O2 Oxygen Sensor Set of 2 for Silverado 1500, Sierra 1500 (2003–2006)

Includes: - O2 Oxygen Sensor Set of 2

Fits Models: - Chevrolet Silverado 1500 - GMC Sierra 1500

Model Years: - 2003–2006

Submodels: - Common trims include WT (Work Truck), LS, LT, and LTZ - Chassis codes: GMT800 - Body styles: Crew Cab, Extended Cab, Regular Cab

Engine Options: - Common engine sizes: 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8 - Engine codes: L33, LM7, L59, LQ4

Description: This O2 Oxygen Sensor Set of 2 is designed for optimal performance in Chevrolet Silverado 1500 and GMC Sierra 1500 models from 2003 to 2006. These sensors monitor the exhaust gases and help maintain optimal fuel efficiency and emissions control.

Features: - Direct fit replacement for easy installation - Improves fuel efficiency and reduces emissions - Durable construction for long-lasting performance - Compatible with multiple engine options - Meets or exceeds OEM specifications