Mercedes Engine Block & Cylinder Head Expansion Core Plug | Part #A0009975820
€1.76
Precision OEM Mercedes Temperature Sensor engineered for accurate real-time environmental or pressure monitoring, ensuring precise emissions compliance, optimal engine calibration, and reliable system diagnostics.
Description
The Mercedes Engine Block & Cylinder Head Expansion Core Plug (Part #A0009975820) is a cup-style metal freeze plug engineered to seal core casting holes in the engine block and cylinder head. Engineered for Mercedes-Benz powerplants, this core plug prevents coolant leaks and accommodates internal coolant expansion during freezing conditions. It features heavy-gauge stamped steel or brass construction measuring standard block port diameters (approx. 20mm to 40mm), installed with a press-fit seal.