4GD 807 521 D Rear Bumper Air Deflector for AUDI A6L 2016-2018
Product: Rear Bumper Air Deflector
Primary OE: 4GD 807 521 D
Item code: AD02003-121
Cross-reference numbers:
4GD 807 521 D
4GD807521D
Brand: AUDI
Model: A6L
Application reference: 2016-2018 AUDI A6L
Position: Rear
Verification: Use the complete reference 4GD 807 521 D; then confirm market version, trim equipment and the condition of vehicle-side retainers.
Supply note: Identify sample or bulk demand and include the destination so shipment volume and protection can be evaluated.
4GD 807 521 D is listed as an application-led bumper spoiler or air deflector rather than a universal exterior part. For 2016-2018 AUDI A6L, Yongshang Auto tracks the requested rear bumper air deflector as AD02003-121.
AD02003-121 requires an application-specific review: The buyer should review corner shape, grille interfaces, lamp zones and attachment points before authorising a production quantity. This sequence keeps catalogue selection separate from cosmetic preparation.
Vehicle Evidence for Fitment Decisions
Fitment guidance for 4GD 807 521 D. Check the side retainer areas, upper fixing line and lower mounting pattern. Similar exterior styling does not guarantee that hidden attachment geometry is interchangeable. This review is especially useful near model-year or equipment transitions.
The rear location on 2016-2018 AUDI A6L should be reviewed as follows: Check production transitions carefully when the stated year sits near a facelift. Catalogue month ranges can be more reliable than a registration year alone. The result should be recorded before commercial release of the requested quantity.
Product Technical Specifications
| Product type | Rear Bumper Air Deflector |
|---|---|
| Primary OE reference | 4GD 807 521 D |
| Cross-reference numbers | 4GD 807 521 D |
| Internal item code | AD02003-121 |
| Vehicle brand | AUDI |
| Vehicle model | A6L |
| Model year | 2016-2018 |
| Installation position | Rear lower bumper area |
| Applicable vehicle | 2016-2018 AUDI A6L |
Cover Profile and Vehicle Styling
Functional context for 4GD 807 521 D. The panel brings together openings for service covers, lighting areas, grilles and optional equipment. Their positions must correspond to the actual vehicle specification. A dated photo record makes the decision easier to review if questions arise later.
Application note for item AD02003-121. The panel must accommodate the trim and functional openings designed for the vehicle. Unlisted accessories or regional packages should be disclosed during the enquiry. Those observations should remain available during sample and bulk-order review.
Inspection Points at Goods Receipt
Receiving note for carton AD02003-121. Trial fit with undamaged vehicle-side hardware and avoid forcing clips into position. Excessive pressure can hide an incorrect reference or create permanent deformation. That comparison gives the workshop a clearer basis for a pre-paint decision.
Pre-finish check for 2016-2018 AUDI A6L. Store the bumper-aero component away from concentrated heat and do not place heavy cartons on top. A wide panel can develop shape problems when it is supported at only one point. This approach reduces dependence on exterior appearance alone.
Commercial Reference and Packing Review
A quotation for 4GD 807 521 D should reflect this guidance: Keep OE confirmation, photographs, sample findings and packing approval in one purchase file. This creates continuity from quotation through final receipt. This evidence belongs in the same approval file as the vehicle photographs.
The 2 square images attached to AD02003-121 support visual review. Include the OE reference, internal item code, required quantity and destination country. Add vehicle photographs when the market version or equipment grade may affect the panel. A dated photo record makes the decision easier to review if questions arise later.
Frequently Asked Questions
Which vehicle details support selection of OE 4GD 807 521 D?
2016-2018 AUDI A6L is the stated reference for this page. Use the OE catalogue as the starting point, then compare mounting edges, equipment apertures and corner contours with the original vehicle part before paint. The same information helps receiving staff identify the correct carton and panel.
How can a buyer avoid confusing AD02003-121 with another cover?
Supplier-code context for this rear bumper air deflector. Discuss corner protection, face separation and keep-flat handling marks before production packing. Large exterior panels need protection from both abrasion and concentrated pressure. Keep AD02003-121 beside 4GD 807 521 D in the final commercial record.
What needs to align around lamps, grilles and retainers?
Panel-comparison guidance for 2016-2018 AUDI A6L. Record the VIN and any sensor, washer, camera, lamp or moulding equipment. Those features can determine the required aperture layout. The repairer should document the outcome before transferring trim components.
How does a dry fit protect the refinishing investment?
Finishing guidance for OE 4GD 807 521 D. Resolve damaged brackets or uncertain equipment openings first; coating the part should be the last step in the approval sequence. The same information helps receiving staff identify the correct carton and panel.
What belongs in the purchase brief for 2016-2018 AUDI A6L?
Wholesale request for AD02003-121. Confirm whether loose accessories are expected and specify carton marks, corner protection and pre-shipment photograph requirements. This review is especially useful near model-year or equipment transitions.
Request a Quote for 4GD 807 521 D
State whether the order is a sample, mixed-model shipment or repeat programme. bumper spoilers and air deflectors are volume-sensitive, so carton and loading assumptions should be discussed before the freight quotation. For Yongshang Auto’s review, connect 4GD 807 521 D and AD02003-121 with the intended 2016-2018 AUDI A6L, requested quantity and delivery market.
