Downstream O2 Sensor 234-4521 for Lexus IS250 IS350 GS350 GS450h GS430 (2006–2013)
Includes: - Downstream O2 Sensor 234-4521
Fits Models: - Lexus IS250 - Lexus IS350 - Lexus GS350 - Lexus GS450h - Lexus GS430
Model Years: - 2006–2013
Submodels: - IS250, IS350, GS350, GS450h, GS430 - Chassis codes: GSE20, GSE21, GWS191, GWS192, GWS193
Engine Options: - 2.5L 4GR-FSE, 3.5L 2GR-FSE, 3.5L 2GR-FXE, 4.3L 3UZ-FE
Description: The Downstream O2 Sensor 234-4521 is designed for precise monitoring of exhaust gases, ensuring optimal engine performance and emissions control. This sensor is a direct replacement for various Lexus models, providing reliable functionality and fit.
Features: - Direct fit for specified Lexus models - Enhances fuel efficiency and reduces emissions - High-quality construction for durability - Easy installation with no modifications required - Ensures accurate exhaust readings for engine management
Part Number: 234-4521