DENSO 42KJHPY43 Downstream Oxygen Sensor El

( Brand: Denso ), ( Manufacturer Part Number: 42KJHPY43 ), ( Type: Oxygen Sensor ), ( Placement On Vehicle: Downstream ), ( Fits 1: 2004-2005 Acura El ), ( Fit Note: Oxygen Sensor Oe Style O.e. Quality Direct Fit Replacemen. ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review DENSO Downstream Oxygen Sensor Acura El fits 2004–2005

The DENSO 42KJHPY43 Downstream Oxygen Sensor is an essential component of the exhaust system in certain Acura EL models from the years 2004 and 2005. This sensor plays a crucial role in maintaining optimal engine performance and fuel efficiency by continuously monitoring the oxygen content in the exhaust gases.

The DENSO 42KJHPY43 Oxygen Sensor is a zirconia type sensor, which means it contains a zirconia ceramic element that changes its electrical resistance based on the amount of oxygen present in the exhaust gases. This information is then sent to the engine control module (ECM) to adjust the fuel-air mixture for efficient combustion.

This particular sensor is a downstream oxygen sensor, which means it is located after the catalytic converter in the exhaust system. It measures the oxygen level in the exhaust gases just before they enter the muffler or exhaust resonator. By monitoring the oxygen level downstream of the catalytic converter, the ECM can determine if the catalytic converter is functioning correctly and if the exhaust gases are being properly treated before they are expelled from the vehicle.

The DENSO 42KJHPY43 Downstream Oxygen Sensor is designed for long-lasting performance, but over time, it can degrade due to the harsh exhaust gas environment. When the sensor fails, it can cause a check engine light to illuminate and may result in decreased fuel efficiency, rough idling, and poor engine performance.

Installing a new DENSO 42KJHPY43 Downstream Oxygen Sensor is a straightforward process, but it is recommended that the installation be performed by a certified technician to ensure proper installation and functioning. When replacing the sensor, it is also a good idea to inspect the wiring harness and other related components to ensure they are in good condition and functioning properly.

The DENSO 42KJHPY43 Downstream Oxygen Sensor is a high-quality replacement part that is specifically engineered to meet the unique requirements of the Acura EL. With its precise oxygen sensing capabilities and long-lasting design, this sensor is an excellent choice for maintaining optimal engine performance and fuel efficiency in your Acura EL.

The Denso 42KJHPY43 downstream oxygen sensor is a crucial component of the air fuel ratio control system in Acura EL models from 2004 and 2005. This sensor measures the amount of unburnt oxygen in the exhaust gases and sends this information to the engine control unit (ECU) to adjust the fuel mixture for optimal combustion. Here are some pros and cons of buying this specific oxygen sensor for your Acura EL:

1. OEM Quality: This Denso oxygen sensor is an original equipment manufacturer (OEM) part, meaning it is manufactured by the same company that originally supplied it to Acura for installation on their vehicles.

2. Reliability: Denso is a reputable and trusted manufacturer of automotive sensors and other components.

3. Improved Performance: A faulty oxygen sensor can cause poor fuel economy, decreased engine performance, and increased emissions. Replacing a faulty sensor with a new one, like the Denso 42KJHPY43, can improve your vehicle's performance and fuel efficiency.

4. Long-Term Savings: While the upfront cost of buying an OEM sensor may be more expensive than aftermarket alternatives, the long-term savings can be significant due to the improved reliability and performance.

1. Cost: The Denso 42KJHPY43 oxygen sensor is more expensive than some aftermarket alternatives.

2. Availability: Depending on your location, availability of this specific OEM sensor may be limited, meaning you may need to order it online or from a specialty parts supplier.

In conclusion, while the Denso 42KJHPY43 downstream oxygen sensor for Acura EL models from 2004 and 2005 has a higher upfront cost compared to some aftermarket alternatives, its OEM quality, reliability, and long-term savings make it a worthwhile investment for those looking to maintain or restore the performance of their vehicle.

Recommendation: If you are experiencing issues with your Acura EL's oxygen sensor, and you want to ensure optimal performance and fuel efficiency, we recommend purchasing the Denso 42KJHPY43 oxygen sensor. If cost is a concern, consider researching aftermarket alternatives to find a reliable and cost-effective solution. However, keep in mind that the long-term savings and improved reliability of an OEM sensor may outweigh the initial cost difference.

Details:

Product Specifications Wiring Harness length :14.96 in, Sensor Type:Narrow-Band, Universal Or Specific Fit:Specific, Wire Quantity:4. Dual-layer protection shields the ceramic element, ensuring proper conditions for fast and reliable response times. Quality Direct Fit Replacement Sensor Features: Laser welded stainless housing resist corrosion and PTFE filter blocks contaminants under harsh engine conditions. Downstream Oxygen Sensor Denso 42KJHPY43 for Acura EL 2004 2005: Position: Brand: condition: New, Notes - OE.E.

Detailed Applications Vehicle Engine, 2004 - 2005 Acura EL1.7L 4 Cl.

part #: 42kjhpy43 price

• $55.16

specifications acrasensor:

• for makes: Acura
• for years: 2004-2005
• brand: Denso
• mpn: 42kjhpy43
• type: Oxygen Sensor
• placement on vehicle: Downstream
• fits 1: 2004-2005 Acura El
• fit note: Oxygen Sensor Oe Style O.e. Quality Direct Fit Replacemen.
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

offer acrasensor:

• sold: 0
• options: Ship-to-home
• started: May 9, 2026
• availability: In Stock
• quantity: 1

seller acrasensor:

• # reviews: 57889
• rating: 97.1%
• city: Mesa, Arizona

returns acrasensor:

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

general acrasensor:

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

shipping acrasensor:

• class: Standard
• cost: $0.00
• transit: 4-7 Days
• type: Fixed
• service: Standard

payments acrasensor:

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

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