AOMXUZE 8pcs A2780302317 Engine Pistons Rings Set 24mm Compatible with Mercedes-Benz 11-19 X166 W166 GL500 S500 M278 GLS500 E500 ML500 4.6L 4.7L

Description

• The compression ring is located at the top of the piston, which is responsible the leakage between the combustion chamber and the bottom of the cylinder.
• The oil control ring is located under the compression ring, and its main function is to control the oil flow and lubricate the cylinder wall.
• The backup ring is optional and is usually located at the bottom of the piston ring group to provide additional sealing.
• Provide effective lubrication: the oil control ring is located at the lower part of the piston ring group, and its function is to control the flow of oil and lubricate the cylinder wall. Through proper lubrication, the piston ring can reduce the friction between the piston and the cylinder wall, provide smoother piston movement and prevent excessive wear of the cylinder wall.
• Sealed cylinder: The piston ring is located at the top of the piston, and its main function is to prevent gas leakage between the combustion chamber and the bottom of the cylinder. It keeps high-pressure gas in the combustion chamber to ensure the normal operation of the engine."

Pistons Rings Set Compatible With Mercedes-Benz 2011-2019 X166 W221 W222 GL500 S500 M278 GLS500 E500 ML500 S500 4.6T 4.7TPlease send us VIN code to check if our item your car before purchasing !!Package includes8pcs x Piston & Piston RingOE#278 030 11 17 2780301117278 030 15 17 2780301517278 030 23 17 2780302317278 030 27 17 2780302717278 030 01 00 2780300100278 030 11 17 2780301117278 030 15 17 2780301517278 030 23 17 2780302317278 030 27 17 2780302717278 030 01 00 2780300100Replacement OE#A 278 030 11 17 / A2780301117A 278 030 15 17 / A2780301517A 278 030 23 17 / A2780302317A 278 030 27 17 / A2780302717A 278 030 01 00 / A2780300100A 278 030 11 17 / A2780301117A 278 030 15 17 / A2780301517A 278 030 23 17 / A2780302317A 278 030 27 17 / A2780302717A 278 030 01 00 / A2780300100Specification- Cylinder bore 92.9mm (3.66" / 3.66in.)- Pin Bolt Diameter 24mm- Pin Bolt Length 56mm- Ring Thickness 1st - 1.2mm / 2nd - 1.5mm / 3rd - 2.0mmThank you for visiting our store, your satisfaction is our eternal pursuit! I will show you the products, hope you can buy the right product, wish you happy shopping!

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