WALKER YJ273NC Upstream Oxygen Sensor

( Brand: Walker ), ( Manufacturer Part Number: YJ273NC ), ( Part Type: Sensor ), ( Placement On Vehicle: Upstream ), ( Manufacturer Warranty: 12 Month Warranty ), ( Info: Oe Replacement B1s1 ), ( Years: 1997 1998 1999 97 98 99 ), ( Fitment: Acura Cl Oxygen Sensor ), ( Cs-sku: 400 )

Review WALKER Upstream Oxygen Sensor Acura fits CL 1997–1999

The Walker YJ273NC Upstream Oxygen Sensor is a crucial component of the exhaust system in select 1997-1998 Acura CL models. Designed to meet or exceed original equipment specifications, this oxygen sensor ensures optimal engine performance and fuel efficiency.

This sensor is specifically designed for the upstream position in the exhaust system, monitoring the air-fuel mixture entering the engine combustion chamber. By measuring the amount of unburnt oxygen in the exhaust gases, the sensor provides real-time feedback to the engine control module (ECM), enabling it to adjust the fuel-air mixture for optimal combustion.

The Walker YJ273NC Upstream Oxygen Sensor is engineered with a heating element to improve cold-start emissions and ensure proper sensor functionality during engine warm-up. It features a ceramic sensing element, which provides excellent durability and long-lasting performance.

This sensor is also designed with a wide operating temperature range, ensuring reliable performance in various driving conditions. It also offers an easy-to-install design, with a connector that securely attaches to the wiring harness for hassle-free replacement.

By choosing the Walker YJ273NC Upstream Oxygen Sensor, you are investing in a high-quality, reliable replacement part that will help maintain the performance and efficiency of your Acura CL's engine. This sensor is manufactured to meet or exceed OE specifications, ensuring a perfect fit and precise function for your vehicle.

Upgrading the oxygen sensor on a 1997-1999 Acura CL with a Walker YJ273NC upstream oxygen sensor can have several advantages and potential disadvantages. Here's a detailed analysis:

1. Improved Fuel Efficiency: A faulty oxygen sensor can cause the engine to run rich or lean, which can negatively impact fuel efficiency. A new oxygen sensor ensures accurate oxygen readings, allowing the engine to maintain optimal fuel-air mixture, thus improving fuel efficiency.

2. Enhanced Engine Performance: An upgraded oxygen sensor provides more accurate data to the engine control unit (ECU), resulting in smoother engine performance and improved throttle response.

3. Enhanced Emissions Performance: The oxygen sensor plays a crucial role in the vehicle's emissions system. A faulty sensor can cause the vehicle to emit higher-than-allowed levels of pollutants. Installing a new oxygen sensor can help the vehicle meet emissions standards and potentially improve its emissions performance.

4. Reduced Check Engine Light: A faulty oxygen sensor can trigger the check engine light. Replacing the sensor with a new one can help turn off the check engine light and prevent potential issues related to the sensor malfunction.

1. Cost: Replacing an oxygen sensor with an aftermarket part like the Walker YJ273NC can save money compared to purchasing an original equipment manufacturer (OEM) part. However, the cost of the part and installation may still add up.

2. Potential for Faulty Parts: Aftermarket parts, including the Walker YJ273NC oxygen sensor, may not always be of the same quality as OEM parts. There is a risk of receiving a faulty part that may not work correctly or may fail prematurely.

3. Installation Complexity: Installing an oxygen sensor can be a complex process, especially for those without automotive experience. The process may require specialized tools and knowledge, which could add to the overall cost and time involved.

The decision to buy and install a Walker YJ273NC upstream oxygen sensor for a 1997-1999 Acura CL depends on several factors, including the vehicle's condition, the driver's budget, and their willingness to tackle the installation process themselves. If the vehicle is experiencing symptoms related to a faulty oxygen sensor, such as poor fuel efficiency, check engine light, or poor engine performance, replacing the sensor with a new one can provide significant benefits. However, it's essential to consider the potential risks, such as the cost of the part and installation, and the risk of receiving a faulty aftermarket part. Ultimately, if the benefits outweigh the risks, and the driver is comfortable with the installation process, upgrading the oxygen sensor with a Walker YJ273NC part can be a worthwhile investment.

Details:

Measures oxygen levels to fine-tune air-fuel mixture, improving fuel economy and saving costs. Sensor Type: Narrow-Band. Coating prevents contamination and erosion of the electrode surfaces by combustion residue particulates in exhaust gases. Vehicle Fitment Information, Vehicle Engine, 1998 - 1999 Acura CL2.3L 4 Cl, 1997 CL2.2L Cl.

Monitors exhaust gases and reduces pollutants for a Cleaner environment. Condition: New. Determines the oxygen content of exhaust gas, monitoring air fuel ratio for combustion efficiency.

part #: yj273nc price

• $43.29

specifications acrasensor:

• for models: Cl
• for makes: Acura
• for years: 1997-1999
• brand: Walker
• mpn: Yj273nc
• part type: Sensor
• placement on vehicle: Upstream
• manufacturer warranty: 12 Month Warranty
• info: Oe Replacement B1s1
• years: 1997 1998 1999 97 98 99
• fitment: Acura Cl Oxygen Sensor
• cs-sku: 400

returns acrasensor:

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

seller acrasensor:

• # reviews: 90829
• rating: 95.1%
• city: Corona, California

offer acrasensor:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: May 31, 2025

general acrasensor:

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

shipping acrasensor:

• carrier: FedEx
• type: Fixed
• transit: 4-9 Days
• cost: $0.00
• class: Standard
• service: FedEx Ground or FedEx Home Delivery

payments acrasensor:

• credit card: Diners-club
• other
• wallet: Google-pay

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