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Sierra 18-4258 Marine Pipe Plug 3/4 Inch NPT Black Steel

Manufacturer

Picture for manufacturer Sierra

Part Number

18-4258
10 reviews
Sale Price

$6.28

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-4258 is a 3/4 inch black steel pipe plug designed for marine engine applications. This NPT (National Pipe Thread) plug features 3/4"-14 threading and is manufactured from durable black steel for reliable sealing in harsh marine environments.

Key Features:

  • 3/4 inch NPT thread size (14 threads per inch)
  • Black steel construction for corrosion resistance
  • Direct replacement for multiple OEM applications
  • Compatible with MerCruiser stern drives and various marine engines

OEM Cross-References:

  • MerCruiser: 22-33198A1, 22-41622, 22-46754, 22-33198
  • Crusader: 113186
  • GLM: 21892
  • Mallory: 9-41205
  • Osco: 1016012

This pipe plug is an essential component for engine block, manifold, and cooling system service on MerCruiser and other marine engines. Sierra Marine is a trusted aftermarket manufacturer offering quality replacement parts with comprehensive warranty coverage.

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I will give more feed back when I recieve the items

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1st time shopper order shipped quickly very satisfied

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