Key references

OE reference
8Y0 807 521 B
Supplier SKU
AD02003-001
Vehicle application
2021 AUDI A3 (sport version)
Part type
Bumper Spoiler

Product specifications

OE reference8Y0 807 521 B
Supplier SKUAD02003-001
Vehicle application2021 AUDI A3 (sport version)
Vehicle makeAUDI
Vehicle modelA3
Production years2021
Installation positionRear lower bumper area
Part typeBumper Spoiler
Cross-reference numbers8Y0 807 521 B

Product details

8Y0 807 521 B is prepared for buyers who need a clear bumper-spoiler reference before paint and assembly work. For 2021 AUDI A3 (sport version), AutoParts tracks the requested rear bumper spoiler as AD02003-001.

AD02003-001 requires an application-specific review: the bumper-aero component should be examined against the grille, fender and lamp boundaries that define the final installed appearance. The purchase team can use the recorded result when confirming the order line.

Pre-Paint Fitment Confirmation

Fitment guidance for 8Y0 807 521 B. Ask the workshop to identify every transferable component from the removed bumper-aero part. Grilles, lamps, mouldings, sensors and fasteners are normally reviewed separately from the outer panel. Those observations should remain available during sample and bulk-order review.

The rear location on 2021 AUDI A3 (sport version) should be reviewed as follows: The safest release method is VIN review, OE confirmation and trial alignment in that order. Painting should only follow after the workshop accepts the dry fit. This review is especially useful near model-year or equipment transitions.

Product Technical Specifications

Product type: Rear Bumper Spoiler

Primary OE reference: 8Y0 807 521 B

Cross-reference numbers: 8Y0 807 521 B

Internal item code: AD02003-001

Vehicle brand: AUDI

Vehicle model: A3

Model year: 2021

Installation position: Rear lower bumper area

Applicable vehicle: 2021 AUDI A3 (sport version)

Role in Exterior Repair

Functional context for 8Y0 807 521 B. Because the component spans a wide area of the vehicle, small mounting differences can affect several gaps at once. Correct reference selection is therefore more reliable than visual guessing. This evidence belongs in the same approval file as the vehicle photographs.

Application note for item AD02003-001. Exterior repair quality is influenced by how the bumper-aero component meets retainers and adjacent panels. A careful trial fit helps identify bracket damage before finishing work starts. That comparison gives the workshop a clearer basis for a pre-paint decision.

Inspection of Corners, Tabs and Openings

Receiving note for carton AD02003-001. Keep the panel wrapped until a clean inspection area is available. Dust, metal filings and nearby body-shop work can mark the visible surface before painting starts. Those observations should remain available during sample and bulk-order review.

Pre-finish check for 2021 AUDI A3 (sport version). Confirm the quantity of loose covers and associated packing labels at receipt. Keep each item code linked to its carton until the fitment sample has been approved. The buyer can then connect the physical review to the supplier item record.

B2B Sourcing and Shipment Preparation

A quotation for 8Y0 807 521 B should reflect this guidance: Provide the expected packaging method, label language and pallet requirements. Buyers should also identify any inspection standard that must appear on the order file. Those observations should remain available during sample and bulk-order review.

The 2 square images attached to AD02003-001 support visual review. 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. The repairer should document the outcome before transferring trim components.

Frequently Asked Questions

How is fitment assessed for OE 8Y0 807 521 B?

2021 AUDI A3 (sport version) is the stated reference for this page. Review production date and regional specification in addition to the model name. Closely related variants can use different hidden fixing patterns. The buyer can then connect the physical review to the supplier item record.

How does AD02003-001 support order traceability?

Supplier-code context for this rear bumper spoiler. Provide the purchasing contact, technical contact and delivery location. Separating commercial and fitment questions can speed up approval of the order. Keep AD02003-001 beside 8Y0 807 521 B in the final commercial record.

Which exterior features support a reliable panel match?

Panel-comparison guidance for 2021 AUDI A3 (sport version). 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.

Which inspection result allows finishing work to proceed?

Finishing guidance for OE 8Y0 807 521 B. Separate geometry approval from cosmetic preparation. If alignment needs force, stop and inspect the reference and vehicle-side retainers. The purchase team can use the recorded result when confirming the order line.

Which packaging and destination facts support a useful quotation?

Wholesale request for AD02003-001. For bulk demand, identify the accepted sample or previous order and add the new quantity, destination and any updated label instructions. The repairer should document the outcome before transferring trim components.

Request a Quote for 8Y0 807 521 B

For repeat supply, reference the previously accepted sample or purchase order. Do not rely only on a shortened product description when multiple variants exist. For AutoParts’s review, connect 8Y0 807 521 B and AD02003-001 with the intended 2021 AUDI A3 (sport version), requested quantity and delivery market.

Verification: Keep photographic evidence of the original cover with the fitment approval for AD02003-001.

Supply note: Confirm sample approval, surface-inspection criteria and loading preferences before repeat supply.

Product classification

Body Parts

Vehicle systems

Body Parts

Body Parts. Compare the product reference, vehicle specification, mounting position and source photographs, then request a quotation.

Bumper Spoiler

Part categories

Bumper Spoiler

Bumper Spoiler. Compare the product reference, vehicle specification, mounting position and source photographs, then request a quotation.

Frequently Asked Questions

What should I include in a quotation request?

Include the OE reference or SKU, vehicle make and model, production year, required side or position, quantity and delivery country.

How can I confirm the correct part?

Compare the OE reference, vehicle configuration, mounting points and connectors with the existing part. Send clear photographs if several versions are available.

Can I specify packing requirements?

Share your carton, label and mixed-order requirements with the quantity and destination. Packing and dispatch arrangements are confirmed before the order is finalized.