OEM-Grade Wideband O2 Sensing from the Inventor of the Automotive Oxygen Sensor
The Bosch 17025 is a premium OEM-type LSU 4.9 wideband oxygen sensor used in air/fuel ratio meters and engine management systems. Bosch invented the automotive oxygen sensor and remains the top choice of OEMs worldwide — this sensor brings that same engineering excellence to your build, delivering accurate wideband readings, lower emissions, and improved fuel economy.
Features an OEM-style connector and includes a wiring harness for straightforward installation. Sold individually.
Key Features
- LSU 4.9 wideband sensor — compatible with wideband air/fuel ratio meters and ECU systems
- OEM connector — direct-fit installation, no modification required
- Wiring harness included — ready to install out of the box
- 5-wire design — 0–5V voltage range for precise AFR measurement
- Thread-in mounting — standard bung fitment (bung not included)
- Reduces harmful exhaust emissions and improves fuel economy
- Bosch Premium Original Equipment product line
Specifications
- Part Number: 17025
- Brand: Bosch Automotive
- SKU: 17025
- UPC: 028851170253
- Type: LSU 4.9 Wideband O2 Sensor
- Number of Wires: 5
- Voltage Range: 0–5V
- Mounting Style: Thread-in
- Oxygen Sensor Bung: Not included
- Wiring Harness: Included
- Quantity: Sold individually
Compatible Applications
- Honda Grom (SF / OG / 2022+)
- Honda Monkey (1st Gen / 2022+)
- Honda CRF110 (2019+)
- Honda Trail 125
- Honda Super Cub
- Honda Z125
- Yamaha R3
- TNT135 / 300 Swap builds
- JC92 platform builds
