4G0 807 521C Rear Bumper Air Deflector for AUDI A6 2016
Product: Rear Bumper Air Deflector
Primary OE: 4G0 807 521C
Item code: AD02003-040
Cross-reference numbers:
4G0 807 521C
4G0807521C
Brand: AUDI
Model: A6
Application reference: 2016 AUDI A6
Position: Rear
Verification: Review production month, original labels, mounting edges and adjacent-panel interfaces before releasing the order.
Supply note: For wholesale review, provide quantity, consignee country, packaging instructions and the required inspection record.
4G0 807 521C is catalogued for body-shop enquiries that begin with an exact OE-number match. For 2016 AUDI A6, Yongshang Auto tracks the requested rear bumper air deflector as AD02003-040.
AD02003-040 requires an application-specific review: A controlled review of the OE record and original-part images reduces the risk of selecting a neighbouring model-year design. The repairer should document the outcome before transferring trim components.
Application Review Before Approval
Fitment guidance for 4G0 807 521C. Use a photograph set that shows the entire old cover, both corners, the upper edge, the lower edge and every equipment opening. This allows the supplier to compare visible geometry instead of relying on a model name. The same information helps receiving staff identify the correct carton and panel.
The rear location on 2016 AUDI A6 should be reviewed as follows: Use a photograph set that shows the entire old cover, both corners, the upper edge, the lower edge and every equipment opening. This allows the supplier to compare visible geometry instead of relying on a model name. The completed check supports a traceable discussion between buyer and supplier.
Product Technical Specifications
| Product type | Rear Bumper Air Deflector |
|---|---|
| Primary OE reference | 4G0 807 521C |
| Cross-reference numbers | 4G0 807 521C |
| Internal item code | AD02003-040 |
| Vehicle brand | AUDI |
| Vehicle model | A6 |
| Model year | 2016 |
| Installation position | Rear lower bumper area |
| Applicable vehicle | 2016 AUDI A6 |
Exterior Panel Replacement Objective
Functional context for 4G0 807 521C. A replacement bumper-aero component allows a body shop to rebuild the exterior line without treating the part as structural reinforcement. Reinforcement bars and absorbers remain separate assembly elements. This sequence keeps catalogue selection separate from cosmetic preparation.
Application note for item AD02003-040. The component is a finish-critical exterior item, so packing, storage and workshop handling can influence the result as much as catalogue selection. The result should be recorded before commercial release of the requested quantity.
Quality Review for the Supplied Panel
Receiving note for carton AD02003-040. If the panel has been folded or closely packed for freight, follow the agreed recovery method and allow sufficient time before measuring the final contour. The repairer should document the outcome before transferring trim components.
Pre-finish check for 2016 AUDI A6. Check for transit pressure marks, edge distortion, scratches and incomplete apertures. Photograph any concern before sanding, drilling, trimming or painting changes the supplied condition. The completed check supports a traceable discussion between buyer and supplier.
Wholesale Enquiry Information
A quotation for 4G0 807 521C should reflect this guidance: Send a clear old-part photograph together with the vehicle application. This gives the commercial team a practical comparison record before confirming price and lead time. The result should be recorded before commercial release of the requested quantity.
The 2 square images attached to AD02003-040 support visual review. Keep OE confirmation, photographs, sample findings and packing approval in one purchase file. This creates continuity from quotation through final receipt. The buyer can then connect the physical review to the supplier item record.
Frequently Asked Questions
What should be compared before approving OE 4G0 807 521C?
2016 AUDI A6 is the stated reference for this page. Match the complete OE code with the VIN, build date, stated application and photographs of the removed bumper-aero part. Approve the part only when those records and the visible panel geometry agree. The result should be recorded before commercial release of the requested quantity.
When should the warehouse use identifier AD02003-040?
Supplier-code context for this rear bumper air deflector. Quote the item code on every revision of the enquiry. Traceable references reduce confusion when several front, rear, upper or lower covers are reviewed together. Keep AD02003-040 beside 4G0 807 521C in the final commercial record.
Which mounting and trim interfaces matter for 4G0 807 521C?
Panel-comparison guidance for 2016 AUDI A6. Ask the supplier to confirm the quoted item code against the submitted application evidence. Keep that approval with the purchase order. Those observations should remain available during sample and bulk-order review.
Why is fitment confirmation separated from cosmetic preparation?
Finishing guidance for OE 4G0 807 521C. Complete the VIN check and dry fit first. Permanent work can make an incorrect reference difficult to return or investigate. That comparison gives the workshop a clearer basis for a pre-paint decision.
How should an importer prepare the enquiry for this bumper-aero component?
Wholesale request for AD02003-040. Attach clear vehicle and old-cover images, then list quantity and delivery conditions. This supports both technical review and a traceable commercial response. The purchase team can use the recorded result when confirming the order line.
Request a Quote for 4G0 807 521C
If colours, mouldings or accessories are shown in reference photographs, clarify whether they are included. The listing describes the outer bumper-aero component unless a quotation states otherwise. For Yongshang Auto’s review, connect 4G0 807 521C and AD02003-040 with the intended 2016 AUDI A6, requested quantity and delivery market.





