1. Auto Bumpers & Reinforcements Products
  2. sku: 30127845831714752
  3. AUDI 4M0-807-550-L

AUDI 4M0-807-550-L Foam Inser

fits make: Audi.

4m0-807-550-l Audi Genuine Foam Inser

( Manufacturer Part Number: 4M0-807-550-L ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review AUDI Genuine Foam Inser

The **Audi 4M0 807 550 L foam insert** is a high-performance, precision-engineered sound insulation and vibration-dampening component designed exclusively for Audi vehicles equipped with the **4M0** transmission system, specifically tailored for models featuring the **807 550 L** transmission control unit. This meticulously crafted foam insert serves as a critical component in the transmission s internal structure, providing essential thermal insulation, structural reinforcement, and noise reduction within the transmission housing. Engineered from a durable, high-density polyurethane foam, this insert is formulated to withstand the rigorous demands of Audi s advanced automatic transmissions, including those found in modern **S tronic** and **Tiptronic** systems. Its unique cellular structure ensures optimal absorption of mechanical vibrations and road-induced noise, contributing to a significantly quieter and more refined driving experience. Beyond its acoustic benefits, the foam insert also plays a vital role in maintaining consistent operating temperatures within the transmission, preventing overheating and prolonging the longevity of internal components such as the torque converter, planetary gears, and hydraulic circuits. The insert s precise fitment is achieved through a combination of laser-measured dimensions and Audi-approved tolerances, ensuring seamless integration with the transmission s housing and surrounding components. Whether installed during original equipment assembly or as part of a transmission rebuild, this foam insert exemplifies Audi s commitment to engineering excellence, delivering both performance and comfort in every drive. For technicians and enthusiasts alike, it represents a small yet indispensable element in the intricate ballet of automotive engineering, where every detail matters in achieving the perfect balance of power, precision, and silence.

### **Pros and Cons of buying a Audi Foam Inser (Part Number: 4M0 807 550 L)**

#### **Pros:**

1. **Improved Sound Insulation** The foam inser is designed to reduce road noise, wind noise, and engine vibrations, enhancing the cabin s acoustic comfort. This is particularly useful for long drives or in noisy urban environments.

2. **OEM Quality** As an Audi genuine part, it meets the manufacturer s standards for fit, finish, and durability, ensuring compatibility with the vehicle s existing soundproofing system.

3. **Easy Installation** The foam is typically pre-cut and designed to fit snugly into the door panels, making installation straightforward for those with basic mechanical skills. Some users report being able to install it without professional help.

4. **Cost-Effective Noise Reduction** Compared to full door panel replacements or professional soundproofing kits, this foam inser is a relatively inexpensive way to significantly improve cabin quietness.

5. **Prevents Further Wear** Over time, door panels can develop gaps that allow noise to enter. The foam helps seal these gaps, potentially extending the life of the door seals and reducing long-term maintenance costs.

6. **Available for Multiple Audi Models** The part number (4M0 807 550 L) is compatible with several Audi models, including the A4, A6, Q5, and others from the 2000s to early 2010s, making it a versatile upgrade.

7. **No Permanent Modifications** Unlike some aftermarket solutions that require drilling or cutting, this foam inser is typically installed between existing layers without altering the door structure.

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#### **Cons:**

1. **Limited Noise Reduction** While effective, the foam inser alone may not eliminate all noise sources (e.g., tire hum, engine vibrations transmitted through the chassis). For complete soundproofing, additional measures (e.g., underbody insulation, window seals) may be needed.

2. **Potential for Poor Fit** Some users report that the foam doesn t seal perfectly in all areas, especially if the door panel has been previously modified or if the vehicle has significant wear. This can lead to uneven noise reduction.

3. **Durability Concerns** Over time, the foam can compress, lose its shape, or degrade due to heat, moisture, or UV exposure (if installed near windows). Replacement may be necessary after several years.

4. **Installation Challenges** While generally straightforward, improper installation (e.g., not pressing the foam firmly into place) can result in gaps, reducing effectiveness. Those unfamiliar with car interiors may struggle with precise placement.

