MerCruiser 85784A1 MerCarb 3" Flame Arrestor 4cyl 2.5L 120hp 3.0L 140hp 1987-95 Fuel Lines & Filters Looks like there is a

Looks like there is a small welded repair on the bottom

"O" type gear housing Generally 1981-1989

This would have been found on all of the Mechanical or Hydro-Mechanical Shift OMC Stringer Upper Gear housings 1978-1985 regardless of engine configuration

0L 4-cyl 140hp

MerCruiser 85784A1 MerCarb 3" Flame Arrestor 4cyl 2.5L 120hp 3.0L 140hp 1987-95 Fuel Lines & Filters Looks like there is aItem Details Roughly 3" opening for MerCarb Carburetors Stamped 85784 But functionally equivalent to those stamped 571517AA (which I have seen before and they use multiple illustrations in the parts diagrams) ZENITH A175 65 Overall Good condition USCG Approved Part Numbers Included 85784 85784A1 Flame Arrestor Includes vent Hose MerCruiser 32 12558 for GM 4cyl applications using (NEW DESIGN) TOP MOUNT SHIFTING GM 2. 5L 120hp (2BBL (MerCarb w Side