The Spark Plug Ignition Wires For Mercruiser 4.3L V6 Thunderbolt 84-816761Q16 is designed to give you the ultimate performance you require. The pixels of the Spark Plug Ignition Wires For Mercruiser 4.3L V6 Thunderbolt 84-816761Q16 shows you the exact location of what is happening on the field, giving you the freedom to track players and situations.
Complete Wire Set for MerCruiser Thunderbolt V6
Brand New Ignition Wire Set for MerCruisers. This wire set meets or exceeds OEM specifications.
Replaces part # 84-816761Q16, 84-813720A11, 503751, 18-8810-1
When should you replace your wires?
- Plug wires or boots are cracked, dried out, or torn
- Engine is difficult to start, espcially in cold or damp weather
- Fuel economy has decreased
- Engine stalls or idles rough
- Poor acceleration
Fits: MerCruiser 4.3L engines from 1985-93 with Thunderbolt ignition systems