Set of 4 O2 Oxygen Sensors Downstream for Nissan Sentra (2003–2006)

Includes: - Set of 4 O2 Oxygen Sensors Downstream

Fits Models: - Nissan Sentra

Model Years: - 2003–2006

Submodels: - Common trims include 1.8, 2.5, SE-R, and SE-R Spec V; chassis codes include B15 and B16; body style is sedan.

Engine Options: - Common engine sizes include 1.8L (QR18DE) and 2.5L (QR25DE).

Description: This set of 4 downstream O2 oxygen sensors is designed specifically for the Nissan Sentra models from 2003 to 2006. These sensors monitor the exhaust gases and help optimize engine performance and emissions. Replacing worn or faulty sensors can improve fuel efficiency and reduce harmful emissions.

Features: - Direct fit for Nissan Sentra (2003–2006) - Includes 4 downstream sensors for complete replacement - Enhances engine performance and fuel efficiency - Reduces emissions for compliance with environmental standards - Easy installation with no modifications required