All 44 pages of this Yanmar OEM Parts Catalog (P-TB53FEBB) are built around one job: finding the correct part number for your 4TNV88-QTBZ engine installed in the TB53FR. Open it and you get exploded-view figures for every major assembly: Cylinder Block, Gear Housing, Flywheel Housing and Oil Sump, Cylinder Head, intake and exhaust manifolds, Camshaft and Driving Gear, Crankshaft and Piston, lube oil and cooling systems, a full Fuel Injection Pump breakdown with inner parts, Fuel Injection Valve, Starting Motor, Generator, and a complete Gasket Set. Each drawing is paired with itemized part numbers and descriptions so you go straight from diagram to order code. The oil pressure switch activates at 0.5 KG: factory spec, not a guess. Stop ordering the wrong parts. Bookmarked by assembly; search by keyword and land on the right figure in seconds.
What's Inside This Yanmar 4TNV88-QTBZ (TB53FR) Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 6-7 | Cylinder Block Assy, Camshaft Bush, Main Bearing Set Repair Part, Thrust Metal, Cylinder Head Gasket, Spacer, Main Metal Under-Sized Part, Thrust. Over-Sized Part Metal |
| Gear Housing | 8-9 | Gear Case Assy, Oil Seal, Pump Cover Assy, Lub. Oil Pump Cover, Relief Valve, Spring, Gear Case Frange, Filler Cover |
| Flywheel Housing & Oil Sump | 10-11 | Flywheel Housing, Flywheel Cover Cap, Oil Sump Spacer, Lub. Oil Sump Assy, Oil Seal Case Assy, Oil Seal, Liquid Optional Part Gasket |
| Cylinder Head & Bonnet | 12-13 | Cylinder Hed Assy, Valve Repair Part Guide, Intake Valve, Exhaust Valve, Valve Spring, Spring Retainer, Valve Stem Seal, Valve Cap |
| Suction Manifold & Air Cleaner | 14-15 | Breather Pipe, Int Manifold, Int.manofold Gasket, Air Heater, Air Heater Gasket, Gasket, Bend, Intake Pipe |
| Exhaust Manifold & Silencer | 16-17 | Exhaust Manifold, Exhaust Manifold Gasket, Silencer Gasket, Silencer |
| Camshaft & Driving Gear | 18-19 | Tappet, Push Rod, Camshaft Assy, Thrust Metal, Camshaft Gear, Idle Gear Shaft, Idle Gear Assy, Idle Gear Repair Part Bush |
| Crankshaft & Piston | 20-21 | Crankshaft Assy, Crankshaft Gear, Crankshaft V-Pulley, Flywheel Assy, Ring Gear, Piston Assy, Piston Ring Set, Connecting Rod Assy |
| Lub.Oil System | 22-23 | Lub. Oil Dipstick, Dipstick Guide, Gasket, Lub. Oil Pipe Assy, Filter 80X80L, Filter Bracket Assy, Lub. Oil Switch, Joint Bolt Assy |
| Cooling Water System | 24-25 | Water Pump Assy, Gasket, Plate, Joint, Thermo. Case Gasket, V-Pulley, V-Belt, Cooling Fan |
| Fuel Injection Pump | 26-27 | Fuel Injection Pump Assy, Fip Support, Stop Solenoid, Bolt |
| Fuel Injection Pump (Inner Parts) | 28-31 | Joint, Stopper, Dilevery Valve Assy, Spring, Delivery Holder, Cooling Water Joint, Lifter, Timer Set |
| Fuel Injection Valve | 32-33 | Fuel Injector, Nozzle Assy, Nozzle Holder Assy, Nozzle Spring, Nozzle Spring Seat, Stop Plate, Injection Pipe Retainer, Retainer |
| Fuel Line | 34-35 | Filter Bracket, Fuel Filter, Fuel Oil Pipe Assy, Fuel Pipe, Fuel Pump, Separator Assy, Retaining Ring, Element |
| Starting Motor | 36-37 | Starter, Pinion Shaft, Armature Assy, Field Coil Assy, Brush, Rear Cover, Brash Holder Assy, Brush Spring |
| Generator | 38-39 | Belt Adjuster, Alternator, Rotor Assy, Bearing Cover, Drive Flame Assy, Plate, Rear Flame Assy, Pulley |
| Gasket Set | 40-44 | Cylinder Head Gasket, Valve Stem Seal, Nozzle Protector, Nozzle Seat, Cover Gasket, Exhaust Manifold Gasket, Thermo. Case Gasket |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Oil Pressure Switch Activation | 0.5 KG | p. 23 |
Yanmar 4TNV88-QTBZ (TB53FR) Common Problems This Manual Covers
Yanmar 4TNV88-QTBZ fuel injection pump inner part numbers unclear across seven model variants in catalog p. 28
Check the Fuel Injection Pump exploded view on page 26, then review the inner parts breakdown on pages 28-31. This catalog covers 7 engine variants; delivery valve, timer set, and damper sub-assemblies carry separate part numbers per model. Confirm your exact engine model code and serial number before ordering any FIP component.
