Mercedes-Benz Genuine O-Ring – A0239978548

Description

The A0239978548 O-Ring is a genuine Mercedes-Benz OEM seal designed to provide a precise and leak-free fit for various engine and transmission components. Manufactured from high-quality, heat- and oil-resistant rubber, this O-ring ensures long-lasting performance and reliability under high-pressure and temperature conditions.

Whether used in the oil system, cooling system, or fuel line assembly, the A0239978548 O-Ring maintains a secure seal that prevents fluid leakage, protects against contamination, and ensures proper system operation.

Built to Mercedes-Benz’s strict engineering standards, this OEM O-ring guarantees compatibility, durability, and superior sealing performance — making it the perfect choice for maintenance or repair.

Key Features:

• ✅ Genuine Mercedes-Benz OEM Part – A0239978548

• ✅ Oil, fuel, and heat-resistant material for durability

• ✅ Ensures leak-free sealing in high-pressure systems

• ✅ Precision fit for engine and transmission assemblies

• ✅ Prevents fluid loss and contamination

• ✅ Long service life with superior elasticity

Benefits:

• Protects engine and transmission components from leaks

• Maintains system pressure and efficiency

• Reduces risk of oil or coolant contamination

• Provides OEM-quality performance and fit

Applications:
The A0239978548 O-Ring is compatible with a variety of Mercedes-Benz vehicles and systems, commonly used in:

• Engine oil lines and filters

• Transmission and cooling systems

• Turbocharger and fuel system assemblies
  (Please confirm compatibility with your vehicle’s VIN or service manual before purchase.)