1. Acura Sensors For Sale
  2. sku: 5876144607961731
  3. API TECH 77NBYG

API SERVICE TECH 77NBYG Knock Sensor Base K20A3

fits model: Rsx. make: Acura. year: 2002–2006.

77nbyg Api Service Tech Knock Sensor Fits Acura Rsx 2002-2006 K20a3 Base

( Brand: Api Service Tech ), ( Manufacturer Part Number: 77NBYG ), ( Part Type: Sensor ), ( Engine: K20a3 ), ( Trim: Base ), ( Compatible Make/model: Acura Rsx ), ( Compatible Years: 2005 2002 2003 2004 2006 05 02 03 04 06 ), ( Fitment Info: Service Tech ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review API SERVICE TECH Knock Sensor Acura Base fits RSX 2002–2006

Introducing the API Service 77NBYG Knock Sensor, specifically designed for Acura RSX models with the K20A3 engine from the years 2002 to 2006. This knock sensor is an essential component of your vehicle's engine management system, responsible for monitoring engine operation and detecting any potential engine knocking or pinging.

The 77NBYG sensor is a high-quality aftermarket replacement part, manufactured to meet or exceed the original equipment specifications. It is meticulously engineered using advanced materials and manufacturing processes to ensure reliability and durability. The sensor housing is made from a robust, corrosion-resistant material, while the internal components are designed to withstand the harsh conditions of your engine bay.

This API Service 77NBYG knock sensor features a precision-tuned design to accurately detect engine knocking and pinging, enabling your vehicle's engine control unit (ECU) to adjust fuel injection, ignition timing, and other parameters to maintain optimal engine performance. It also includes a built-in self-diagnostic function, which continuously monitors the sensor's condition and alerts you of any potential issues, allowing for timely maintenance and repairs.

Installing the 77NBYG knock sensor is a straightforward process, making it an ideal choice for both professional technicians and DIY enthusiasts. The sensor comes with a clear and concise installation guide, detailing every step of the process. Additionally, the sensor is compatible with most diagnostic tools, allowing you to quickly and easily verify its functionality after installation.

By choosing the API Service 77NBYG Knock Sensor for your Acura RSX, you can enjoy the peace of mind that comes with knowing your engine is being monitored by a high-performance, reliable, and durable sensor. So, if you're in the market for a new knock sensor for your K20A3 engine, look no further than the 77NBYG. Make the investment today, and enjoy the confidence that comes with knowing your vehicle's engine is performing at its best.

Buying an aftermarket knock sensor, specifically the API Service 77NBYG for Acura RSX models (2002-2006 with K20A3 base), comes with both advantages and disadvantages. Below, we'll discuss each in detail to help you make an informed decision.

Advantages:

1. Improved Engine Performance: A faulty knock sensor can lead to reduced engine performance and even engine damage. Replacing it with a high-quality aftermarket option like the API Service 77NBYG can help restore your engine's performance and ensure optimal operation.

2. Cost-Effective: Purchasing an aftermarket knock sensor can be more budget-friendly compared to buying a new original equipment manufacturer (OEM) part. Aftermarket sensors often come at a lower price point without compromising the essential functionality.

3. Enhanced Durability: Aftermarket sensors are typically designed to be more robust and long-lasting than their OEM counterparts. The API Service 77NBYG is known for its durability, which can save you from the hassle and expense of frequent replacements.

Disadvantages:

1. Potential for Incompatibility: While the API Service 77NBYG is designed to fit various Acura models, there's always a slight risk of compatibility issues. It's essential to double-check the sensor's specifications against your vehicle's before making a purchase.

2. Lack of OEM Warranty: Aftermarket parts, including knock sensors, do not come with original equipment manufacturer (OEM) warranties. This means that if the sensor fails after installation, you may be responsible for footing the bill for a replacement.

3. Quality Variability: The quality of aftermarket parts can vary significantly. Although the API Service 77NBYG is a reputable option, it's essential to ensure that you're purchasing the sensor from a trusted supplier to minimize the risk of receiving a faulty or subpar product.

Conclusion:

In conclusion, purchasing an aftermarket knock sensor like the API Service 77NBYG for your Acura RSX (2002-2006 K20A3 base) can offer improved engine performance, cost savings, and enhanced durability. However, there's a risk of potential compatibility issues, lack of OEM warranty, and quality variability. To mitigate these risks, ensure that you double-check the sensor's compatibility, purchase from a trusted supplier, and consider the potential benefits and drawbacks before making a decision.

Recommendation:

If you decide to proceed with purchasing the API Service 77NBYG knock sensor for your Acura RSX, make sure to confirm its compatibility with your specific vehicle model and year. Additionally, buy the sensor from a reputable supplier with positive customer reviews and a return policy to minimize the risk of receiving a faulty product.

Details:

12 Month Warranty. API SERVICE TECH Knock Sensor fits Acura RSX 2002 - 2006 K20A3 Base 77NBYG: Brand: condition: New Product Specifications Connector Shape: Oval. Connector Gender: Female. Detailed Applications Years: Vehicle: Sub model: Engine: 2002 - 2006 Acura RSXBaseK20A3.

part #: 77nbyg prices

  • $29.08-$35.94

specifications acrasensor:

  • for models: Rsx
  • for makes: Acura
  • for years: 2002-2006
  • brand: Api Service Tech
  • mpn: 77nbyg
  • part type: Sensor
  • engine: K20a3
  • trim: Base
  • compatible make/model: Acura Rsx
  • compatible years: 2005 2002 2003 2004 2006 05 02 03 04 06
  • fitment info: Service Tech
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

payments acrasensor:

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

returns acrasensor:

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

general acrasensor:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Air Intake Fuel Sensors

seller acrasensor:

  • rating: 99.1%
  • city: Port Washington, New York
  • # reviews: 23463

offer acrasensor:

  • options: Ship-to-home
  • started: March 27, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 4

shipping acrasensor:

  • cost: $0.00
  • type: Fixed
  • transit: 4-7 Days
  • service: Economy
  • class: Economy
for models: rsx, for makes: acura, for years: 2002-2006, part type: sensor, engine: k20a3, trim: base, compatible make/model: acura rsx, compatible years: 2005 2002 2003 2004 2006 05 02 03 04 06, fitment info: service tech, manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > air fuel delivery > acura air intake fuel sensors, sku: 5876144607961731,
Api Service Tech 77NBYG Is Similar To:
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5 offers $29.08–$35.94 USD
  • New. Offer #1 priced at $35.94 + $0.00 shipping estimate = $35.94* total. Connector Shape: Oval. 2002-2006 Acura RSX Base .FREE SHIPPING
  • New. Offer #2 priced at $31.20 + $0.00 shipping estimate = $31.20* total. Vehicle Sub Model Engine. Notes: Ignition Knock (Detonation) Sensor.FREE SHIPPING
  • New. Offer #3 priced at $29.08 + $0.00 shipping estimate = $29.08* total. FREE SHIPPING
  • New. Offer #4 priced at $30.67 + $0.00 shipping estimate = $30.67* total. Notes: SERVICE TECH.FREE SHIPPING
  • New. Offer #5 priced at $56.20 + $0.00 shipping estimate = $56.20* total. Position: Front Right. 2003 Honda Civic Si.FREE SHIPPING

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