MerCruiser 98503 98504A3 V6 V8 4.3 5.7 305 350 3" Single Exhaust Manifold Riser Fuel Lines & Filters 4-Wire Wiring harness plug for

4-Wire Wiring harness plug for MerCruiser Quicksilver control box Sterndrive applications using this style of plug connector

68D-E1111-00-94 - Cylinder Head & Valve Assembly

436-6646A 2 436-9072A 1

the controls were not "inline" like all subsequent models)

or just find the number located on the underside of your casing

MerCruiser 98503 98504A3 V6 V8 4.3 5.7 305 350 3" Single Exhaust Manifold Riser Fuel Lines & Filters 4-Wire Wiring harness plug forItem Details MerCruiser 98504A3 Exhaust Mainfold Elbow Riser Assembly AS THIS IS A QUANTITY LISTING, YOU WILL RECEIVE A RISER in equal condition to the one pictured here Stamped 98503 Cleaned & Repainted No cracks or welds Overall good condition Used on various MerCruiser V6 & V8 applications from 1981 1987, but generally the early years. Please make sure the parts you are swapping with are stamped 98503 or 95755 These have 3" exhaust tube outlets