Mercruiser 4-Cylinder 181 C.I.D. 140 H.P. 3.0L & 3.0 LX Models
All models 1990 & later (Vortec style head): Log style direct replacement
| Part Number | Description |
|---|---|
| MC-1-860235 | Direct replacement exhaust manifold. Replaces MerCruiser part number 860235A04. |
| MC-20-12076 | Direct replacement exhaust riser. Replaces MerCruiser part number 12076A2. |
| MC-20-12076P | Exhaust riser mounting kit. |
| 50-170-207 | 3/8"-16 X 3/4" Hex head cap screw (for mounting lifting eye). |
| 50-512-020 | Fitting, 3/4" N.P.T. X 1" hose. |
| MC47-27-99777-2 | Replacement exhaust riser to manifold gasket. Supersedes MerCruiser part numbers 27-52076 and 27-99777. |
| MC47-27-807982 | Replacement carburetor to intake / exhaust manifold gasket. |
| MC47-27-815528 | Replacement cylinder head to exhaust manifold gasket. |
| MC-50-865549 | Lifting eye. |
| MC-50-10-53728 | Replacement 3/8"-16 X 4-5/8" screw. |
| MC-50-10-806300 | Replacement 3/8" X 5-3/8" stud. |
| MC-50-11-24883 | Replacement nut. |
| MC-50-11-862902 | Replacement nut. |
| MC-50-12-20553 | Replacement washer. |
| MC-50-22-806608 | Drain plug. |
| MC-50-22-845175 | Replacement reducer bushing, 3/4" to 3/8". |
| MC-50-22-862065 | Replacement 90-degree adaptor assembly. |
| MC-50-25-32506 | Replacement O-ring. |
| MC-50-32-14797 | Replacement fuel line. |
| MC-50-23-861634 | Replacement cooling water hose, formed. |
Note
Manifold includes all plugs, gaskets and mounting hardware to head. Risers include plugs, gasket and mounting hardware to mount to manifold.