Champion Mercury Spark Plug - L78V

Features:

• Great choice for OE-replacement on older automotive engines, lawn and garden applications and similar engines
• Nickel alloy center and ground electrode provide good wear characteristics and the extrusion of copper into the center electrode allows for an increase in conductivity and heat control
• Provides dependable performance and durability
• The Copper core center electrode allows accurate control of heat range, optimizing plug performance and longevity

Applications:

• Mercury 4 HP (1 cylinder) outboards

Specifications:

• Thread diameter: 14 mm
• Thread reach: 12.7 mm
• Seat type: Flat
• Hex size: 21 mm (13/16")
• Tip configuration: Non-projected
• Construction: Semi or surface discharge
• Terminal type: Solid

Cross reference for Champion L78V:

• AC Delco V40FFK
• Autolite 2872
• Bosch W4AC
• Bosch WEA
• Champion Stock 833
• Denso SF-51
• Denso SF51
• Denso 6002
• Denso Stock 6002
• General Motors 5613358
• Mercruiser 33-833S
• Mercruiser 33-97182B
• Mercruiser 33-833C
• Mercruiser 33-97182
• Motorcraft AVKOD
• NGK BUHW-2
• NGK Stock 5626
• OMC 509922

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