1. Emblems & Ornaments Offered
  2. sku: 20669037286501891
  3. AUDI 4M8-071-802

AUDI 4M8-071-802 Sign

fits make: Audi.

4m8-071-802 Audi Genuine Sign

( Manufacturer Part Number: 4M8-071-802 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review AUDI Genuine Sign

The **Audi 4M8-071-802** is a high-quality, precision-engineered **original equipment manufacturer (OEM) replacement headlight lens assembly** designed exclusively for select Audi models equipped with the **M8 halogen or H7 halogen bulb** headlight system. This component is a direct fitment replacement for the factory-installed headlight lens, ensuring seamless integration with the vehicle s electrical and mechanical systems while maintaining the original aesthetic and functionality. Crafted from durable, UV-resistant polycarbonate, the lens is engineered to resist yellowing, cracking, or degradation over time, even under prolonged exposure to harsh environmental conditions such as intense sunlight, moisture, or temperature fluctuations. The **4M8-071-802** features a **matte black finish** with subtle **Audi-branded styling cues**, including the iconic **four-ring logo** and precise alignment with the vehicle s headlight housing, guaranteeing a factory-like appearance that enhances both the vehicle s performance and its premium resale value.

Beyond its visual appeal, this headlight assembly incorporates **advanced optical engineering** to optimize light distribution, ensuring superior visibility on the road while adhering to regulatory standards for headlight beam patterns. The lens is designed to work in tandem with the vehicle s **halogen or H7 bulb system**, providing a bright, crisp illumination that reduces glare for oncoming drivers while maintaining compliance with local traffic laws. The **4M8-071-802** is also compatible with **aftermarket bulb upgrades**, such as **high-performance halogen bulbs or LED retrofit kits**, allowing owners to enhance their lighting output without compromising safety or fitment. Whether used as a direct replacement for a damaged or worn-out original lens or as part of a comprehensive headlight restoration project, this component delivers **unmatched durability, clarity, and reliability**, making it an essential upgrade for Audi enthusiasts seeking to preserve their vehicle s original design integrity while improving functionality.

For optimal performance, the **4M8-071-802** is recommended for use in conjunction with **OEM-grade wiring harnesses, sockets, and mounting brackets**, ensuring a secure and corrosion-free installation. This lens assembly is particularly well-suited for Audi models such as the **A4 (B8), A6 (C7), Q5 (F5), and other select vehicles** equipped with the **M8 halogen headlight system**, though compatibility should always be verified against the vehicle s specific model year and trim level. With its **precise fit, superior optical quality, and long-term durability**, the **Audi 4M8-071-802** headlight lens assembly represents a **cost-effective, high-performance solution** for drivers looking to restore or enhance their Audi s lighting system with confidence.

### **Pros and Cons of Buying an Audi 4M8-071-802 (Original Equipment Manufacturer - OEM) Part**

The **Audi 4M8-071-802** is a **brake master cylinder** (BMC) used in several Audi models, particularly those with **hydraulic brake systems** (e.g., early A4, A6, TT, and some S-line models). Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros of Buying an OEM Audi 4M8-071-802**

1. **Perfect Fit and Functionality**

- The **OEM part is designed specifically for your vehicle s make and model**, ensuring an exact fit in terms of mounting, wiring, and hydraulic connections. Aftermarket parts may require modifications or additional adapters.

- It maintains the **original braking performance**, including pedal feel, brake response, and hydraulic pressure distribution.

2. **High-Quality Materials and Durability**

- Audi uses **high-grade steel, corrosion-resistant coatings, and precision-engineered components** in OEM parts, which are built to last the lifespan of the vehicle under normal conditions.

- The **seals and internal components** are designed to withstand Audi s strict quality standards, reducing the risk of early failure compared to cheaper aftermarket alternatives.

3. **Warranty Coverage**

- Purchasing from an **authorized Audi dealer or a reputable OEM supplier** often includes a **factory-backed warranty** (typically 12 60 months, depending on the seller). This provides peace of mind against defects.

- Aftermarket parts usually come with **limited warranties (if any)**, which may not cover labor or additional issues arising from installation.

4. **Compatibility with Original Systems**

- The **hydraulic specifications (pressure, fluid type, and system integration)** are optimized for your vehicle s braking system. Using a non-OEM part could lead to **inconsistent braking performance or damage to other components** (e.g., brake lines, calipers).

- Some aftermarket parts may not be **bleedable** with the same efficiency, leading to air in the system and reduced braking effectiveness.

5. **Resale Value and Originality**

- If you plan to **keep the vehicle long-term or sell it later**, using OEM parts helps maintain its **original condition and value**. Buyers often prefer vehicles with original components.

- Some **classic or high-end Audi models** (e.g., S4, RS4, or early turbocharged engines) hold value better when fully stock.

6. **Easier Troubleshooting and Diagnostics**

- Since the part is **factory-tested and documented**, mechanics familiar with your model can **quickly diagnose and service** it without guesswork.

- Aftermarket parts may require **additional research or adjustments**, increasing repair time and cost.

7. **Avoiding Voiding Warranty (If Applicable)**

- If your vehicle is still under **factory warranty**, installing a non-OEM part may **void certain coverage**. Using an OEM replacement ensures warranty compliance.

8. **Superior Build Quality for High-Performance Models**

- In **sport-tuned or high-performance Audi models** (e.g., S-line, RS, or track-oriented vehicles), the OEM brake master cylinder is engineered for **higher pressure and durability**, which aftermarket parts may not match.

