Integral to the overall function of the radiator expansion tank in your Mercedes 560SL is the radiator expansion cap. The radiator expansion tank cap is the cap that is used to properly seal the radiator expansion tank in your 1987 Mercedes 560SL. But, even if it seems that the part may look simple and bare, you cannot just use any cap out there. If you do that, you will only compromise the overall performance of your auto’s radiator expansion tank. Always make sure that you use a reliable and a durable cap like the Germany Radiator Expansion Tank Cap that is available here. The radiator expansion tank is an important component of the cooling system, so it is imperative that accessories which are needed for the proper operation of the part should be used. Being a simple and bare accessory, the cap may sometimes be ignored, but this would only cause inconveniences. Therefore, remember that proper care should be extended to the part. Keeping your vehicle’s cooling system under pressure is part of what keeps your auto from boiling over, and a radiator cap with a hard or cracked sealing will not help that much. You have a coolant loss or a slight smell of anti freeze? Check the cap! Need replacement? Check out our site for your next G1040-30351 Germany Radiator Expansion Tank Cap!