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904 010 42 21 Mercedes-Benz Compatible Cylinder Head Gasket

0101 097

Summary

This cylinder head gasket is engineered for heavy commercial vehicle engines, specifically designed to maintain a precise seal between the cylinder block and the cylinder head for Mercedes-Benz applications. It ensures the separation of combustion, coolant, and lubrication passages under extreme thermal and pressure conditions. Equivalent to OE Mercedes-Benz 9040104221.

Product identifiers
EAN Code8699031064413
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Compatible OEM Codes

  • MERCEDES BENZ
    • 904 010 42 21

Description

What does a cylinder head gasket do?

This cylinder head gasket is a critical sealing component situated between the engine block and the cylinder head in heavy commercial vehicle engines. It creates a high-pressure seal that separates the combustion chamber, coolant passages, and lubrication galleries, preventing fluid mixing and maintaining compression integrity during operation.

Compatibility with Mercedes-Benz engines

This component is engineered to withstand thousands of heating and cooling cycles. It is specifically designed to match the block geometry required for Mercedes-Benz engines. This ensures that the combustion pressure remains contained within the cylinders while keeping the cooling and oil systems isolated.

Installation and maintenance guidance

During engine overhauls, this part must always be renewed to ensure long-term reliability. Technicians should check the mating surfaces of the block and head for cleanliness and flatness before installation to ensure a proper seal under clamping force.

Preventing system failure

Proper selection of this gasket prevents common issues such as coolant contamination in oil or loss of engine compression. Check the compatibility list to ensure correct fitment for your specific engine requirements.

OE cross-reference

0101 097 (Cylinder Head Gasket) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 9040104221.

Other OEMs

MERCEDES BENZ

  • A9040104221
  • 9040104221
  • 904.010.4221
  • 904.010.42.21
  • 904 010 4221
  • 904 010 42 21

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the function of a cylinder head gasket?
The cylinder head gasket seals the connection between the engine block and cylinder head, separating combustion pressure from coolant and oil passages.
When should a cylinder head gasket be replaced?
This component should always be renewed during any engine overhaul to prevent leaks and ensure proper compression.
Can this gasket handle high temperatures?
Yes, it is designed to operate at the highest pressure and temperature points within the heavy commercial vehicle engine.
What are the signs of a failing cylinder head gasket?
Common symptoms include coolant mixing with oil, loss of engine power due to compression loss, or visible leaks around the cylinder head area.
What are the OE reference numbers of this part?
0101 097 directly replaces Mercedes-Benz OE number 9040104221.