All 37 pages of this Yanmar 4TNE88-ETBC, TB150C, and 4TNV88-QTBC Parts Catalog are built around one task: finding the right part number without guessing. Every major engine system, from cylinder block and gear housing through the fuel injection pump, governor, and gasket set, gets its own exploded-view assembly diagram paired with a factory-numbered parts list. Interchangeability and Change Marks flag exactly which reference numbers cross between the 4TNE88 and 4TNV88 variants and which part numbers have been superseded, so you order the current piece, not a discontinued one. Each assembly section also calls out loose parts separately, giving you the complete picture before you pick up the phone. Wrong parts waste days. Bookmarked and keyword-searchable, this PDF lets you jump straight to any system, pull the reference number, and place the correct order the first time.
What's Inside This Yanmar 4TNE88-ETBC / 4TNV88-QTBC (TB150C) Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| How to Read This Parts Catalog | 2-3 | Ref. No., Lev., Change Mark, Interchangeability Mark, Effective Machine No., Remarks Mark |
| Cylinder Block | 4-5 | Parts Remarks |
| Gear Housing | 6-7 | Parts Remarks |
| Flywheel Housing & Oil Sump | 8-9 | Parts Remarks |
| Cylinder Head & Bonnet | 10-11 | Parts Remarks |
| Suction Manifold & Air Cleaner | 12-13 | Loose Parts |
| Exhaust Manifold & Silencer | 14-15 | Loose Parts |
| Camshaft & Driving Gear | 16-17 | Parts Remarks |
| Crankshaft & Piston | 18-19 | Parts Remarks |
| Lub. Oil System | 20-21 | Lubrication Oil System Assembly Diagram, Lubrication Oil System Parts List, Lubrication Oil System Parts Overview |
| Cooling Water System | 22-23 | Loose Parts |
| Fuel Injection Pump | 24-25 | Assembly Remarks |
| Governor | 26-27 | Governor Assembly Diagram, Governor Parts List, Governor Parts Overview |
| Fuel Injection Valve | 28-29 | Fuel Injection Valve Assembly Diagram, Fuel Injection Valve Parts List, Fuel Injection Valve Parts Overview |
| Fuel Line | 30-31 | Loose Parts |
| Starting Motor | 32-33 | Loose Parts |
| Generator | 34-35 | Loose Parts |
| Gasket Set | 36-37 | Optional Parts, Loose Parts |
Every system also includes an assembly diagram and a parts list.
Yanmar 4TNE88-ETBC / 4TNV88-QTBC (TB150C) Common Problems This Manual Covers
Yanmar 4TNE88-ETBC glow plug part number unknown, engine won't start in cold weather p. 10
Open the Starting Motor exploded view on page 32, then cross-reference the Cylinder Head & Bonnet section on page 10 for glow plug locations by ref. number. Verify the part number against your machine's effective serial number range using the Interchangeability Mark as explained on page 2. Order by the exact ref. number shown for your serial range.
Manual Section: Cylinder Head & BonnetCorrect fuel filter and fuel-water separator part numbers needed for fuel system service p. 30
Locate fuel system components in the Fuel Line exploded view on page 30. Identify each filter and separator by its ref. number in the parts list. Check the Remarks column for any Change Mark indicating a superseded part number, and confirm compatibility with your serial number range before ordering.
Manual Section: Fuel LineExhaust elbow kit part number needed after water intrusion damage to exhaust manifold p. 14
Turn to the Exhaust Manifold & Silencer section on page 14. Find the elbow or elbow kit in the Loose Parts list on page 14-15, noting the ref. number and any Interchangeability Mark indicating replacement kits. The Loose Parts callout on this section lists hardware sold separately from the main assembly, so order each line item that applies to your configuration.
Manual Section: Exhaust Manifold & SilencerWater pump impeller part number unclear, overheating shutdown recurring p. 22
Find the water pump assembly in the Cooling Water System section on page 22. Locate the impeller by its ref. number in the Loose Parts list. Cross-check the thermo switch (activation at 110°C, page 23) ref. number as well if you are replacing the full cooling circuit. Confirm effective machine serial number range before placing the order.
Manual Section: Cooling Water SystemFuel injection nozzle part number needed after clogging and black smoke complaint p. 28
Go to the Fuel Injection Valve section on page 28. Identify the nozzle and nozzle holder by ref. number in the parts diagram and list. Check the Assembly Remarks column in the Fuel Injection Pump section on page 24 for any associated seals or o-rings listed as separate line items that must be ordered alongside the nozzle.
Manual Section: Fuel Injection ValveOil filter part number and correct gasket set for full engine service unconfirmed p. 36
Find the oil filter in the Lub. Oil System section on page 20, identified by ref. number in the parts list. For a full engine service, cross-reference the Gasket Set section on page 36, which lists Optional Parts and Loose Parts separately. Verify each ref. number against your serial number range using the Effective Machine No. column before ordering to avoid receiving superseded or incompatible gaskets.
Manual Section: Gasket SetFrequently Asked Questions
What are the replacement specifications for Fuel Filters?
The manual lists the following components for the fuel filter system: the FUEL OIL FILTER (part number 129907-55801, quantity 1), the SEPARATOR ASSY (part number 129906-55700, quantity 1), and the ELEMENT (part number 119802-55710, quantity 1). These part numbers specify the correct components for replacement.
How do you fix yanmar 4TNE88-ETBC glow plug part number unknown, engine won't start in cold weather?
Open the Starting Motor exploded view on page 32, then cross-reference the Cylinder Head & Bonnet section on page 10 for glow plug locations by ref. number. Verify the part number against your machine's effective serial number range using the Interchangeability Mark as explained on page 2. Order by the exact ref. number shown for your serial range.
How do you fix correct fuel filter and water separator part numbers needed for system service?
Locate fuel system components in the Fuel Line exploded view on page 30. Identify each filter and separator by its ref. number in the parts list. Check the Remarks column for any Change Mark indicating a superseded part number, and confirm compatibility with your serial number range before ordering.
How do you fix exhaust elbow kit part number needed after water intrusion damage to exhaust manifold?
Turn to the Exhaust Manifold & Silencer section on page 14. Find the elbow or elbow kit in the Loose Parts list on page 14-15, noting the ref. number and any Interchangeability Mark indicating replacement kits. The Loose Parts callout on this section lists hardware sold separately from the main assembly, so order each line item that applies to your configuration.
What format is this manual in?
Immediate download of the complete 37-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print specific sections of this Yanmar 4TNE88-ETBC, TB150C, 4TNV88-QTBC?
Yes — the PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
Document Quality
This is a scanned PDF document with an OCR layer, allowing you to search and copy text. The OCR text is crisp and easy to read, although the underlying scanned images show slight fading in some areas. Diagrams are raster images, which means they will pixelate when zoomed in, but their labels are generally readable. Pages are clean with minimal scan artifacts and no skewed pages or notable blank pages.
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