Mercury 8M0103773 Exhaust Manifold, Starboard Side, EC, Single Catalyst, Starboard Side Only on V8 MerCruiser Sterndrive and Inboard Engines PMBUCK3 GX 180 DegreesG

GX 180 DegreesG

and a loop to attach a lanyard (not included)

you would have one battery for starting and an auxiliary deep cycle battery for the trolling motor and/or other accessories

for example

Mercury 864703A1 Hose

Mercury 8M0103773 Exhaust Manifold, Starboard Side, EC, Single Catalyst, Starboard Side Only on V8 MerCruiser Sterndrive and Inboard Engines PMBUCK3 GX 180 DegreesGExhaust manifold 8M0103773 is for the starboard side only on V8 MerCruiser sterndrive and inboard engines (3. 5, 350 and 377 cid, model year 2008 and newer). Product Details Manufacturer part number: 8M0103773 Starboard side exhaust manifold featuring single catalyst design For select MerCruiser sterndrive and inboard engines Coated for corrosion protection on internal coolant passages and exterior finish Includes manifold to head gasket Starboard