Keep your vehicle's air conditioning system operating at peak performance with the Universal Air A/C Expansion Valve. Specially designed for a variety of Mercedes-Benz models including the SLK350, SLK300, SLK55 AMG, and Crossfire, this valve is a crucial component in ensuring the right amount of refrigerant is distributed throughout the system. The expansion valve comes with the manufacturer part number EX10170C and is identified by the OE/OEM part number EX 10170C. Installation is straightforward, requiring no drilling or modifications, thanks to its precise design for a block expansion valve. Although the country of origin is unspecified, the quality is standardized, ensuring reliability and durability for your automotive needs. New and sealed in original package. From my mechanic son's parts stash.