077-905-377-G AUDI Knock Sensor

Review AUDI Genuine Knock Sensor

The Audi 077-905-377-G knock sensor is a crucial component of your vehicle's engine management system designed to detect and prevent engine damage caused by detonation or pre-ignition. This sensor, manufactured by Audi Genuine Parts, is specifically engineered for Audi vehicles and ensures optimal engine performance.

The knock sensor is a small, compact device that is mounted on the engine, usually near the crankshaft. It uses a highly sensitive accelerometer to detect even the slightest vibrations or knocking sounds in the engine. This information is then transmitted to the engine control unit (ECU), which adjusts the fuel injection and ignition timing to eliminate the cause of the knocking sound and prevent further damage.

The Audi 077-905-377-G knock sensor is a high-quality part, made to meet the stringent standards of Audi. It is designed to provide reliable and accurate detection of engine knocking, ensuring that your engine runs smoothly and efficiently. This sensor is essential for maintaining the longevity and peak performance of your engine, as it helps prevent costly repairs and damage caused by engine knocking.

Installing the Audi 077-905-377-G knock sensor is a straightforward process. It is recommended to have the installation performed by a certified Audi technician to ensure proper installation and accurate calibration. The sensor comes with all necessary hardware for installation, making it a convenient and hassle-free solution for keeping your engine in top condition.

In summary, the Audi 077-905-377-G knock sensor is a vital component of your vehicle's engine management system. It is designed to detect and prevent engine damage caused by detonation or pre-ignition, ensuring optimal engine performance and longevity. This high-quality part is specifically engineered for Audi vehicles and is recommended for installation by a certified Audi technician.

1. Improved Engine Performance: A faulty knock sensor can lead to poor engine performance, misfiring, and even engine damage. Replacing it with a new one can help restore proper engine functioning.

2. Smoother Driving Experience: A knock sensor ensures the engine runs efficiently and smoothly. Replacing a faulty one can help reduce vibrations and improve overall driving comfort.

3. Enhanced Engine Protection: A knock sensor helps protect the engine from damage caused by detonation or pre-ignition. By ensuring the engine runs optimally, a new knock sensor can help extend the engine's life.

1. Cost: Replacing a knock sensor can be an expensive repair, especially for high-end vehicles like Audi. The cost of the sensor itself, as well as labor and diagnostic fees, can add up.

2. Labor Costs: The labor costs associated with replacing a knock sensor can be significant, especially if you're not doing it yourself. Shops may charge an hourly rate for diagnosis and installation.

3. Potential for Additional Repairs: A faulty knock sensor could be a symptom of a larger underlying issue. Replacing the sensor alone may not resolve the problem, and additional repairs may be necessary.

Replacing an Audi 077-905-377-G knock sensor can offer significant benefits, including improved engine performance, smoother driving experience, and enhanced engine protection. However, the cost and potential for additional repairs can be drawbacks. If you're experiencing issues with your engine, it's essential to diagnose the problem correctly and consider the potential costs before making a decision.

If you're confident in your diagnostic skills and comfortable with the installation process, consider purchasing the Audi 077-905-377-G knock sensor yourself and installing it yourself to save on labor costs. Otherwise, it may be worth getting a professional diagnosis and quote to determine the best course of action. Ultimately, the decision to replace the sensor depends on the severity of the issue and your budget.

Details:

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

Cl # 3,4,7 8. Genuine Audi parts.

specifications ignitioncomp:

• brand: Audi
• mpn: 077-905-377-g
• part type: Sensor
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• year: 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
• parts included: Only Part Reference 7 On The Diagram Is Included
• replaces part number: 077-905-377-e, 079-905-376-b

seller ignitioncomp:

• # reviews: 4167
• city: henderson, nevada
• rating: 96.7%

returns ignitioncomp:

• policy: returns accepted
• paid by: buyer
• time: 30 days

offer ignitioncomp:

• sold #: 23
• availability: in stock
• started: july 11, 2025
• options: ship-to-home
• prices: $93.80–$103.94
• item condition:
  • Used
  • New
• in stock #: 5

payments ignitioncomp:

• other
• wallet: apple-pay
• credit card: diners-club

shipping ignitioncomp:

• class: standard
• service: standard
• transit: 5-9 days
• type: fixed

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components