Manual Section: Fuel Injection Pump (Inner Parts)Fuel filter and fuel line assembly part numbers hard to confirm without the correct serial number p. 34
Open the Fuel Line section on page 34. The diagram covers the fuel filter, fuel pump, separator assembly, and all connecting pipe assemblies with individual part numbers. This catalog spans 7 engine variants; fuel filter bracket fitment and line routing differ between engine families. Verify your serial number against the parts list before ordering.
Manual Section: Fuel LineCylinder head gasket set part number needed, unsure whether full overhaul kit covers all seal positions p. 40
Turn to the Gasket Set section on page 40. The index on page 42 lists individual gaskets by sub-system: cylinder head gasket, FI pump O-ring, valve stem seals, and exhaust manifold gasket. Locate the complete kit part number in the index for a full overhaul, or order individual seal part numbers separately as needed.
Manual Section: Gasket SetStarter motor armature and field coil assembly part numbers missing from basic parts search p. 36
Open the Starting Motor section on page 36. The exploded diagram identifies each sub-assembly separately: shaft, pinion, armature assembly, and field coil assembly. Locate the part number for the specific failed component in the parts list on page 36. Confirm the starter designation matches your engine variant before placing the order.
Manual Section: Starting MotorWater pump and thermostat assembly part numbers needed when building a cooling system overhaul parts list p. 24
Check the Cooling Water System section on page 24. The diagram shows the water pump assembly, V-belt, fan, thermostat, pipe assemblies, and sub-tank assembly as separate line items. Order each component using its distinct part number from the parts list. Confirm assembly compatibility with your engine model code before ordering the pump or thermostat.
Manual Section: Cooling Water SystemOil pressure switch replacement part number and activation specification unclear when sourcing lub oil system parts p. 22
Open the Lub. Oil System section on page 22. Locate the oil pressure switch in the parts list and cross-reference with the filter bracket assembly on the same spread. The oil pressure switch activates at 0.5 KG — verify that any replacement part matches this specification before ordering to ensure correct system response.
Manual Section: Lub.Oil SystemFrequently Asked Questions
What are the replacement specifications for fuel filter?
The fuel filter for the Yanmar 4TNV88-QTBZ engine is identified by part number 119802-55800. The associated filter element has part number 119802-55710. The manual does not provide further replacement specifications such as intervals or performance ratings.
What are the replacement specifications for oil filter?
The oil filter for the Yanmar 4TNV88-QTBZ engine is specified as part number 129150-35152, with dimensions 80X80L. The manual provides this part number and size, but does not include additional replacement specifications like service intervals or detailed performance characteristics.
How do you fix yanmar 4TNV88-QTBZ fuel injection pump inner part numbers unclear across seven model variants in catalog?
Check the Fuel Injection Pump exploded view on page 26, then review the inner parts breakdown on pages 28-31. This catalog covers 7 engine variants; delivery valve, timer set, and damper sub-assemblies carry separate part numbers per model. Confirm your exact engine model code and serial number before ordering any FIP component.
How do you fix fuel filter and fuel line assembly part numbers hard to confirm without the correct serial number?
Open the Fuel Line section on page 34. The diagram covers the fuel filter, fuel pump, separator assembly, and all connecting pipe assemblies with individual part numbers. This catalog spans 7 engine variants; fuel filter bracket fitment and line routing differ between engine families. Verify your serial number against the parts list before ordering.
What do I get after purchasing this Yanmar 4TNV88-QTBZ & variants manual?
This is a 44-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Is this Yanmar 4TNV88-QTBZ & variants Parts Catalog printable?
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 accurate OCR text layer, so you can search and copy the full text content. The text is consistently crisp and highly readable throughout the entire document, with no blurry or faded sections. Diagrams and illustrations are raster images, but they are sharp, and all labels are clear and easy to read even when zoomed in. The pages are clean, well-aligned, and free from any scan artifacts, stains, or skewing. Please note that page 4 is a blank 'Memo' page.
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