AUDI Rear Bumper Line

( Manufacturer Part Number: 4K5807511C ), ( Part Type: Line Bumper )

Review AUDI Rear Bumper S line 4k5 807 511 Oem fits A6 S6 2018–2020

The **Audi 4K5 807 511C rear bumper** for the **2018 2020 Audi A6 (C7), S6, and S-Line models** represents a precision-engineered component designed to blend cutting-edge functionality with Audi s signature sleek, sporty aesthetic. Crafted from high-grade, durable materials, this bumper is engineered to meet the rigorous demands of both daily driving and high-performance applications, ensuring long-lasting resilience against road debris, minor impacts, and environmental wear. The **4K5 807 511C** features a **black powder-coated finish**, offering a polished, premium look that complements Audi s signature design language while providing excellent resistance to UV fading, chipping, and corrosion. The bumper s integrated **rear fog light housing** and **licensing area** are meticulously aligned to maintain the vehicle s original alignment and functionality, ensuring compliance with regulatory standards and optimal visibility.

Beyond its aesthetic appeal, this bumper is built with **structural integrity** in mind, incorporating reinforced side impact zones and strategically placed mounting points to enhance crash protection and vehicle stability. The **S-Line and S6 variants** benefit from additional aerodynamic refinements, with subtle contouring and streamlined edges that reduce drag and improve handling dynamics. The **OEM-quality fitment** ensures a seamless installation, with precise tolerances that prevent gaps or misalignments, preserving the vehicle s factory appearance. Whether installed on a standard A6, the sport-tuned S6, or the luxury-oriented S-Line, this bumper upholds Audi s commitment to **excellence in engineering and design**, delivering both form and function with uncompromising precision. For owners seeking to restore or upgrade their Audi s rear end with authenticity and performance in mind, the **4K5 807 511C** is an indispensable choice.

### **Pros and Cons of buying a Audi 4K5 807 511 C (2018-2020) Rear Bumper for S6/S-line Models**

1. **OEM Quality and Fitment** This is an original Audi part, meaning it is designed to match the exact specifications of your vehicle, ensuring proper alignment, functionality, and aesthetics. Aftermarket parts may not fit as precisely, leading to gaps or misalignment.

2. **Durability and Longevity** Audi uses high-quality materials in their bumpers, including reinforced plastics and impact-absorbing foam, which are built to withstand minor collisions and daily wear. This reduces the risk of premature cracking or deformation.

3. **Resale Value Protection** Using an OEM part maintains the vehicle s original condition, which can be crucial if you plan to sell or trade-in the car later. Aftermarket parts may not hold the same value in the eyes of potential buyers.

4. **Warranty Coverage** If purchased directly from Audi or an authorized dealer, this part may come with a warranty, providing peace of mind against manufacturing defects. Some third-party sellers may also offer warranties, but terms vary.

5. **Aesthetic Consistency** The S6 and S-line models have a distinctive design, and this bumper is tailored to match their aggressive, sporty appearance. Aftermarket parts may not replicate the exact styling cues, such as the S-line s sharp edges or the S6 s aerodynamic contours.

6. **Compatibility with Audi Systems** The bumper integrates seamlessly with the vehicle s sensors, cameras, and lighting systems (e.g., rear fog lights, turn signals, and parking sensors). Aftermarket parts may not trigger these systems correctly, leading to malfunctions.

7. **Easier Installation** Since it is designed for your specific model, installation is straightforward, especially if you have experience with basic automotive repairs. No extensive modifications are typically required.

8. **Environmental Compliance** Audi bumpers meet all regulatory standards for crash safety and emissions, ensuring the part is legally compliant and safe for use.

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1. **High Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this specific bumper can range from **$800 to $1,500 **, depending on the source (dealer vs. online retailer). This can be a major investment if the bumper is damaged due to an accident or road debris.

2. **Limited Availability** Unlike aftermarket parts, OEM bumpers may not be readily available at every auto parts store. You may need to order it from an Audi dealer, a specialty online retailer, or a used part marketplace, which could delay repairs.

3. **Potential for Counterfeit Parts** If purchasing from third-party sellers (e.g., eBay, Facebook Marketplace, or unverified online stores), there is a risk of receiving a **counterfeit or refurbished part** that doesn t meet Audi s quality standards. Always verify the seller s reputation and part authenticity.

