AUDI 4G0399315K Front Crossmember Cradle

( Manufacturer Part Number: 4G0399315K ), ( Type: Subframe ), ( Manufacturer Warranty: 1 Month ), ( Color: Black ), ( Vintage Part: No ), ( Country Of Origin: Germany ), ( Placement On Vehicle: Front )

Review AUDI Front Subframe Crossmember Support Cradle 4g0399315 Oem fits A6 S6 A7 S7 2012–2018

The **Audi 4G0399315K** is a high-quality, precision-engineered front crossmember cradle designed specifically for Audi models spanning the **A6 (C6), S6, A7 (8L), and S7 (8L) generations**, covering the production years from **2011 to 2018**. This component is a critical structural element of the vehicle s front suspension and underbody architecture, ensuring optimal alignment, rigidity, and load distribution between the engine bay and the chassis. Crafted from **high-strength steel**, the crossmember is built to withstand the demanding forces of daily driving, including road vibrations, braking loads, and suspension dynamics, while maintaining dimensional accuracy and durability. Its robust construction minimizes flexing, which is essential for preserving the integrity of the steering, suspension, and exhaust systems, all of which are mounted or supported by this component.

The **4G0399315K** is meticulously designed to fit seamlessly within Audi s advanced **quattro all-wheel-drive system**, providing a stable foundation for the front axle and ensuring proper spacing for the **S truss, subframe, and exhaust manifold brackets**. Its precise fitment is further enhanced by **laser-cut contours and welded reinforcements**, which prevent premature wear and corrosion common issues in aftermarket replacements. This part is particularly critical for maintaining the vehicle s handling characteristics, as even minor misalignments can lead to uneven tire wear, steering imprecision, or excessive noise and rattles. Whether installed during a full suspension refresh, a crash repair, or a routine maintenance overhaul, the **4G0399315K** delivers the structural integrity and compatibility expected from an **OEM Audi part**, ensuring long-term reliability and performance.

For technicians and enthusiasts seeking a **direct-fit, no-compromise solution**, this crossmember cradle is an indispensable upgrade or replacement option. Its **universal applicability** across multiple Audi models makes it a cost-effective choice for workshops servicing a diverse fleet, while its **factory-grade quality** guarantees compatibility with Audi s advanced manufacturing standards. Whether restoring a classic A6 to its original specifications or ensuring the longevity of a modern S7, the **4G0399315K** stands as a testament to Audi s engineering precision delivering both form and function in a single, robust component.

### **Pros and Cons of buying a Audi 4G0399315K (2012 2018 A6 S6 S7 Front Crossmember Cradle)**

#### **Pros**

1. **OEM Quality and Fitment**

- This part is a genuine Audi replacement, ensuring a perfect fit with no modifications required. It is designed to match the original specifications of the A6 (C7), S6, and S7 models from 2012 to 2018, reducing the risk of alignment or handling issues.

2. **Durability and Longevity**

- Audi uses high-grade materials in its structural components, including reinforced steel and precision-welded joints. This part is built to withstand the stresses of high-performance driving, reducing the likelihood of premature failure.

3. **Compatibility with Aftermarket Upgrades**

- Since this is an OEM part, it is fully compatible with aftermarket suspension upgrades, lift kits, or performance modifications. Unlike generic aftermarket parts, it won t interfere with bolt patterns or mounting points.

4. **Warranty and Reliability**

- Purchasing from an authorized Audi dealer or a reputable supplier often comes with a warranty, providing peace of mind against manufacturing defects. OEM parts are less likely to fail compared to cheaper alternatives.

5. **Aesthetic and Functional Integrity**

- The part maintains the original styling cues of the Audi, ensuring the vehicle retains its premium appearance. It also supports the structural integrity of the front end, which is critical for safety and handling.

6. **Easier Installation**

- Being an exact replacement, this part simplifies the installation process. Mechanics familiar with Audi vehicles will find it straightforward to fit, reducing labor time and potential errors.

7. **Long-Term Cost Savings**

- While the upfront cost may be higher than aftermarket alternatives, the durability and reliability of an OEM part can save money in the long run by avoiding repeated replacements or damage to surrounding components.

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#### **Cons**

1. **Higher Upfront Cost**

- OEM parts are significantly more expensive than aftermarket alternatives. The price of the **4G0399315K** can range from **$500 to $1,200 **, depending on the supplier and model year. This can be a substantial investment for owners on a tight budget.

