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Manifold Exhaust Port 8M0104214
Exhaust Manifold Port 8M0104214
This exhaust component directs exhaust gases and, depending on the design, injected coolant from the manifold into the downstream wet exhaust system.
It is mounted in the area of the manifold, riser, or exhaust pipe. Corrosion, cracking, or internal wall erosion can lead to leaks, water ingress, or thermal overload.
Component classification: Exhaust component / Wet exhaust component
System function: Exhaust routing in a marine wet exhaust system
Compatible Manufacturers: Mercury / MerCruiser
Compatible Models: Various Mercury and MerCruiser engines—check serial number
Part Numbers:
FAQ
What exactly is the purpose/function of this component?
The component performs a specific mechanical or electrical function within the respective engine or propulsion system, such as fuel delivery, electrical switching, sealing, or motion transmission. It ensures that the associated system circuit operates correctly and that other components are reliably supplied or controlled. How can you tell if there is a defect? What are the typical symptoms?
Typical signs include malfunctions in the affected assembly, irregular engine operation, starting problems, pressure loss, leaks, or error messages in the system. Visible damage, corrosion, material fatigue, or loose connections may also indicate a defect. How do you inspect or test the component?
Electrical components are tested for voltage, resistance, or continuity using a multimeter; in addition, connectors and cables should be visually inspected. Mechanical components are inspected for cracks, wear, deformation, leaks, as well as proper fit and unimpeded movement. When should the component be replaced?
Replacement is necessary if malfunctions occur, electrical readings fall outside the manufacturer’s specifications, or visible damage is present. Preventive replacement is advisable as part of major maintenance, during motor overhauls, or when age-related material wear is expected. How do you check compatibility with your own motor?
Compatibility is verified using the original part number, available equivalent part numbers, and the technical specifications. Additionally, the design, connection type, connector type, and relevant dimensions should be compared with the existing component or the manufacturer’s documentation.