Exhaust Flapper Valve - 4" from SIERRA
Heavy duty rubber flapper valve keeps following seas from entering exhaust outlet when moving slowly or stopping.

Impeller, 18-3062 from SIERRA
Recommended replacement schedule is every 3 years for fresh water and every year for salt water Click to view a Sierra Impeller Application Chart (PDF) For further assistance, have your year & model information handy and call our Product Advisors at 1-800-BOATING.

Gasket 1189-0000 from JABSCO
Jabsco gaskets & gasket kits.

CARB GASKET KIT from SIERRA
Sierra carb kits and gaskets for engine tune ups.

Water Circulating Pump - #18-3581 - Chrysler Inbd # 3004886, 3619542, 3619859, 3745985 from SIERRA
Water Pumps The water pump is the heart of your inboard or I/O cooling system. All Sierra pumps are bidirectional and can be installed on reverse rotation engines. The pumps are also powder coated for additional protection. Includes mounting gasket. Pumps include brass bi-directional impellers, brass plugs and fittings, carbon resin seal, all mounting gaskets, stainless steel seal cup and spring, stainless steel back plate (where required), and powder coating for maximum corrosion protection.

Mercury/Mariner Outboards, 1990-2000, All 2-stroke engines, 2.5-275HP from SELOC PUBLICATIONS
SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written to serve the needs of the professional mechanic, do-it-yourself boat enthusiast, instructor and student, these manuals are based on actual teardowns done by Seloc’s editors/authors in our on-site facility. This manual covers Mercury/Mariner Outboards, all 2-stroke engines, 2. 5-275HP from 1990-2000. Hundreds of exploded drawings, photographs and tables . Troubleshooting sections .