---

### **Cons of Buying an OEM Audi 4M8-071-802**

1. **Higher Cost**

- OEM parts are **significantly more expensive** than aftermarket alternatives. Prices typically range from **$200 $400 **, depending on the supplier and model year.

- Aftermarket equivalents (e.g., from **Fel-Pro, ACDelco, or Bosch**) can cost **$50 $150**, making them a more budget-friendly option for basic replacements.

2. **Longer Lead Times**

- OEM parts, especially from **authorized dealers**, may have **extended lead times** due to inventory constraints or ordering from Audi s supply chain.

- Aftermarket parts are usually **in stock immediately** at most auto parts stores.

3. **Potential Overkill for Basic Repairs**

- If the brake master cylinder is failing due to **normal wear (e.g., 100,000 miles)**, an OEM replacement may be **more than necessary**. In such cases, a **high-quality aftermarket part** with a good warranty (e.g., **Fel-Pro or ATE**) could suffice.

- For **minor leaks or internal wear**, some mechanics recommend **rebuilding the existing unit** instead of full replacement, which is cheaper than buying an OEM part.

4. **Limited Customization Options**

- Unlike aftermarket parts, OEM brake master cylinders **do not offer performance upgrades** (e.g., higher pressure ratings for track use or custom brake fluid compatibility).

- If you re modifying your vehicle for **track use or aggressive driving**, aftermarket high-performance BMCs (e.g., **Ateco or Brembo**) may be more suitable.

5. **Potential for Counterfeit OEM Parts**

- When purchasing from **third-party sellers (e.g., eBay, Amazon, or uncertified online marketplaces)**, there is a risk of receiving **counterfeit or refurbished parts** that may not meet OEM standards.

- Always buy from **authorized Audi dealers, RockAuto, or trusted OEM suppliers** to avoid this issue.

6. **Installation May Require Professional Help**

- While the part itself is easy to install, **bleeding the brake system properly** is critical. Some mechanics charge extra for **full brake system flushing and bleeding**, adding to the cost.

- Aftermarket parts may sometimes be **easier to install** if they come with clear instructions or adapters.

7. **Environmental and Ethical Concerns (Refurbished Parts)**

- Some OEM parts sold as "new" may actually be **refurbished or reconditioned**, which raises questions about **recycling and ethical sourcing**.

- If sustainability is a concern, aftermarket parts (especially those made from recycled materials) may be a more eco-friendly choice.

---

### **Conclusion**

The **Audi 4M8-071-802 OEM brake master cylinder** is a **superior choice** for owners who prioritize **fitment, reliability, warranty coverage, and long-term vehicle integrity**. It is ideal for:

- **Restoring a vehicle to factory specifications** (e.g., for resale or classic car preservation).

- **High-mileage or performance-oriented Audi models** where consistency and durability are critical.

- **Owners who want to avoid warranty issues** (if applicable).

- **Those who prefer professional-grade parts** and are willing to pay for them.

However, if you are on a **tight budget, need a quick replacement, or are replacing the part due to minor wear**, an **aftermarket part from a reputable brand** (e.g., **Fel-Pro, ACDelco, or ATE**) may be a more practical alternative. Aftermarket parts offer **cost savings, faster availability, and sometimes comparable quality** for basic repairs.

For **track use, aggressive driving, or high-performance applications**, consider **specialized aftermarket BMCs** that offer performance enhancements beyond the OEM specification.

---

### **Final Recommendation**

- **Buy OEM (4M8-071-802) if:**

- You want the **best possible fit and longevity** for your Audi.

- Your vehicle is **high-value, modified, or under warranty**.

- You prioritize **warranty coverage and originality**.

- You are **restoring or maintaining a classic or luxury model**.

- **Consider Aftermarket if:**

- You need a **budget-friendly replacement** for basic wear.

- You require **faster availability** and don t mind slightly lower quality.

- You are **modifying the vehicle for performance** and want upgrades beyond OEM specs.

- The part is **not critical to warranty compliance**.

**Best Purchase Sources:**

- **OEM:** Authorized Audi dealers, **RockAuto, or AudiParts.com**.

- **Aftermarket:** **Fel-Pro, ACDelco, ATE, or local auto parts stores** (check for warranties).

Always **inspect the part upon arrival** (especially if buying online) and **follow proper brake bleeding procedures** to ensure optimal performance. If unsure, consult an **Audi-certified mechanic** before installation.

Details:

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. Genuine Audi Parts.

part #: 4m8071802 price

  • $131.03

specifications emblico:

  • for makes: Audi
  • mpn: 4m8-071-802
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement

offer emblico:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • started: February 14, 2026
  • sold: 0

general emblico:

  • condition: New
  • Car Truck Parts Accessories > Exterior Parts Accessories > Emblems Ornaments

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  • credit card: Mastercard
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shipping emblico:

  • type: Fixed
  • service: Standard
  • class: Standard
  • cost: $9.95
  • transit: 6-12 Days

seller emblico:

  • rating: 99.7%
  • # reviews: 322
  • city: Escondido, California

returns emblico:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for makes: audi, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement,
category: auto parts > car truck parts accessories > exterior parts accessories > emblems ornaments, sku: 20669037286501891,
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  • New. Offer #1 priced at $131.03 + $9.15 shipping estimate = $140.18* total. Audi Mid West ProductGenuine Audi Audi Sign .+$9.15 shipping

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