Plug, Cup, Expansion, Cylinder Block, Engine, 1-1/8 21427R1

positive OEM
International
Part# 21427R1
note
Engine cylinder block cup plug for sealing expansion openings.
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Description

The Navistar International Cup Plug, Expansion, Cylinder Block, Engine, 1-1/8" (21427R1) is a sealing component designed to close openings in engine cylinder blocks. It provides a secure, leak-resistant closure to maintain system integrity in various heavy-duty engine applications. This plug’s cup-shaped design facilitates a tight fit to prevent fluid or gas escape under operational conditions.

Key Specifications

  • Application: Heavy-duty trucks, buses, commercial vehicles
  • Function: Seals cylinder block expansion openings
  • Compatibility: Navistar International engine series
  • Construction: Metal cup-shaped plug
  • Features: 1-1/8" diameter, cup design, corrosion-resistant
  • Quality: OEM Navistar International part

Shipping Info

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More Information

Current Part# 21427R1
Type OEM
Manufacturer International
Warranty Standard Manufacturer Warranty