2. **Limited Availability and Lead Times**

- OEM parts, especially for older Audi models, may not be readily available at all local dealers. Some suppliers may require pre-ordering, leading to longer wait times compared to aftermarket options.

3. **Potential for Overkill for Non-Performance Applications**

- If the vehicle is not heavily modified or used for aggressive driving, the robust construction of this part may be unnecessary. For standard daily drivers, a slightly less expensive aftermarket alternative might suffice without sacrificing quality.

4. **Weight Considerations**

- Audi s structural components are heavy due to their reinforced design. While this enhances safety, it may slightly reduce fuel efficiency or handling responsiveness in lighter vehicles.

5. **Potential for Counterfeit Parts**

- When purchasing from third-party sellers (e.g., eBay, Amazon, or uncertified suppliers), there is a risk of receiving a counterfeit or refurbished part. Always verify the seller s reputation and part authenticity to avoid this issue.

6. **Installation Complexity for DIYers**

- While the part fits perfectly, replacing a front crossmember cradle may require specialized tools, lifting equipment, and mechanical expertise. DIY enthusiasts without experience may find the job challenging and time-consuming.

7. **Environmental and Ethical Concerns**

- OEM parts often come from manufacturing processes with higher environmental impact compared to some aftermarket alternatives. However, this is more of a general concern than a direct drawback to the part itself.

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### **Conclusion**

The **Audi 4G0399315K (2012 2018 A6 S6 S7 Front Crossmember Cradle)** is a high-quality, reliable, and precise replacement part that ensures optimal fitment and performance for Audi enthusiasts. Its advantages in durability, compatibility, and structural integrity make it an excellent choice for those prioritizing long-term reliability and maintaining the vehicle s original specifications.

However, the **higher cost, potential lead times, and complexity of installation** may deter budget-conscious buyers or those who prefer simpler replacements. If the vehicle is heavily modified or used for performance driving, the investment is justified. For standard applications, a well-reviewed aftermarket alternative (e.g., from **MagnaFlow, Eibach, or a trusted Audi specialist**) could offer a cost-effective compromise without sacrificing too much quality.

---

### **Recommendation**

- You prioritize **long-term reliability, exact fitment, and structural integrity**.

- Your vehicle is **modified or used for performance driving**.

- You have access to **authorized Audi dealers or reputable suppliers** to avoid counterfeit parts.

- Budget is not a limiting factor, and you want to **preserve the vehicle s value and originality**.

- You are on a **tight budget** and can find a **high-quality, well-reviewed aftermarket part** (e.g., from **MagnaFlow, Eibach, or a specialist like BBS or H&R**).

- The vehicle is a **daily driver with no aggressive modifications**.

- You are comfortable **researching and verifying the part s compatibility** before purchasing.

**Final Tip:** Always source the part from a **verified supplier** (e.g., **Audi Parts Center, RockAuto, or a trusted local Audi specialist**) to ensure authenticity and avoid counterfeit items. If in doubt, consult a mechanic familiar with Audi vehicles to confirm the best option for your specific application.

Details:

It has been tested before removal and shows normal wear for a used part. Perfect for 2012 2017 model's, this OEM quality module ensures a reliable fit. These items can only be shipped to a COMMERCIAL address with an available dock or forklift for unloading. Most questions are answered within a couple of hours. This Audi A4/Q5 front left door window control module part number 8K0 959 793 R is in good working condition.

part #: 4g0399315k prices

• $394.99-$1100.00

specifications mocycfra:

• for models: A6, S6, A7, S7
• for makes: Audi
• for years: 2012-2018
• mpn: 4g0399315k
• type: Subframe
• manufacturer warranty: 1 Month
• color: Black
• vintage part: No
• country of origin: Germany
• placement on vehicle: Front

payments mocycfra:

• other
• wallet: Google-pay
• credit card: Discover

seller mocycfra:

• city: Yuba City, California
• rating: 99.8%
• # reviews: 7063

offer mocycfra:

• availability: In Stock
• started: March 25, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True

returns mocycfra:

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

shipping mocycfra:

• class: Freight
• service: Flat Rate Freight
• cost: $150.00
• type: Fixed

general mocycfra:

• condition: Used
• Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts

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