Great Wall H3/H5/H6 O2 Sensor – 28130529 SMW250917 Lambda Probe

This heating-type piezoelectric sensor (OEM: 28130529 / SMW250917) is built for accurate and efficient performance across a range of vehicles. Designed with advanced piezoelectric technology, it ensures fast response and stable readings—making it ideal for monitoring and optimizing fuel-air ratios, exhaust output, and related systems.

Featuring a 4-wire configuration, it delivers precise signal transmission and improved sensitivity. The sensor’s durable construction resists heat and vibration, maintaining reliable performance under tough engine conditions. Engineered to OEM standards, it offers a direct-fit installation and long service life, making it a dependable replacement component for consistent vehicle efficiency.