15% Off Orders Over $100 Plus Free Shipping! Use Promo Code: SUMMER15

Sierra Wiring/Plug Set For Mercury Marine/OMC Engine, Sierra Part #18-8803-2

Item # 7003418
Please make sure all selections are complete and a valid quantity is entered and try again.

In Stock


  • Sierra Part #18-8803-2

  • Wiring/plug set

  • For Mercury Marine/OMC engine

Product Summary 

Sierra wiring/plug set for Mercury Marine/OMC engine. Sierra Part #18-8803-2.

OEM Part Numbers:
Mercury Marine: 84-813720A9
Mercury Marine: 84-813720A10
Mercury Marine: 84-816761A9
Mercury Marine: 84-816761Q10
Mercury Marine: 84-816761Q9
OMC: 503755
OMC: 503752