HomeEmission Control > SensorsNTK 24603 Oxygen Sensor - Downstream
Part #: 24603

NTK 24603 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor, Downstream
⚙️ 18 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$90.26Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit Oxygen Sensor, Downstream
🚗Fitment: Acura and Honda, CL, TL, Accord, and Prelude
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of NTK Direct Fit Oxygen Sensor 24603

The NTK Direct Fit Oxygen Sensor 24603 is designed specifically for select Acura and Honda models, including the Accord, CL, Prelude, and TL. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

  • Heated oxygen sensor for faster response times
  • Specific fit for Acura and Honda Accord, CL, Prelude, and TL
  • 33.75-inch wiring harness length for easy installation
  • Threaded mounting type with 18mm thread diameter
  • Four-wire configuration for reliable signal transmission

Detailed Product Description

The NTK Direct Fit Oxygen Sensor 24603 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors engineered to match the original equipment specifications. This ensures compatibility and performance without the need for modifications. The sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a 33.75-inch wiring harness and a threaded mounting type with an 18mm diameter, this sensor is designed for straightforward installation in the specified Acura and Honda vehicles.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following makes and models:

  • Acura Accord, CL, Prelude, TL
  • Honda Accord, CL, Prelude, TL

It is intended for use in emission control systems to monitor and regulate the air-fuel ratio, helping to maintain compliance with environmental standards and improve engine performance.

Common Issues Addressed by NTK Oxygen Sensor 24603

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions and failed emissions tests
  • Engine hesitation or rough idling caused by sensor malfunction
  • Reduced engine performance and drivability issues

Installation Notes and Tips

Installation of the NTK Direct Fit Oxygen Sensor 24603 requires no modifications due to its specific fit design. The 33.75-inch wiring harness provides sufficient length for easy connection to the vehicle’s existing wiring. Ensure the sensor is threaded securely using the 18mm thread diameter to prevent exhaust leaks. It is recommended to use anti-seize compound on the threads to facilitate future removal. Always disconnect the battery before installation to avoid electrical issues.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The Direct Fit Oxygen Sensor line undergoes rigorous testing to verify sensor accuracy and longevity. While specific warranty details for part number 24603 should be confirmed with the supplier, NTK typically offers a limited warranty covering defects in materials and workmanship.

BrandNTK
Part Number24603
PositionDirect Fit Oxygen Sensor, Downstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length33.7500

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999AcuraCL3.0LV6DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1999AcuraCL2.3LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1999AcuraTL3.2LV6DownstreamB1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor
1999HondaAccord3.0LV6DownstreamB1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor
1999HondaAccord2.3LL4DownstreamB1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor
1998AcuraCL3.0LV6DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1998AcuraCL2.3LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1998HondaAccord3.0LV6DownstreamB1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor
1998HondaAccord2.3LL4DownstreamB1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor
1997AcuraCL3.0LV6DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1997AcuraCL2.2LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1997HondaAccord2.7LV6DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1997HondaAccord2.2LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1996HondaAccord2.7LV6DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1996HondaAccord2.2LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1996HondaPrelude2.3LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1996HondaPrelude2.2LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
1995HondaAccord2.7LV6DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13065131761322213239134871363913941213-1468234-4601234-462136532P0AA0136532P0GA0236532P13A0136532P6WA0136532P8AA0136532P8CA2136532PAAA0275-177775-189575-196375-202875-2070ES10745ES20136OS1048OS1049OS1052OS1954OS1979OS2078OS5103SG1203SG342SG348SG527SG655SG676

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.