An engine spark plug with a centre electrode, and is commonly used on larger Mercury and Mariner engines. This is a replacement for the NGK BUHW-2.
The Denso SF-51 (BUHW-2) Spark Plug is an engine spark plug with a centre electrode and is commonly used on larger Mercury and Mariner engines.
This spark plug is a replacement for the NGK BUHW-2.
A spark plug ignites the fuel/air mixture in combustion engines to ignite and run the engine.
It is important to maintain spark plugs and replace them frequently for optimal engine performance.
| Diameter | 14mm |
| Thread Length | 12.7mm |
| Bolt Head Diameter | 16mm |
| Alternative Part No. | NGK: BUHW-2 Quicksilver / Mercury: 33-896329833 |
