Part of the Yanmar Parts Manuals.
Tracking down the right components for your marine auxiliary engine is simple with this 221-page Yanmar 6EY18(A)L Parts Catalog PDF (OEM #0CH10-M35901EN). You get highly detailed exploded views covering every system, from the MET18 turbocharger and cylinder block to the complete MDO and HFO fuel injection pump assemblies. Open the fuel and cooling sections to find exact factory part numbers, complete hardware sizes, and clear component identification charts that eliminate costly ordering mistakes. Verify you are requisitioning the precise M16X 40 studs or confirming the exact 1AP28.0 O-ring dimensions before you ever tear into the gear housing. Stop relying on fuzzy diagrams and guessed part numbers when placing your freight orders. Grab this bookmarked download, pull it up on your tablet right in the engine room, and get the correct hardware shipped today.
What's Inside This Yanmar 6EY18AL Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Injection Pump, Fuel Injection Pump Driving Device, Fuel Feed Pump, Fuel Injection Valve, Fuel Strainer, 146.Fuel Strainer, Fuel Press.Regulating Valve & Fuel Overflow Tank, Fuel Injection Pipe, Fuel Main Pipe, Fuel Pipe | |
| Cooling System | Lub. Oil Thermostat, Cooling Water Pump, 168.Cooling Water Pump, 169.Cooling Water Pump, Cooling Water Thermostat, Cooling Water Collecting Pipe, Cooling Water Valve, 121.Cooling Sea Water By-Pass Valve, Cooling Water Pipe, 119.Cooling Sea Water Pipe, 120.Cooling Sea Water Pipe, Cooling Water Inlet/Outlet Pipe, 144.Cooling Water Inlet/Outlet Pipe, Cooling Water Drain Pipe, Cooling Water Press. Switch Pipe & Gauge Pipe, 145.Cooling Water Press. Gauge Pipe | |
| Engine | Cylinder Block & Liner, Breather, 123.Turning Switch & Flywheel Cover, Cylinder Head, Valve Rocker Arm Support & Bonnet, Exhaust Manifold, Exhaust Manifold Cover, Camshaft, Crankshaft & Flywheel, Piston & Connecting Rod, Lub. Oil Pump, Lub. Oil Cooler, 118.Lub. Oil Cooler | |
| Electrical System | Boost Press.Switch & Boost Press.Pipe, Lub. Oil Press. Switch Pipe & Press. Gauge Pipe, 139.Lub. Oil Press.Gauge Pipe | |
| Hydraulics & 3-Point Hitch | Cylinder Side Cover, Cylinder Side & Fo-P Chamber Cover, Lub. Oil Priming Motor Pump, 164.Priming Motor Pump Inner Parts, 165.Priming Motor Pump Inner Parts, 166.Priming Motor Pump Inner Parts, 167.Priming Motor Pump Inner Parts, Lub. Oil Press. Regulating Valve, 143.Auto Sluice Valve, 124.Air Vent Valve & Outlet Pipe | |
| Body & Operator Station | 126.Cover, Fire Proof Cover | |
| Other Components | Reference Materials, Gear Housing, 122.Gear Housing, Oil Shield, Main Metal, Pointer, 125.Boost Press.Pipe, Idle Gear, Indicator Cock, Turbocharger, Turbocharger Conponent Part, Exhasut Outlet Pipe, Air Cooler, 117.Air Cooler, Blower & Turbin Washer Unit, Lub. Oil Dipstick |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bush Dimensions | 31X15 mm | p. 3 |
| Bolt Dimensions | M12X 25 PLATED | p. 7 |
| Stud Dimensions | M16X 40 | p. 7 |
| O-Ring Dimensions | 1AP28.0 | p. 7 |
| Nut Dimensions | M16 | p. 9 |
Yanmar 6EY18AL Common Problems This Manual Covers
Yanmar 6EY18(A)L internal coolant leak or pressure loss near the cylinder liner
Inspect the cylinder block and liner parts diagram on page 7. Find the exact part number for the 1AP28.0 O-Ring to reseal the liner. Identify the required packing components in the index to secure the assembly properly and prevent future leaks.
Manual Section: Cylinder Block & Liner p. 7Oil leaking heavily down the side of the engine block near the cylinder side cover
Review the cylinder side cover parts list on page 9. Locate the replacement side cover packing and gasket part numbers. Verify you order the correct M16X 50 bolt and M16 nut listed in the catalog to securely mount the cover plate and stop the seepage.
Manual Section: Cylinder Side Cover p. 9Stripped mounting threads or broken hardware inside the main engine block casing
Check the cylinder block exploded view on page 7. Find the exact part numbers for the M16X 40 stud and M12X 25 PLATED bolt. Order the correct replacement fasteners from the catalog to ensure proper clamping force and secure the heavy components.
Manual Section: Cylinder Block & Liner p. 7Frequently Asked Questions
How do you fix yanmar 6EY18(A)L internal coolant leak or pressure loss near the cylinder liner?
Inspect the cylinder block and liner parts diagram on page 7. Find the exact part number for the 1AP28.0 O-Ring to reseal the liner. Identify the required packing components in the index to secure the assembly properly and prevent future leaks. p. 7
How do you fix oil leaking heavily down the side of the engine block near the cylinder side cover?
Review the cylinder side cover parts list on page 9. Locate the replacement side cover packing and gasket part numbers. Verify you order the correct M16X 50 bolt and M16 nut listed in the catalog to securely mount the cover plate and stop the seepage. p. 9
How do you fix stripped mounting threads or broken hardware inside the main engine block casing?
Check the cylinder block exploded view on page 7. Find the exact part numbers for the M16X 40 stud and M12X 25 PLATED bolt. Order the correct replacement fasteners from the catalog to ensure proper clamping force and secure the heavy components. p. 7
What format is this manual in?
A 221-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print this manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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