Upstream Oxygen O2 02 Sensor For 2004 2005 2006 Nissan Altima Titan 12499877
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Upstream Oxygen O2 02 Sensor for Nissan
This Upstream Oxygen O2 02 Sensor for 2004 2005 2006 Nissan Altima Titan is a direct replacement part that monitors exhaust gases to help optimize fuel efficiency. It fits select Nissan models and carries OEM cross-reference number 12499877. This upstream oxygen sensor ensures your engine runs smoothly by relaying data to the ECU.
Overview
This Upstream Oxygen O2 02 Sensor is designed for 2004 2005 2006 Nissan Altima Titan, measuring oxygen levels in the exhaust stream to support proper air-fuel ratio. As a critical component, this O2 sensor helps reduce emissions and improve performance. It serves as a reliable replacement for the original sensor with cross-reference 12499877.
Built For Performance
- Direct-fit design for select Nissan models
- Oxygen sensor precisely measures exhaust gas composition
- Constructed with durable materials for long service life
- Helps maintain optimal engine performance and fuel economy
- Includes OEM cross-reference 12499877 for easy verification
Fits These Machines
- for Nissan Altima 2004
- for Nissan Altima 2005
- for Nissan Altima 2006
- for Nissan Titan 2004
- for Nissan Titan 2005
- for Nissan Titan 2006
Specs At A Glance
| Type | Upstream Oxygen Sensor |
| Position | Upstream |
| Part Number(s) | 12499877 |
Good To Know
Q: What does an upstream oxygen sensor do? A: It monitors the oxygen content in exhaust gases before the catalytic converter, helping the engine control module adjust the fuel mixture for efficiency.
Q: How do I know if this sensor fits my vehicle? A: This sensor is designed for 2004-2006 Nissan Altima and Titan models, but always verify your vehicle's specific engine and serial number to confirm compatibility before ordering.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.