4FD 807 521A Rear Bumper Air Deflector for AUDI A6 2009
Product: Rear Bumper Air Deflector
Primary OE: 4FD 807 521A
Item code: AD02003-044
Cross-reference numbers:
4FD 807 521A
4FD807521A
Brand: AUDI
Model: A6
Application reference: 2009 AUDI A6
Position: Rear
Verification: Use the complete reference 4FD 807 521A; then confirm market version, trim equipment and the condition of vehicle-side retainers.
Supply note: State mixed-order requirements, carton marks and pre-shipment photo needs at the quotation stage.
4FD 807 521A forms a practical reference for replacement work involving panel alignment and trim interfaces. For 2009 AUDI A6, Yongshang Auto tracks the requested rear bumper air deflector as AD02003-044.
AD02003-044 requires an application-specific review: The visible profile, mounting edges and equipment apertures must be compared with the removed bumper-aero part before refinishing begins. This sequence keeps catalogue selection separate from cosmetic preparation.
Panel Geometry Confirmation
Fitment guidance for 4FD 807 521A. Check production transitions carefully when the stated year sits near a facelift. Catalogue month ranges can be more reliable than a registration year alone. This review is especially useful near model-year or equipment transitions.
The rear location on 2009 AUDI A6 should be reviewed as follows: Review the application in the parts catalogue and then measure or photograph the removed panel. A facelift boundary or market-specific trim grade may require a different cover. The result should be recorded before commercial release of the requested quantity.
Product Technical Specifications
| Product type | Rear Bumper Air Deflector |
|---|---|
| Primary OE reference | 4FD 807 521A |
| Cross-reference numbers | 4FD 807 521A |
| Internal item code | AD02003-044 |
| Vehicle brand | AUDI |
| Vehicle model | A6 |
| Model year | 2009 |
| Installation position | Rear lower bumper area |
| Applicable vehicle | 2009 AUDI A6 |
Restoring the Vehicle Body Line
Functional context for 4FD 807 521A. The component is a finish-critical exterior item, so packing, storage and workshop handling can influence the result as much as catalogue selection. A dated photo record makes the decision easier to review if questions arise later.
Application note for item AD02003-044. This service part is commonly used in collision repair, refurbishment and wholesale replacement programmes. Its suitability still depends on the specific vehicle and equipment configuration. Those observations should remain available during sample and bulk-order review.
Body-Shop Preparation Notes
Receiving note for carton AD02003-044. Check for transit pressure marks, edge distortion, scratches and incomplete apertures. Photograph any concern before sanding, drilling, trimming or painting changes the supplied condition. That comparison gives the workshop a clearer basis for a pre-paint decision.
Pre-finish check for 2009 AUDI A6. Do not judge the panel while it is twisted on the floor or leaning against a sharp edge. Support it near its designed mounting orientation before checking contour. This approach reduces dependence on exterior appearance alone.
Preparing a B2B bumper spoiler Enquiry
A quotation for 4FD 807 521A should reflect this guidance: When purchasing for distribution, list the target model years and sales markets. That context helps identify catalogue transitions that deserve additional verification. This evidence belongs in the same approval file as the vehicle photographs.
The 1 square image attached to AD02003-044 support visual review. Discuss corner protection, face separation and keep-flat handling marks before production packing. Large exterior panels need protection from both abrasion and concentrated pressure. A dated photo record makes the decision easier to review if questions arise later.
Frequently Asked Questions
What confirms the application of OE 4FD 807 521A?
2009 AUDI A6 is the stated reference for this page. Photograph the surrounding grille, lamps and adjacent body panels as well as the removed bumper-aero part. These interfaces help distinguish similar designs. The same information helps receiving staff identify the correct carton and panel.
How can a buyer avoid confusing AD02003-044 with another cover?
Supplier-code context for this rear bumper air deflector. Keep OE confirmation, photographs, sample findings and packing approval in one purchase file. This creates continuity from quotation through final receipt. Keep AD02003-044 beside 4FD 807 521A in the final commercial record.
What needs to align around lamps, grilles and retainers?
Panel-comparison guidance for 2009 AUDI A6. Check the OE reference first and use physical evidence second. Do not approve from an online image or exterior colour alone. The repairer should document the outcome before transferring trim components.
How does a dry fit protect the refinishing investment?
Finishing guidance for OE 4FD 807 521A. The body shop should verify the complete assembly interface before any irreversible preparation is carried out. The same information helps receiving staff identify the correct carton and panel.
What belongs in the purchase brief for 2009 AUDI A6?
Wholesale request for AD02003-044. Keep the OE reference and internal code on every enquiry revision, purchase order and packing confirmation to reduce mix-ups during consolidation. This review is especially useful near model-year or equipment transitions.
Request a Quote for 4FD 807 521A
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. For Yongshang Auto’s review, connect 4FD 807 521A and AD02003-044 with the intended 2009 AUDI A6, requested quantity and delivery market.
