Spark Plug Seals – MD186787 / MD178940

$57.75 Incl GST

Mitsubishi Genuine Gaskets – Mitsubishi 4G15 DOHC 16v


Spark Plug Rocker Cover Seals

These units are a factory replacement for the gasket / seal that stops oil from draining into the deep spark plug tubes on late model SOHC / DOHC 16v engines. These go hard over time due to heat and require periodic replacement.
Rocker Cover Spark Plug Seal / Gasket to suit following applications

  • Mitsubishi 4G15 DOHC 16v CK Lancer / Mirage – Type 1 – Kit includes 2 Units
  • Mitsubishi 4G15 DOHC 16v CK Lancer / Mirage – Type 2 – Kit includes 2 Units
  • Mitsubishi Genuine Part Numbers – MD186787 / MD178940
  • The 4G15 DOHC engine runs two different types of gaskets / seals.
  • This is for both types for a complete engine set.



Mitsubishi Motors

Mitsubishi Motors Genuine Parts for 100% fitment without any issues.

Additional information

Weight1 kg


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Make Model Trim Engine
Mitsubishi Mirage CA3A - CB3A AWD (1991 - 1995) 1.5L 4G15 DOHC 16v
Mitsubishi Mirage CJ2A - CM2A (1996 - 2000) 1.5L 4G15 DOHC 16v