High-Performance Oxygen O2 Sensor for 02-03 Chevrolet GMC Trailblazer
Precision-engineered with high-quality ceramic core and advanced thermal shock resistance for accurate air-fuel ratio measurement. Features durable stainless steel housing and premium-grade wiring harness for long-term reliability in extreme temperatures. Direct-fit replacement for OEM part numbers 234-4342, SG1855, and 234-4668. Ensures optimal engine performance, reduced emissions, and improved fuel efficiency. Compatible with 2002-2003 Chevrolet/GMC Trailblazer models. Built with laser-welded seams and anti-corrosion coating for harsh driving conditions. Ideal for daily commutes, off-road adventures, or towing heavy loads. Backed by rigorous testing to meet OE standards. Global wholesale pricing available—bulk discounts for dealerships and auto repair shops. Fast shipping worldwide.