Spark Plug Champion - Crown

The Champion W89D Spark Plug (Crown part number W89D, stock number 589) is a heavy-duty industrial spark plug designed for high-compression and high-temperature applications. Here's a detailed breakdown:

🔧 Technical Specifications:

• Thread Diameter: 23mm
• Thread Reach: 16mm
• Seat Type: Flat
• Hex Size: 23.8mm
• Tip Configuration: Extra projected
• Construction: Standard
• Terminal Type: Removable 

🔁 Cross Reference Equivalents:

The W89D is interchangeable with several other spark plugs, including:

• Champion: 44, 589, A44-44D, A4444D
• ACDelco: 18
• Autolite: 3077
• Motorcraft: TT15, stk 101
• Stitt: 17, 17E, 17EX, 912
• General Motors: 5613050
• GPG-Gateway: 9089525 
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🌟 Applications:

• Commonly used in industrial engines, agricultural machinery, and stationary power equipment
• Built to withstand harsh environments and extended service intervals