2009-2011 Buick Lucerne Oxygen Sensor Replacement

Includes:
- Oxygen Sensor

Fits Models:
- Buick Lucerne

Model Years:
- 2009–2011

Submodels:
- Common trims include CXL, CXS; body style is sedan (4-door); chassis code is 4K.

Engine Options:
- Common engine sizes include 3.8L V6 (L26) and 4.6L V8 (L37).

Description:
This oxygen sensor is designed specifically for the Buick Lucerne from 2009 to 2011, ensuring optimal performance and emissions control. It monitors the level of oxygen in the exhaust gases, providing critical data to the engine control unit for efficient fuel management.

Features:
- Direct fit replacement for easy installation
- Enhances fuel efficiency and reduces emissions
- Durable construction for long-lasting performance
- Compatible with both V6 and V8 engine options
- Meets or exceeds OEM specifications for quality assurance