Pre-wired electrical connector for Bosch LSU 4.9 lambda sensor
Replace or repair the plug on your Bosch LSU 4.9 lambda sensor with this complete OEM compatible Bosch connector ref. 0258017025.
Designed to provide a reliable, waterproof and durable connection, it is pre-wired.
This connector is used on many German makes (VW, Audi, BMW, Mercedes, Porsche) as well as on adaptable richness control systems (AEM, Innovate, PLX, etc.).
This connector is a faithful reproduction of the Bosch 0258017025 model , widely used in the automotive industry.
It incorporates a lateral pin lock, ensuring a firm and secure hold of the electrical terminals, even in vibrating and hot environments.
⚙️ Extended compatibility:
- Bosch LSU 4.9 probes
- UEGO AEM systems , Innovate LC2/MTX-L, PLX, 14point7, etc.
- Vehicles: Volkswagen, Audi, BMW, Mercedes, Porsche
- Can be used on all Bosch 4.9 compatible engine management systems
⚙️ Technical specifications :
- Connector type: Bosch LSU 4.9 (0258017025)
- Number of channels: 6 pins
- Internal locking: side locking with pin lock
- Material: high temperature resistant polymer
- Protection: IP67 – waterproof and dustproof
- Operating temperature: -40°C to +150°C
- Supplied pre-wired
⚡ Applications:
- 🚗 Bosch 4.9 OEM lambda sensor connector replacement.
- 🏁 Universal richness controllers (AEM, Innovate, PLX, etc.)
- 🔧 Renovation of performance or competition engine harnesses.
- 💡 Conversion or adaptation of injection systems
✅ Product benefits :
✅ 100% Bosch LSU 4.9 compatibility – ref. 0258017025
✅ Delivered pre-wired
✅ Lateral pin lock for secure connection
✅ IP67 protection against water and dust
✅ Resistant to heat, vibration and hydrocarbons
✅ Compatible with OEM vehicles and universal controllers (AEM, Innovate, etc.)
































