AUDI 06M906A04 Fuel Injector High Pressure Harness Plug Set 6M906036S RS5 2.9L

( Manufacturer Part Number: 06M906A04 ), ( Type: Direct ), ( Ipn: 6m906036s )

Review AUDI Rs5 Fuel Injector Direct Petrol High Pressure Harness Plug Set 2.9l fits 2018–2019

The **Audi 06M906A04 High-Pressure Fuel Injector Harness Plug Set (2018 2019 RS5 2.9L)** is a precision-engineered replacement component designed specifically for Audi s high-performance 2.9-liter twin-turbocharged V6 engine, found in the iconic RS5 model series. This meticulously crafted plug set is engineered to ensure seamless connectivity between the high-pressure fuel rail and the injectors, maintaining optimal fuel delivery under the extreme demands of high-performance driving. Constructed from high-grade, corrosion-resistant materials, the harness plugs are built to withstand the intense pressures and temperatures generated by the turbocharged engine, preventing leaks, ensuring reliable operation, and extending the lifespan of the fuel system. Each plug is designed with a secure, interference-fit connection that minimizes resistance while maximizing durability, a critical factor in maintaining the RS5 s legendary power output and responsiveness. The set includes all necessary components including the high-pressure connectors, gaskets, and protective seals to facilitate a clean, professional installation, reducing the risk of fuel leaks or performance degradation. Whether replacing worn-out original equipment or upgrading for enhanced reliability, this plug set is an essential component for maintaining the RS5 s peak performance, fuel efficiency, and longevity. Perfect for both professional mechanics and dedicated enthusiasts, it represents a direct, factory-matched solution for those seeking to preserve the integrity of their vehicle s fuel system.

### **Pros and Cons of buying a Audi 06M906A04 (2018-2019 RS5) High-Pressure Fuel Injector Harness Plug Set (2.9L)**

1. **Direct Fitment** This part is specifically designed for the 2018-2019 Audi RS5 (2.9L TFSI) and its derivatives (e.g., S5, S5 Performance). It ensures compatibility without modifications, reducing the risk of installation errors.

2. **High-Quality Materials** Audi s OEM parts are built to strict standards, ensuring durability and reliability. The harness plug set is designed to maintain proper electrical connections, preventing fuel delivery issues.

3. **Prevents Common Failures** The high-pressure fuel injector harness is a critical component in the direct-injection system. Worn or faulty plugs can lead to misfires, poor fuel atomization, or even engine damage. Replacing them proactively can avoid costly repairs.

4. **Supports Performance** A properly functioning fuel system ensures optimal fuel delivery, which is crucial for the RS5 s high-performance capabilities. This part helps maintain power output and efficiency.

5. **Warranty Coverage** If purchased from an authorized dealer or reputable aftermarket supplier, the part may come with a warranty, providing peace of mind against defects.

6. **Easier Maintenance** Replacing the harness plug set is a relatively straightforward job for a skilled mechanic or enthusiast, reducing downtime compared to more complex fuel system repairs.

7. **Compatibility with Upgrades** If you plan to modify your RS5 (e.g., forced induction, tuning), a fresh harness plug set ensures the fuel system can handle increased demands without failure.

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1. **Cost** OEM parts from Audi or authorized suppliers can be expensive, often costing **$100 $300 ** depending on the source. Aftermarket alternatives may be cheaper but may lack long-term reliability.

2. **Limited Availability** Finding the exact part number (06M906A04) may require ordering from a specialty supplier, which could involve shipping delays.

3. **Installation Complexity** While the job itself is manageable, accessing the fuel injectors in an RS5 requires removing the intake manifold, throttle body, and possibly the engine cover. This can be time-consuming and may require specialized tools.

4. **Potential for Counterfeit Parts** If buying from untrusted sellers (e.g., eBay, Amazon, or unscrupulous online marketplaces), there s a risk of receiving fake or substandard parts that could cause further issues.

5. **Diagnostic Uncertainty** If the symptoms (e.g., rough idle, check engine light, poor performance) are caused by something other than the harness plug (e.g., injectors, fuel pump, or wiring), replacing just the plugs may not resolve the issue, leading to wasted money.

