Sierra 18-8800-1 Marine Spark Plug Wire Set Mallory 9-28020 Mercury 84-816761Q5

SIERRA MARINE PARTS 18-8800-1. Condition: New.
Interchange: 84-816761Q5 , 503748; 9-28020, 84-813720A5,
Cyl.: 4. Replaces: Mallory 9-28020, Mercury Marine 84-816761Q5, 84-813720A5, OMC Stern Drive 503748.