All 40 pages of this Yanmar 4TNE98-BV(VIO70) Parts Catalog (OEM #Y00B5472) serve one purpose: getting you the right OEM part number before you call the counter. Inside, exploded-view diagrams with individual line-item callouts cover 13 engine assembly groups: cylinder block, gear housing, flywheel housing and oil sump, cylinder head, intake and exhaust manifolds, camshaft and driving gear, crankshaft and piston, lubrication system, cooling water system, fuel injection pump, governor, and fuel injection valve. Every sub-component is listed separately; in the injection valve section alone, the nozzle, nozzle holder, nozzle spring, and shim pack each carry a unique OEM reference number. Stop ordering close-enough parts and waiting on returns. Bookmarked by assembly group, jump to any system in one click and walk away with the exact number you need.
What's Inside This Yanmar 4TNE98-BV (ViO70) Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3-4 | Block Assy, Cylinder, Plug, Bolt, Bush, Bearing Assy, Gasket |
| Gear Housing | 5-6 | Cover, Seal, Pump Assy, Lub. Oil, O-Ring, Bolt, Nut |
| Flywheel Housing & Lub. Oil Sump | 7-8 | Housing, Flywheel, Sump Assy, Oil, Drain Plug, Seal, Bolt, Parallel Pin |
| Cylinder Head & Bonnet | 9-10 | Head Assy, Cylinder, Valve, Spring, Seal, Support Asy, ROCK.ARM, Gasket |
| Suc. Manifold | 11-12 | Manifold, Int, Gasket, Air Heater, Bolt |
| Exh. Manifold & Silencer | 13-14 | Manifold, Exhaust, Gasket, Bolt, Stud, Nut, Silencer |
| Camshaft & Driving Gear | 15-16 | Camshaft Assy, Gear, Tappet, Rod, Push, Shaft, Idler, Bush |
| Crankshaft & Piston | 17-18 | Crankshaft Comp, Piston W/RING, Rod Assy, Connecting, Flywheel Assy, Gear, Bearing, Pin |
| Lub. Oil System | 19-20 | Dipstick, Filter, Pipe Assy, Oil Pressure Switch, O-Ring, Seal Washer |
| Cooling Water System | 21-23 | Water Pump, Pulley, V-Belt, Fan, Thermostat, Gasket |
| Fuel Injection Pump | 24-26 | Plunger, Delivery Valve, Tappet, Control Rack, Lever, Shim |
| Governor | 27-28 | Lever, Spring, Control Rack, Flyweight Assy, Shim, Camshaft |
| Fuel Injection Valve | 29-40 | Fuel Valve, Nozzle, Nozzle Holder, Nozzle Spring, Shim Pack, Injection Pipe |
Yanmar 4TNE98-BV (ViO70) Common Problems This Manual Covers
Yanmar 4TNE98-BV fuel injection nozzle part number unclear, need correct nozzle and holder assembly p. 29
Open the Fuel Injection Valve exploded view starting on page 29. Locate the Nozzle, Nozzle Holder, and Nozzle Spring entries in the parts list. Cross-reference the Shim Pack listings to confirm the full assembly. Verify your serial number range against the Parts Number List before ordering; shim selection varies by production run.
Manual Section: Fuel Injection ValveCan't identify correct fuel injection pump plunger and delivery valve part numbers for rebuild kit p. 24
Turn to the Fuel Injection Pump exploded view on page 24. The Plunger, Delivery Valve, and Control Rack are each listed with individual part numbers. Note the Shim and Tappet entries separately; these are not included in a single kit and must be ordered individually. Confirm against the Parts Number List for your serial range.
Manual Section: Fuel Injection PumpCooling water pump impeller and thermostat part numbers needed, machine overheating after short runtime p. 21
Go to the Cooling Water System section starting on page 21. The Water Pump assembly, Pulley, V-Belt, Fan, Thermostat, and Gasket are all listed with separate part numbers. Order the Thermostat and Water Pump entries independently; they are not bundled. Cross-check part numbers against before placing an order.
Manual Section: Cooling Water SystemOil filter and oil pressure switch part numbers needed for lubrication system service p. 19
Find the Lub. Oil System parts list on page 19. The Filter, Oil Pressure Switch, and associated O-Ring and Seal Washer are each assigned individual part numbers. The Dipstick and Pipe Assembly are listed separately; confirm which items you need before ordering. Verify serial number compatibility.
Manual Section: Lub. Oil SystemGlow plug and air heater part numbers missing, hard starting in cold weather suspected p. 11
Go to the Suc. Manifold section on page 11. The Air Heater component is listed there with its part number alongside the Manifold and Gasket entries. For glow plug identification, check the Cylinder Head & Bonnet parts list on page 9; valve train and head ancillary parts including heater-related components appear in that exploded view. Cross-reference both sections against for your serial range.
Manual Section: Suc. ManifoldCrankshaft bearings and connecting rod assembly part numbers needed after low oil pressure damage p. 17
Open the Crankshaft & Piston exploded view on page 17. The Crankshaft Comp, Bearing, Connecting Rod Assembly, and Piston with Ring entries are all listed individually with part numbers. The Flywheel Assembly and Gear are separate line items; do not assume they are included in a bearing set. Confirm all part numbers against the Parts Number List for your serial range before ordering.
Manual Section: Crankshaft & PistonFrequently Asked Questions
What are the replacement specifications for fuel filters?
The manual identifies the fuel filter with part number 119000-55600 and the fuel filter body with part number 129470-55610. These part numbers serve as replacement specifications for the Yanmar 4TNE98-BV engine's fuel system.
How do you fix yanmar 4TNE98-BV fuel injection nozzle part number unclear, need correct nozzle and holder assembly?
Open the Fuel Injection Valve exploded view starting on page 29. Locate the Nozzle, Nozzle Holder, and Nozzle Spring entries in the parts list. Cross-reference the Shim Pack listings to confirm the full assembly. Verify your serial number range against the Parts Number List before ordering; shim selection varies by production run.
How do you fix can't identify correct fuel injection pump plunger and delivery valve part numbers for rebuild kit?
Turn to the Fuel Injection Pump exploded view on page 24. The Plunger, Delivery Valve, and Control Rack are each listed with individual part numbers. Note the Shim and Tappet entries separately; these are not included in a single kit and must be ordered individually. Confirm against the Parts Number List for your serial range.
How do you fix cooling water pump impeller and thermostat part numbers needed, machine overheating after short runtime?
Go to the Cooling Water System section starting on page 21. The Water Pump assembly, Pulley, V-Belt, Fan, Thermostat, and Gasket are all listed with separate part numbers. Order the Thermostat and Water Pump entries independently; they are not bundled. Cross-check part numbers against before placing an order.
What format is this manual in?
Immediate download of the complete 40-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
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.
Document Quality
This document is a scanned PDF with an OCR layer, allowing you to search and copy the full text. The OCR text is crisp and easy to read throughout the parts lists. All diagrams are clear line drawings, and their labels are consistently readable at various zoom levels. The pages are clean, free from scan artifacts, stains, or skewed content. There are no notable blank or filler pages present in this document.
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