Check the listing for details. New Preferred JP7 Sierra 18-5759 Power Pack Fits 1978-83 4-Cyl OMC Free Shipping. Condition: New. Listed at 59.99 USD. New in original box Preferred JP7, Sierra 18-5759 Power Pack. Box is slightly faded from age and sitting on shelf. Fits many 4-cylinder OMC outboards built from 1978 thru 1983. Replaces OMC part 's 582125 and 581805. See pictures for application chart. Please verify fitment before purchase. This is leftover inventory from when I was a marine dealer, free ground shipping to lower 48. Preferred parts were quality parts.New in original box Preferred JP7, Sierra 18-5759 Power Pack. Box is slightly faded from age and sitting on shelf. Fits many 4-cylinder OMC outboards built from 1978 thru 1983. Replaces OMC part 's 582125 and 581805. See pictures for application chart. Please verify fitment before purchase. This is leftover inventory from when I was a marine dealer, free ground shipping to lower 48. Preferred parts were quality parts.