Elring 509.840 Engine Cylinder Liner O-Ring

Elring 509.840 Cylinder Liner O-Ring

Elring 509.840 is a copper engine cylinder liner O-ring built for sealing applications where precise dimensions matter. With a 98.0 mm inside diameter and 1 mm thickness, it is specified for engine sealing service in applications that require a copper sealing ring.

Key Features

• Copper construction for engine sealing use
• Inside diameter: 98.0 mm
• Thickness: 1 mm
• Elring part number 509.840 for identification and ordering

Product Details

This Elring cylinder liner O-ring is part of the engine gaskets and sealing systems category and is used in cylinder liner sealing applications where the ring size must match the engine specification. The copper material provides a rigid sealing profile, while the 98.0 mm inside diameter and 1 mm thickness define the fitment dimensions for the sealing interface. If you are searching for an Elring 509.840 cylinder liner O-ring, this part number should be matched carefully to the engine build and sealing groove dimensions.

For buyers researching engine gasket and sealing system parts for Honda Civic or Toyota Corolla service work, Elring 509.840 is the type of precision sealing component that should be verified against the engine’s required liner seal dimensions before installation.

What It Is Used For

• Sealing the cylinder liner interface in an engine assembly
• Addressing coolant or combustion sealing concerns tied to liner sealing surfaces
• Replacing a worn, flattened, or damaged cylinder liner O-ring
• Restoring proper sealing dimensions during engine rebuild service

Installation Notes and Tips

Confirm the required inside diameter and thickness before installation, and compare the old seal to the new Elring 509.840 part. Clean the sealing groove and mating surfaces thoroughly, and inspect the cylinder liner and block for wear, corrosion, or debris that could affect sealing. Use the exact engine specification for Honda Civic or Toyota Corolla applications when verifying the correct liner O-ring.

Quality Assurance

Elring is a recognized name in engine sealing components, and this part is identified by the 509.840 part number for accurate catalog matching. Verify all dimensions and engine requirements against the application before assembly.