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Sierra 18-4264 Brass Pipe Plug 3/8-18 NPT

Manufacturer

Picture for manufacturer Sierra

Part Number

18-4264
11 reviews
Sale Price

$5.37

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Sierra 18-4264 is a brass pipe plug with a 3/8"-18 NPT thread size, designed for marine applications. This precision-threaded plug provides a reliable seal for closing off unused ports, drain openings, or fuel/water separator fittings on marine engines and systems.

Key Features:

  • Constructed from durable brass material for excellent corrosion resistance in harsh marine environments
  • 3/8"-18 NPT (National Pipe Thread) tapered thread for secure, leak-proof installation
  • Meets or exceeds original equipment specifications
  • Compatible with fuel, water, oil, and air systems
  • Hex head design for easy installation and removal with standard wrench

OEM Cross-References: Interchangeable with GLM 21894, Mallory 9-40546, Mercruiser 22-32803, 22-87543, FI5880010, and Mercury 22-32803.

Installation Note: Pipe sealant with Teflon is recommended for use on plug threads to ensure a proper seal and prevent leakage.

This pipe plug is commonly used in Sierra fuel/water separator kits and various marine engine applications where reliable port sealing is required.

Good

So far so good

Awesomeness

seems great and will get great review if dash shows up working

very fast process

Best Price on the Net for K&N System for my 2012 HEMI RAM. My Order 18270 is shipping today and I can't wait to get it installed!

I need this for tomorrow. Thanks!

Great prices.

Excellent

So far, so good. Good prices.

awesome..... great to deal with.. fast shipping and excellent customer service

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