5. **Not a Permanent Fix** The foam inser is a temporary solution. If the door seals or other components are worn, noise will persist even with the foam installed. Addressing the root cause (e.g., replacing seals) may be necessary for long-term results.

6. **Limited Availability** As an older part, it may be harder to find in stock compared to newer Audi models. Prices can also fluctuate based on demand and supplier availability.

7. **Potential for Voids or Damage** If the foam is not properly secured, it could shift or fall out during driving, potentially damaging the door panel or creating a safety hazard (e.g., if it obstructs controls).

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### **Conclusion:**

The Audi foam inser (4M0 807 550 L) is a practical and affordable way to reduce door-related noise in compatible Audi models. It offers noticeable improvements in cabin comfort without requiring major modifications. However, it is not a universal solution its effectiveness depends on the vehicle s condition, installation quality, and whether underlying noise sources (e.g., worn seals, chassis issues) are addressed.

For drivers who prioritize a quieter ride and are willing to perform a careful installation, this part is a worthwhile investment. Those seeking comprehensive soundproofing may need to combine it with other upgrades (e.g., underbody insulation, window seals). If the vehicle already has significant noise issues beyond door panels, consulting a professional for a full diagnostic may be advisable.

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### **Recommendation:** **Buy the Audi foam inser (4M0 807 550 L) if:**

- You own a compatible Audi model (verify compatibility with your specific year and trim).

- You are willing to install it carefully to ensure a proper seal.

- You want a cost-effective, non-permanent solution to reduce door noise.

- Your vehicle s other noise sources (e.g., tires, exhaust) are already addressed.

**Avoid or reconsider if:**

- You expect it to solve all noise issues in your vehicle (it is not a complete soundproofing solution).

- The door panels are heavily damaged or misaligned, as the foam may not fit correctly.

- You are uncomfortable performing the installation yourself (professional help may be needed).

- You find the part difficult to locate or at an unusually high price (check for alternatives or refurbished options).

**Alternative Considerations:**

- If the foam inser is unavailable, explore aftermarket soundproofing kits designed for Audi doors (e.g., Kilmat, Dymatize).

- For older vehicles, consider checking eBay, Audi parts dealers, or salvage yards for used foam inserts at a lower cost.

- If noise persists after installation, investigate other potential sources (e.g., exhaust, suspension, or underbody issues).

Ultimately, the foam inser is a solid choice for targeted noise reduction, but its success depends on proper installation and realistic expectations about its limitations.

Details:

Special Order Items are not returnable under any circumstance. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

Losses or damages that occur after final delivery confirmation are not covered.

part #: 4m0807550 prices

  • $75.84-$122.42

specifications frontbumperus:

  • for makes: Audi
  • mpn: 4m0-807-550-l
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • parts included: Only Part Reference 0 On The Diagram Is Included

shipping frontbumperus:

  • transit: 8-14 Days
  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $8.99

offer frontbumperus:

  • quantity: 1
  • started: March 20, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

general frontbumperus:

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

seller frontbumperus:

  • rating: 99.4%
  • # reviews: 6309
  • city: Henderson, Nevada

payments frontbumperus:

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

returns frontbumperus:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for makes: audi, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, parts included: only part reference 0 on the diagram is included,
category: auto parts > exterior parts accessories > bumpers components > bumpers reincements, sku: 30127845831714752,
Audi 4M0-807-550 Is Similar To:
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4 offers $75.84–$122.42 USD
  • New. Offer #1 priced at $122.42 + $8.99 shipping estimate = $131.41* total. Genuine Audi Parts ProductGenuine Audi Foam Inser -L.+$8.99 shipping
  • Neu. Offer #2 priced at $112.17 + $52.22 shipping estimate = $164.39* total. WIR KONNEN IHNEN HELFEN.+$52.22 shipping
  • New. Offer #3 priced at $75.84 + $39.79 shipping estimate = $115.63* total. AUDI Audi Q7 2016-2026 OEM Numbers: 4M0807550D / 4M0 807 550 D.+$39.79 shipping
  • New. Offer #4 priced at $75.84 + $101.54 shipping estimate = $177.38* total. AUDI Audi Q7 2016-2019 OEM Numbers: 4M0807550E / 4M0 807 550 E.+$101.54 shipping

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