70 Pin 120 Pin Auto Connectors Computer board ECU harness Plug 34853-0121 34854-1105 For Renault Peugeot 508 408 308 Citroen C4
Upgrade your vehicle's electrical system with our high-quality 70-pin and 120-pin ECU connector harness plugs compatible with Renault, Peugeot 508/408/308, and Citroën C4. Durable, precise fit, and easy to install. Ideal replacement for part numbers 34853 0121 and 34854 1105.
Key points
- Precise fit for Renault, Peugeot, and Citroën models
- Durable construction resistant to heat, moisture, and vibration
- Direct replacement for OEM part numbers 34853 0121 and 34854 1105
- Easy plug-and-play installation
- Enhances engine performance and reliability View product presentation
Color: 120 Pin Female




France
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Product presentation
Restore Your Vehicle’s Performance with Premium ECU Connectors – Built to Last!
This premium automotive ECU connector harness plug set includes both 70-pin and 120-pin connectors designed specifically for Renault, Peugeot (508, 408, 308), and Citroën C4 models. Engineered for durability and precision fit, these connectors ensure reliable electrical connections between the engine control unit (ECU) and vehicle systems. The high-grade materials resist corrosion, heat, and vibration, making them ideal for long-term use in demanding driving conditions. Compatible with part numbers 34853 0121 and 34854 1105, this harness plug is a direct replacement for worn or damaged components, helping restore optimal performance to your vehicle’s electronic systems. Easy installation with no modifications required—perfect for DIY mechanics and professional technicians alike.
| Brand Name Yuyi |
| High-concerned chemical None |
| Origin Mainland China |
| Country/Region of Manufacture Made in China |
| Model Number 348530121 34853-0121 |
| Model Number1 348541105 34854-1105 |
| Application Automotive |



















