Genuine OEM Citroen Oil Filter Housing, part number 1103S7. This critical assembly contains and protects the engine oil filter, ensuring clean oil circulates throughout the engine. It often integrates an oil cooler to help regulate engine oil temperature, preventing overheating and maintaining oil viscosity. The unit weighs approximately 1.54 kg and measures 0.28m in length. Choosing a genuine OEM oil filter housing guarantees precise fitment, correct sealing, and efficient heat exchange, which are essential for engine longevity and performance.