Key references

OE reference
8K0 807 521
Supplier SKU
AD02003-025
Vehicle application
2009 AUDI A4
Part type
Bumper Spoiler

Product specifications

OE reference8K0 807 521
Supplier SKUAD02003-025
Vehicle application2009 AUDI A4
Vehicle makeAUDI
Vehicle modelA4
Production years2009
Installation positionRear lower bumper area
Part typeBumper Spoiler
Cross-reference numbers8K0 807 521

Product details

8K0 807 521 supports replacement-panel purchasing when buyers need a traceable application reference. For 2009 AUDI A4, AutoParts tracks the requested rear bumper air deflector as AD02003-025.

AD02003-025 requires an application-specific review: The quotation should state whether the request concerns a complete bumper-aero component, an upper section or a lower section to avoid an incorrect comparison. Those observations should remain available during sample and bulk-order review.

Compatibility Review for This Reference

Fitment guidance for 8K0 807 521. Confirm whether the vehicle carries parking sensors, front camera equipment, headlamp washers, fog lamps, reflectors or special mouldings. Each feature can change the required holes, brackets or trim interfaces. The repairer should document the outcome before transferring trim components.

The rear location on 2009 AUDI A4 should be reviewed as follows: Check that vehicle-side brackets, retainers and absorbers are serviceable. Damaged support parts can create an apparent fit problem that is not caused by the replacement bumper-aero component. This approach reduces dependence on exterior appearance alone.

Product Technical Specifications

Product type: Rear Bumper Air Deflector

Primary OE reference: 8K0 807 521

Cross-reference numbers: 8K0 807 521

Internal item code: AD02003-025

Vehicle brand: AUDI

Vehicle model: A4

Model year: 2009

Installation position: Rear lower bumper area

Applicable vehicle: 2009 AUDI A4

Interface With Adjacent Components

Functional context for 8K0 807 521. Its broad surface restores the visual continuity of the vehicle after damage. The repairer should evaluate waviness, edge condition and aperture shape during incoming inspection. Those observations should remain available during sample and bulk-order review.

Application note for item AD02003-025. The outer bumper-aero component contributes to styling and low-speed surface protection, but it is not a substitute for the reinforcement system. Buyers should quote each required assembly part separately. The repairer should document the outcome before transferring trim components.

Surface Review Before Refinishing

Receiving note for carton AD02003-025. Use clean gloves and padded supports during handling. Protecting the finish area reduces rework and keeps the inspection record clear for buyer and supplier. The result should be recorded before commercial release of the requested quantity.

Pre-finish check for 2009 AUDI A4. 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.

Buyer Checklist for an Export Order

A quotation for 8K0 807 521 should reflect this guidance: 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. The completed check supports a traceable discussion between buyer and supplier.

The 3 square images attached to AD02003-025 support visual review. Ask for pre-shipment photographs when the purchase programme requires packaging approval. The record should show item labels, carton condition and loading arrangement. The result should be recorded before commercial release of the requested quantity.

Frequently Asked Questions

Why must the workshop verify OE 8K0 807 521?

2009 AUDI A4 is the stated reference for this page. Use build-month data near facelift changes. Registration year by itself may not identify the correct generation boundary. This evidence belongs in the same approval file as the vehicle photographs.

Which commercial record should show code AD02003-025?

Supplier-code context for this rear bumper air deflector. Confirm the delivery market and preferred transport method. Packing design can differ between sample courier movement, consolidated sea freight and full-container supply. Keep AD02003-025 beside 8K0 807 521 in the final commercial record.

Which hidden details can distinguish this bumper-aero component from a similar design?

Panel-comparison guidance for 2009 AUDI A4. Request a full photographic record of the removed bumper-aero part and vehicle. Include labels, side retainers, upper fixings, lower mounts and all grille or lamp openings. That comparison gives the workshop a clearer basis for a pre-paint decision.

When can the body shop release this bumper-aero component to the paint area?

Finishing guidance for OE 8K0 807 521. Release the bumper-aero component to paint only when the fitment record shows that OE data and physical comparison support the same application. The completed check supports a traceable discussion between buyer and supplier.

Which logistics details should be discussed with quantity?

Wholesale request for AD02003-025. State the required inspection record, sample-approval process and transport method. Large exterior panels need early agreement on protection and volume. A dated photo record makes the decision easier to review if questions arise later.

Request a Quote for 8K0 807 521

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. For AutoParts’s review, connect 8K0 807 521 and AD02003-025 with the intended 2009 AUDI A4, requested quantity and delivery market.

Verification: Confirm that 8K0 807 521 matches the intended 2009 AUDI A4 and verify the unpainted panel on the vehicle.

Supply note: Reference AD02003-025 when discussing carton protection, labels, pallet rules and transport method.

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.