Manifold Exhaust for Mercruiser 120 140 2.5-3.0L using MerCarb 1983-1989 1-99798
Direct replacement water cooled exhaust Manifold for Mercruiser Models 120/140 GM 153/181 CID 2.5L/3.0L Inline 4 Cylinder used between 1983 and 1989 with Mercarb Carburetor which has a bolt pattern measuring 1-15/16" X 3-5/8" inches.
Note: This Manifold will replace 5 or 6 Bolt Models Manifold
Manifold Exhaust for Mercruiser GM 181 3.0L 3.0LX 1990 and Up 806867A12 860235
Exhaust Manifold Assembly for Mercruiser Model 3.0LX/3.0L GM 181 CID Inline 4 cyl. (1990 and up) with Mercarb carburetor 1-5/16" X 3-5/8". Fits:
3.0L GM 181 Inline 4 1990-1994
3.0L GM 181 Inline 4 1998
3.0L GM 181 Inline 4 1990-1995
3.0L GM 181 Inline 4 1996-1997
3.0L GM 181 Inline 4 1999-Current
This item replaces Mercury Marine Quicksilver original equipment part # 806867A12 860235. This manifold includes all plugs, gaskets and mounting hardware to mount to head.
Uses a Carburetor Gasket with the following characteristics