MerCruiser 4cyl 470 3.7L 170hp 180hp 190hp Bolt Set Exhaust Manifold Coupler Oil Pans V8-24 Stamp (some of the

V8-24 Stamp (some of the 305 Models will have a V822 Stamp on the amplifier box which is technically a different box with 22 degree timing advance curve)

This appears to have been professionally welded at some point in its history (You can see this specifically in picture 3

In 1986 this is the type of pan used with the 1-piece oil seal which would be the models with the suffix "WX & WXS"

For 120 / 140 drives S/N 3780849 and Below

MerCruiser 4cyl 470 3.7L 170hp 180hp 190hp Bolt Set Exhaust Manifold Coupler Oil Pans V8-24 Stamp (some of theItem Details Removed from a 1985 1986 MerCruiser 470 170hp With an Aluminum Exhaust Manifold Overall Good Condition This is just an assortment of bolts removed from that engine. Not everything is here, but basically just what you can see in the pictures. The head bolts are in a separate listing May work with other years & Models Parts Included You will receive everything in the pictures some of the major items listed below. Coupler Bolts 10 37612