NTK 24548 Oxygen Sensor - Downstream or Upstream

Direct Fit Oxygen Sensor for OE-Style Replacement

NTK 24548 is a direct fit heated oxygen sensor built for specific applications that require OE-style fit, form, and function. It is engineered for import and domestic vehicles and is a practical replacement for emissions service on Toyota Camry, Toyota Avalon, Toyota Corolla, and related applications.

Key Features

• Heated oxygen sensor with specific fitment for direct replacement
• 4-wire design with a 13.7500 wiring harness length
• Threaded mounting type with 18.000 thread diameter
• Built to meet or exceed OE specifications through manufacturing testing
• Part number 24548 for streamlined lookup and ordering
• NTK Direct Fit Oxygen Sensor line focuses on OE application coverage and sensor technology

Product Details

NTK Direct Fit Oxygen Sensor 24548 is part of NTK’s OE-focused sensor line, backed by the company’s long history as a major oxygen sensor supplier. NTK controls ceramic production from raw material through finished sensor, using manufacturing processes aimed at consistent signal performance and reliable emissions feedback. For drivers and technicians servicing Toyota Camry, Toyota Avalon, Toyota Corolla, Toyota Paseo, Toyota Tercel, Chevrolet Prizm, or Geo Prizm, this sensor provides a direct replacement path for the original unit.

This part cross-references DENSO Auto Parts (e.g., 234-4061, 234-4624) for the same application.

Common Issues This Sensor May Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio feedback to the engine control system
• Failed emissions inspection caused by a worn upstream or downstream sensor
• Slow sensor response or degraded heater circuit operation
• Rough idle, poor fuel economy, or drivability concerns tied to sensor aging

Installation Notes and Fitment

Compatible With 2004-2006 Toyota Camry, upstream; located before underfloor (rear) catalyst, B1S2, California emissions, OE equivalent design.

Compatible With 1995-2004 Toyota Avalon, downstream; OE equivalent design.

Compatible With 2003 Toyota Camry, upstream; located before underfloor (rear) catalyst, B1S2, California emissions, OE equivalent design.

Compatible With 1998-2002 Chevrolet Prizm, downstream; OE equivalent design.

Compatible With 1995-2002 Toyota Corolla, downstream; OE equivalent design.

Compatible With 1996-1999 Toyota Paseo, downstream; OE equivalent design.

Compatible With 1995-1999 Toyota Tercel, downstream; OE equivalent design.

Compatible With 1995-1997 Geo Prizm, downstream; OE equivalent design.

Compatible With 1995 Toyota Paseo, downstream; B1S2 California emissions OE equivalent design.

Verify connector style, harness routing, and sensor position before installation. Use the vehicle’s emissions configuration and original sensor location to confirm the correct application for Toyota Camry, Toyota Avalon, or Toyota Corolla service.

Quality Assurance

NTK manufactures oxygen sensors with extensive testing during production to support quality and reliability that meets or exceeds OE specifications. As the Sensor Specialist within the NGK family of products, NTK focuses on OE application coverage and direct-fit sensor consistency.