High-Precision Rear Lambda O2 Oxygen Sensor
Designed for optimal performance in Subaru Impreza 1.5L, Forester, and Legacy 2.0L (2005-2011). Features a durable zirconia ceramic sensing element with advanced thermal shock resistance for accurate air-fuel ratio measurement.
Direct OEM Replacement
Exact fit for part numbers 22690-AA891/22690AA891, ensuring seamless integration with factory wiring harnesses. Stainless steel housing and anti-corrosion coating extend lifespan in harsh environments.
Enhanced Fuel Efficiency & Emissions Control
Real-time exhaust gas monitoring reduces catalytic converter strain, improving MPG and passing strict emissions tests. Ideal for urban commuting and off-road driving.
Rigorous Quality Assurance
Laser-welded seams and waterproof connectors meet ISO 9001 standards. Includes pre-applied anti-seize compound for effortless installation.
Global Wholesale Advantage
Lowest bulk pricing worldwide with same-day dispatch. Compatible with aftermarket and OEM repair scenarios.