4. **Weight Considerations** Audi bumpers are heavier than some aftermarket alternatives, which may slightly affect fuel efficiency. However, the difference is minimal unless multiple heavy parts are replaced.

5. **Specialized Tools or Labor Required** While installation is manageable for experienced DIYers, some steps (e.g., removing the rear fascia, disconnecting sensors, or adjusting the bumper s mounting points) may require specialized tools or knowledge. If you re not comfortable, labor costs at a dealership can add **$150 $300** to the total expense.

6. **Limited Customization Options** If you re looking for unique colors, finishes, or performance modifications (e.g., carbon fiber, reinforced impact zones), OEM bumpers offer no flexibility. Aftermarket parts may provide more design choices, though at a trade-off in quality.

7. **Potential for Hidden Damage** If buying a used bumper, there s a risk of **internal damage** (e.g., cracked foam, rust, or misaligned mounting points) that isn t visible from the outside. Always inspect the part thoroughly before purchasing.

8. **Dealer Markup** Purchasing from an Audi dealership often comes with a **higher price** due to overhead costs and profit margins. Online retailers or used part auctions may offer better deals, but with the caveat of verifying authenticity.

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The **Audi 4K5 807 511 C rear bumper (2018-2020 S6/S-line)** is a **high-quality, reliable, and necessary replacement part** for maintaining your vehicle s original integrity, safety, and resale value. Its **OEM status ensures proper fitment, durability, and compatibility** with your car s systems, making it the best choice if budget and convenience allow.

However, the **high cost and potential for counterfeit parts** make it less ideal for casual buyers or those on a tight budget. If you re **not facing an accident or severe damage**, weighing the expense against the benefits is crucial. For minor cosmetic damage or non-critical repairs, an **aftermarket bumper** (from reputable brands like **ABS, Duralast, or Mopar**) could be a more affordable alternative, though with trade-offs in quality and warranty.

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- You ve had an **accident or significant damage** requiring a full replacement.

- You prioritize **long-term reliability, resale value, and warranty coverage**.

- You re comfortable paying the premium for **exact fitment and Audi s build quality**.

- You re purchasing from a **trusted Audi dealer or verified online retailer** (e.g., **AudiParts.com, RockAuto, or eBay with seller guarantees**).

- The damage is **cosmetic only** (e.g., minor scratches or dents that don t affect functionality).

- You re working with a **limited budget** and can find a **high-quality aftermarket part** (e.g., **ABS or Duralast bumpers**).

- You re okay with **potential slight misalignment** or **shorter lifespan** in exchange for cost savings.

- You plan to **modify the bumper** (e.g., carbon fiber wraps, custom paint) and want more design flexibility.

- **Used OEM Bumper:** Check **Audi parts auctions (eBay, Copart, IAA)** for refurbished or salvaged parts at a lower cost. Inspect for **rust, cracks, or sensor functionality**.

- **Rental or Loaner:** If the bumper is damaged, some dealerships offer **rental vehicles** while you wait for repairs.

- **DIY vs. Professional Installation:** If you re mechanically inclined, installing the bumper yourself can save labor costs. Otherwise, a **dealer or Audi specialist** ensures proper alignment and sensor recalibration.

**Final Verdict:** For **critical replacements**, the **OEM bumper is the best choice**. For **non-essential repairs**, evaluate aftermarket options carefully to balance cost and quality. Always **verify the seller s reputation** and **inspect the part** before purchasing to avoid counterfeit or damaged goods.

Details:

Part number must match. American Express. Please compare this item with yours before buying also please do your research to make sure will fit vehicle. Shipping Discount to following states: CA, WA, OR, ID, NV, UT, AZ, NM.

Also, some zip codes are out of service area and orders may be cancelled.

part #: 4k5807511c prices

• $431.10-$549.00

specifications frontbumperus:

• for models: A6, S6
• for makes: Audi
• for years: 2018-2020
• mpn: 4k5807511c
• part type: Line Bumper

seller frontbumperus:

• # reviews: 9661
• city: San Fernando, California
• rating: 100.0%

shipping frontbumperus:

• type: Fixed
• service: Flat Rate Freight
• class: Freight
• cost: $199.00

general frontbumperus:

• condition: Used
• Exterior Parts Accessories > Bumpers Components > Bumpers Reincements

payments frontbumperus:

• other
• credit card: Mastercard
• cash
• wallet: Paypal

offer frontbumperus:

• quantity: 1
• started: May 9, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns frontbumperus:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

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