Mercedes-Benz A0009973807 – Temperature Sensor
The Mercedes-Benz A0009973807 is an original sealing O-ring designed for selected Mercedes-Benz turbocharged engines.
Installed on the turbocharger coolant feed and return lines, this sealing ring helps maintain a secure connection and prevent coolant leakage within the engine cooling system.
Product Information:
• OE Number: A0009973807
• Related / Replacement OE: A0239970645、A0299973745
• Product Name: Turbocharger Coolant Line O-Ring
• Brand: Mercedes-Benz
• Category: Turbocharger Cooling System
• Condition: Mercedes-Benz original part
Compatible Models:
A0009973807 can be used for selected Mercedes-Benz A-Class, B-Class, C-Class, CLA, E-Class, GLC, GLE and other models. Please provide your VIN or original OE number to confirm compatibility before ordering.
We support bulk orders for:
• Automotive Distributors
• Repair Workshops
• Maintenance Companies
• Professional Buyers
GL-Carparts supplies Mercedes-Benz original auto parts for international wholesalers, distributors and repair networks. Please provide OE or VIN number for compatibility confirmation before ordering.


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