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3781021 8781021 2778809
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"
The black plastic collector pieces have cracks in corner which was common for these
This appears to have been professionally welded at some point in its history (You can see this specifically in picture 3
Reed Valve Assembly: NA
MerCruiser 4cyl 470 3.7L 170hp 180hp 190hp Bolt Set Exhaust Manifold Coupler Oil Pans 3781021 8781021 2778809Item 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