Features:
- The NGK Spark Plug is the workhorse, at the heart of smooth-running engines around the world
- OEM Quality
- Consistent Performance
- Plug of Choice in Millions of Marine Engines
- The spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling
- Triple-Gasket Sealing Process
- This spark plug features a triple gasket sealing process that eliminates fuel leakage
- It also includes a solid copper core that provides superior heat dissipation and conductivity
- This spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability
- It has corrugated ribs that prevent flash over and cold rolled threads to inhibit damage to the cylinder head
Applications:
- Tohatsu, Nissan 5 HP through 25 HP 2-Stroke Outboards (18C only)
- Use B7HS-10 for Model 18D Outboards
- Mercury 4 HP 2-Stroke Single Cylinder Outboards
- Models 5B, 8B and 9.8B Outboards
Note: There are more outboard motor applications for this spark plug that are not listed here. See your Owner's Manual to confirm compatibility.
Specifications:
- Thread diameter: 14 mm
- Thread reach: 12.7 mm
- Seat type: Flat
- Hex size: 21 mm (13/16")
- Tip configuration: Projected
- Construction: Standard construction
- Terminal type: Removable
Cross Reference for NGK BP7HS-10:
- AC Delco R42FS
- Autolite 4113
- Autolite 4123
- Bosch W7BC
- Bosch Stock 7597
- Champion L7YC4
- Champion OE038
- Champion RL87YC
- Champion P-L7YC4
- Champion L82YC
- Champion Stock 327
- Denso W22FP-U10
- Denso 4168
- Denso W20FP-U10
- Denso W22FPU10
- Denso Stock 6037
- General Motors 5613527
- Mercruiser 33-97184
- Motorcraft AE2C
- Napa X936
- NGK Stock 7829
- Yamaha 94701 00264