NGK Mercury Spark Plug - BPZ8HS-15

Features:

• The heart of smooth-running engines around the world
• OEM quality
• Consistent performance
• Insulator made of 99% pure alumina silicate, allowing for longer insulator noses for reduced fouling
• Triple-gasket sealing process that eliminates fuel leakage
• Solid copper core provides superior heat dissipation and conductivity
• Resistor produced of a glass and carbon mixture, which is fired to ensure superior performance and durability
• Corrugated ribs that prevent flash over and cold rolled threads to inhibit damage to the cylinder head

Applications:

• Mercury Outboards
  • 9.9 HP 2-Stroke Outboards
  • 15 HP 2-Stroke Outboards

Specifications:

• Thread diameter: 14 mm
• Thread reach: 12.7 mm
• Seat type: Flat
• Hex size: 21 mm (13/16")
• Tip configuration: Projected
• Construction: Special Resistor
• Terminal type: Solid

Cross Reference for NGK BPZ8HS-15:

• Autolite 4121
• Champion QL78YC6
• Champion L78YC6
• Denso W24FPRU10
• Mercruiser 33-939
• Mercruiser 33-14814568
• NGK Stock 3180

Note: There are more outboard motor applications for this spark plug that are not listed here. See your Owner's Manual to confirm compatibility.

IMPORTANT: This chart is furnished as a guide only. Certain design differences may exist between this spark plug and another manufacturers and heat ratings can also vary. Always refer to the Manufacturer's application data to select the recommended spark plug for your specific engine