22-328022 Mercury MerCruiser Plug | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver 1/8-27 NPT Brass Pipe Plug - Part Number: 22-328022

A genuine Quicksilver brass pipe plug for selected Mercury, Mariner and MerCruiser engine castings and fluid passages.

The 1/8-27 NPT plug closes an unused pressure, temperature, fuel or cooling-system port while allowing the passage to be accessed for servicing or installation of an optional sender.

⚙️ Key Features

• Genuine Quicksilver OEM brass plug
• Correct Mercury part number 22-328022
• 1/8-27 NPT tapered pipe thread
• Corrosion-resistant brass construction
• Sierra, GLM and Force cross-references available

🚤 Compatibility

Commonly used on

• Mercury and Mariner engine-block and cylinder-head ports
• MerCruiser intake, cooling and instrumentation passages

Typically suits

• Engine / system applications:
• Mercury outboard cylinder blocks with unused 1/8-27 NPT sender ports
• Mercury and Mariner temperature-sender passages
• MerCruiser GM inline 4-cylinder, V6 and V8 castings using 22-328022
• MerCruiser intake-manifold pressure or vacuum ports
• Force outboard castings using the equivalent pipe plug
• Thread Size: 1/8-27 NPT
• Engine Type: Mercury / Mariner outboard and MerCruiser petrol engine
• Year Range: Casting and serial-number controlled

🔌 Function

The plug seals an unused threaded fluid, pressure or sender passage while allowing future access to the port.

⚠️ Common Signs of Failure

• Water, fuel or oil seepage around the threads
• Plug corroded or seized
• Hex or removal surface rounded
• Threads damaged during removal
• Passage leaks after a sender is removed

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 22-328022 → Related to 22-328021
• 22-328021 → Related to 22-32802
• 22-32802 earlier OEM pipe-plug reference

OEM / Related Numbers

• 22-328022
• 328022
• 22328022
• 22-328021
• 22-32802
• 22-30139
• 22-841908

Aftermarket / Verified Equivalents

• Sierra: 18-4263
• GLM: 21893
• Chrysler / Force: FI5810151
• Chrysler / Force: F700633

📦 Condition

• Genuine Quicksilver part
• Brand new
• Supplied in original or equivalent packaging