O2 Sensor Pair for 2500 HD GMC Sierra (2001-2002)

Includes:
- 2X O2 Oxygen Sensors

Fits Models:
- GMC Sierra 2500 HD

Model Years:
- 2001–2002

Submodels:
- Common trims include SL, SLE, SLT; body style is Crew Cab, Extended Cab, Regular Cab; chassis codes are GMT800.

Engine Options:
- Common engine sizes include 6.0L V8 (LQ4), 8.1L V8 (L18), and 5.3L V8 (LM7).

Description:
This product includes two oxygen sensors designed specifically for the GMC Sierra 2500 HD from the years 2001 to 2002. These sensors are essential for monitoring exhaust gases and ensuring optimal engine performance and emissions control.

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