6. **Environmental Concerns** Fuel system components are exposed to high pressures and corrosive fuel, so even new parts may degrade over time if not properly maintained.

7. **Alternative Solutions** In some cases, reconditioning existing injectors or replacing just the O-rings and seals (if the harness is still functional) could be a more cost-effective fix.

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The **Audi 06M906A04 high-pressure fuel injector harness plug set** is a **reliable, direct-fit solution** for maintaining or restoring proper fuel delivery in your 2018-2019 RS5. It is particularly justified if you re experiencing **fuel-related symptoms (misfires, poor acceleration, increased fuel consumption, or check engine codes like P0087, P0190, or P0191)**. However, it is not a universal fix diagnosing the root cause (e.g., injector failure, wiring issues, or fuel pressure problems) is essential before purchasing.

If your RS5 is **running well but you re performing maintenance or planning modifications**, replacing the harness plugs is a **proactive measure** to prevent future failures. If you re **already experiencing symptoms**, consider having a **fuel system diagnostic** (e.g., injector flow test, pressure check) to confirm if the harness is indeed the issue before buying.

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1. **Verify the Problem** Before purchasing, confirm that the harness plugs are the source of the issue. Use an **OBD-II scanner** to check for fuel-related codes (e.g., P0087, P0190, P0191) and perform a **fuel pressure test** or **injector flow test** if possible.

2. **Source the Part Wisely**

- **Best Option:** Buy from an **authorized Audi dealer** or a **trusted aftermarket supplier** (e.g., **RockAuto, Mopar Parts, or eBay from verified sellers**).

- **Budget Option:** Consider **aftermarket alternatives** (e.g., **Bosch or Delphi injectors with compatible harnesses**) if the OEM part is too expensive, but ensure they meet Audi s specifications.

- **Avoid:** Unbranded or "no-name" parts from unknown sellers.

3. **DIY vs. Professional Installation**

- If you have **mechanical experience and proper tools**, installing the harness plugs is a **manageable job** (requires removing the intake manifold, throttle body, and engine cover).

- If unsure, **have a trusted mechanic** perform the work to avoid damaging other components.

4. **Consider a Bundle** If you re replacing injectors, it may be more cost-effective to **buy a full set of injectors with harnesses** rather than just the plugs.

5. **Maintenance Tip** If your RS5 is **high-mileage or heavily modified**, consider **replacing the entire fuel system** (injectors, rails, seals) rather than just the plugs for long-term reliability.

- You have **confirmed fuel-related issues** and suspect harness degradation.

- You re **proactively maintaining** your RS5 to prevent future failures.

- You **source it from a reputable supplier** and **install it correctly**.

- You re unsure whether the harness is the actual problem.

- You can t confirm the part s authenticity or quality.

- You re on a tight budget and the issue may stem from another component.

For most **2018-2019 RS5 owners** experiencing **fuel delivery problems**, this is a **worthwhile investment** in the long run, provided the purchase and installation are done properly.

Details:

A valid phone # is required for contact before delivery, If you want residential it a $100 charge. 2018 19 AUDI RS5 FUEL INJECTOR DIRECT PETROL HIGH PRESSURE HARNESS PLUG SET 2.9L: FITMENT Year: Make: model: Notes: 2019 - 2019 AudiA8 Quarto, 2020 - 2020 AudiA8 2018 - 2018 AudiRS5, 2019 - 2019 AudiRS5, 2019 - 2019 AudiRS5 Sport back, 2020 - 2020 AudiS8.

part #: 06m906a04 prices

• $69.72-$450.00

specifications carfuelinjector:

• for makes: Audi
• for years: 2018-2019
• mpn: 06m906a04
• type: Direct
• ipn: 6m906036s

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: Used

returns carfuelinjector:

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

offer carfuelinjector:

• sold: 0
• best offers: True
• started: April 25, 2026
• availability: In Stock
• quantity: 5
• options: Ship-to-home

seller carfuelinjector:

• # reviews: 39149
• rating: 100.0%
• city: Lincoln, Nebraska

payments carfuelinjector:

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

shipping carfuelinjector:

• class: Standard
• cost: $0.00
• carrier: FedEx
• transit: 4-7 Days
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery

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