Set of 4 Oxygen Sensors for GMC Sierra 1500 (2003–2005) 4.3L 4.8L

Includes:
- Set of 4 Oxygen Sensors

Fits Models:
- GMC Sierra 1500

Model Years:
- 2003–2005

Submodels:
- Common trims include SLE, SLT, WT (Work Truck); body style is Crew Cab, Extended Cab, Regular Cab.

Engine Options:
- 4.3L V6 (L35), 4.8L V8 (L33)

Description:
This set of 4 oxygen sensors is designed specifically for the GMC Sierra 1500 from 2003 to 2005, ensuring optimal performance and emissions control. These sensors monitor the exhaust gases and provide critical data to the engine control unit, helping to maintain fuel efficiency and reduce harmful emissions.

Features:
- Direct fit replacement for easy installation
- Enhances fuel efficiency and engine performance
- Reduces harmful emissions for compliance with environmental standards
- Durable construction for long-lasting reliability
- Compatible with both standard and aftermarket exhaust systems