Elring 290.860 Engine Coolant Thermostat Gasket

Engine Coolant Thermostat Gasket for Mercedes-Benz and Aston Martin

The Elring 290.860 engine coolant thermostat gasket is designed to provide a reliable seal in the cooling system of select Mercedes-Benz, Aston Martin, and INFINITI vehicles. Manufactured from durable Fpm (fluoride rubber), this O-ring gasket ensures optimal performance and longevity under high-temperature conditions.

• Material: Fpm (fluoride rubber) for heat and chemical resistance
• Inside Diameter: 53.64 mm for precise fitment
• Outer Diameter: 58.88 mm ensuring secure sealing
• Height: 2.62 mm for proper compression and sealing
• Shape: O-ring design for effective coolant containment

Durable Construction and Precise Dimensions

The Elring 290.860 gasket is engineered with Fpm, a fluoride rubber known for its excellent resistance to heat, oil, and coolant chemicals. Its O-ring shape and exact dimensions—53.64 mm inside diameter, 58.88 mm outer diameter, and 2.62 mm height—allow it to fit tightly around the engine coolant thermostat housing. This precision fit helps prevent leaks and maintains the integrity of the cooling system in vehicles such as the Mercedes-Benz A45 AMG, AMG GT series, and Aston Martin DBX.

Compatible Vehicles and Applications

This engine coolant thermostat gasket is compatible with a wide range of models, including Mercedes-Benz A35 AMG, C63 AMG, G63 AMG, and Maybach S560, as well as Aston Martin DBX and INFINITI Q50. It is specifically designed to replace worn or damaged gaskets in these vehicles, ensuring proper sealing and coolant flow.

• Prevents coolant leaks around the thermostat housing
• Maintains optimal engine temperature regulation
• Reduces risk of overheating due to gasket failure
• Eliminates coolant contamination and pressure loss
• Supports efficient engine performance and longevity

Installation Notes and Tips

When installing the Elring 290.860 thermostat gasket, ensure the mating surfaces are clean and free of old gasket material or debris. Proper alignment of the O-ring is critical to avoid leaks. Use manufacturer-recommended torque specifications when securing the thermostat housing. It is advisable to inspect the thermostat and housing for damage during replacement to ensure a complete and effective repair.

Quality Assurance and Warranty

Elring is a recognized manufacturer of sealing systems with a focus on quality and durability. The 290.860 engine coolant thermostat gasket meets OEM standards for fit and function. While specific warranty terms may vary, Elring products typically come with a limited warranty against manufacturing defects, providing confidence in the gasket’s reliability for Mercedes-Benz, Aston Martin, and INFINITI applications.