Oxygen Sensor for 1998-2004 Nissan Frontier & More - DENSO 234-4323

DENSO Auto Parts 234-4323 oxygen sensor for the 1998-2004 Nissan Frontier 4-cylinder 2.4L and other vehicles reads the oxygen in the exhaust and sends a signal to the engine computer. Each component is precision built for exact replacement and a first-time fit.

• Laser-welded stainless housing resists corrosion
• PTFE filter blocks contaminants under harsh engine conditions
• Dual-layer protection shields the ceramic element for fast, reliable response times
• Aluminum oxide trap layer protects the ceramic element from silicone and lead poisoning
• Heated, narrow-band sensor with four wires

Quick facts

• Part: DENSO Auto Parts 234-4323 oxygen sensor
• Fits: 1998-2004 Nissan Frontier 4-cylinder 2.4L and other vehicles
• Position: Downstream
• Condition: New

A lit check engine light, weaker fuel economy or rough running can mean this sensor is worn, though the catalytic converter or a spark plug can be behind the same signs, so find the cause before you replace anything. If the sensor is at fault, this one replaces it.

Fits

It is also a direct-fit downstream oxygen sensor for the 1998-1999 Nissan Sentra 4-cylinder 2.0L and the 2000-2004 Nissan Xterra 4-cylinder 2.4L.

Specifications

In the box

One oxygen sensor. This listing is one sensor, and each vehicle takes one in the downstream position.