label cartons be supplied?
Neutral or customer-specific packaging can be evaluated according to quantity, artwork and schedule.
Request a 058121350 Fan Clutch Quote
Contact Yongshang Auto with 058121350, AD01012-003, quantity and destination country for a fitment review and wholesale proposal for AUDI A4.
Fitment notice: OE and model references support identification but do not replace engine-specific catalogue checks or comparison with the original fan clutch.
