Quicksilver 42121Q02 Aluminum Square Anode Set for Mercury or Mariner and Force Outboards Jacket Other "easy-load" bullets often fail

Other "easy-load" bullets often fail to properly engage the rifling

MR and Alpha drives

works for open water fishing too

Wine bottle compatible

Secondary inlet port for washdown pump connection

Quicksilver 42121Q02 Aluminum Square Anode Set for Mercury or Mariner and Force Outboards Jacket Other "easy-load" bullets often failThis premium spark plug set is engineered for 3. 0L Mercury outboards, featuring a durable stainless steel housing to resist corrosion in the saltwater environment. The copper core electrode ensures high conductivity and efficient heat removal, allowing your engine to run strong from startup to dock. Validated for marine use, these plugs deliver the reliability needed for long distance operation. Fits Mercury 3. 0L outboards; compatible with QL77CC