Airtex 4P1023 Camshaft Core Plug (DU2135)

The Airtex 4P1023 is a precision-engineered camshaft core plug (also referred to as a camshaft expansion plug or cam plug) designed to seal the end of the camshaft bore in the engine block or cylinder head. Cross-referenced as DU2135, this plug prevents oil leaks and maintains proper internal engine pressure by providing a reliable, leak-free seal at the camshaft gallery opening.

Key Features:

• Direct-fit replacement for OEM camshaft core plugs
• Manufactured to precise dimensional tolerances for a secure, press-fit installation
• Durable construction resists engine heat, oil, and coolant exposure
• Prevents oil leakage from the camshaft bore end
• Cross-reference number: DU2135
• Restores factory sealing performance

Airtex Automotive Division is a trusted manufacturer of engine sealing components, fuel system parts, and water pumps. The 4P1023 camshaft plug is an essential component during engine rebuilds, timing chain or belt service, or any repair requiring removal of the original cam plug. Installation is straightforward with the proper driver tool to ensure a flush, leak-free fit.