MerCruiser 42673-C1 140hp 3.0L Water Exhaust Manifold MerCarb Top Mount Shifting Camshaft Item Details & Compatibility From

Item Details & Compatibility From a AQ 275 Upper Gear Unit (or maybe a few units)

Starter Pulley: 276589

Item Compatibility  (Where Used) By Serial Number

Bearings piston side: 378251

AQ-270 AQ-270E AQ-270TE

MerCruiser 42673-C1 140hp 3.0L Water Exhaust Manifold MerCarb Top Mount Shifting Camshaft Item Details & Compatibility FromItem Details First This is only applicable to 1984ish 1998ish 3. 0L 2. 5L 4cyl engines that had the shifting components located on top of the valve cover and not mounted to the side of this manifold Probably easiest to just check and see what number is stamped on the side of yours Great Shape. Not cracked, not welded or patched. Freshwater used part. The Stamped Part Number is 42673C1. (This is slightly different than 42673 without the C1 at the end)