Looking for factory part numbers on the Isuzu 4JJ1XZSB02 engine in your Takeuchi TB295W excavator? This 93-page catalog (OEM #P-TB295WFEB) maps every component from cylinder head gaskets to turbocharger seals with exploded-view diagrams and OEM cross-references. Detailed breakdowns cover the crankshaft assembly, fuel injection system, oil pump, cooling system, and emission controls across 40+ sections of numbered components with exact Isuzu part numbers. The cylinder head gasket comes in three thickness grades: 1.05 mm (1-notch), 1.10 mm (2-notch), and 1.15 mm (3-notch). No more ordering wrong parts because you eyeballed a forum diagram. Bookmarked by system, so you can jump straight to camshaft components or water pump seals without scrolling through unrelated sections.
What's Inside This Isuzu 4JJ1XZSB02 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| How to read this Parts Catalog. | 2-3 | - |
| How to refer to ID Plate | 4-4 | - |
| ⑥ Assemblies, Kits, Sets and Their Components | 5-5 | - |
| Abbreviation List | 6-9 | - |
| Engine Gasket Kit (1/2) | 10-11 | - |
| Engine Gasket Kit (2/2) | 12-13 | - |
| Cylinder Head Cover | 14-15 | - |
| Cylinder Head (1/2) | 16-17 | - |
| Cylinder Head (2/2) | 18-19 | - |
| Cylinder Block (1/2) | 20-21 | - |
| Cylinder Block (2/2) | 22-23 | - |
| Oil Pan | 24-25 | - |
| Camshaft and Valve (1/2) | 26-27 | - |
| Camshaft and Valve (2/2) | 28-29 | - |
| Crankshaft, Piston and Flywheel | 30-31 | - |
| Timing Gear Case and Flywheel Housing | 32-33 | - |
| Engine Mounting | 34-35 | - |
| Inlet Manifold | 36-37 | - |
| Exhaust Manifold | 38-39 | - |
| Ventilation System | 40-41 | - |
| Water Pump and Corrosion Resistor | 42-43 | - |
| Thermostat and Housing | 44-45 | - |
| Water Piping; Engine | 46-47 | - |
| Fan and Fan Belt | 48-49 | - |
| Turbocharger System | 50-51 | - |
| Fuel Injection System (1/2) | 52-53 | - |
| Fuel Injection System (2/2) | 54-55 | - |
| Fuel Filter and Bracket | 56-57 | - |
| Oil Cooler and Oil Filter | 58-59 | - |
| Oil Pump and Oil Strainer | 60-61 | - |
| Oil and Vacuum Piping; Engine (1/2) | 62-63 | - |
| Oil and Vacuum Piping; Engine (2/2) | 64-65 | - |
| Emission Piping (1/2) | 66-67 | - |
| Emission Piping (2/2) | 68-69 | - |
| Engine Electrical Control Parts (1/2) | 70-71 | - |
| Engine Electrical Control Parts (2/2) | 72-73 | - |
| Starter | 74-75 | - |
| Generator | 76-77 | - |
| Wiring Harness and Fuse | 78-79 | - |
| Fixing Parts; Wiring Harness | 80-81 | - |
| Switch and Relay; Instrument Panel | 82-83 | - |
| Exhaust Pipe and Silencer (1/2) | 84-85 | - |
| Exhaust Pipe and Silencer (2/2) | 86-87 | - |
| Electrical Control and Other Parts | 88-89 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cylinder Head Gasket Thickness (1-Notch) | 1.05 mm | p. 17 |
| Cylinder Head Gasket Thickness (2-Notch) | 1.10 mm | p. 17 |
| Cylinder Head Gasket Thickness (3-Notch) | T=1.15 mm | p. 17 |
| Cylinder Head to Block Bolt Size | M11x114 | p. 17 |
| Glow Plug Voltage | 24V | p. 17 |
| Flywheel Ring Gear Tooth Count | Z=122 | p. 31 |
| Flywheel Bolt Size | M13x45 | p. 31 |
| Connecting Rod Bolt Size | M11x44.5 | p. 31 |
| Thermostat Opening Temperature | 82°C | p. 45 |
| Cooling Fan Belt Length | L=1007 mm | p. 49 |
| Starter Assembly Rating | 24V 4.0KW | p. 71 |
| Generator Assembly Rating | 24V 50A | p. 71 |
Isuzu 4JJ1XZSB02 Common Problems This Manual Covers
Isuzu 4JJ1XZSB02 cylinder head gasket part number needed after overheating, multiple thickness options listed p. 16
Review the exploded view on page 16. Cylinder head gaskets come in three thicknesses: 1-notch (1.05 mm), 2-notch (1.10 mm), and 3-notch (1.15 mm) per page 17. Measure piston protrusion to select the correct grade. Match your clearance reading to the parts list on page 17 for the specific part number.
Manual Section: Cylinder Head (1/2)Turbocharger assembly part number unclear, need to identify oil feed and return line components p. 50
Open the turbocharger system exploded view on page 50. The diagram shows oil feed pipes, return lines, gaskets, and mounting hardware with individual reference numbers. Cross-reference each number with the parts list on page 51 to order oil piping separately or as part of a turbo kit.
Manual Section: Turbocharger SystemFuel injector replacement needed, unsure which nozzle assembly part number fits this serial range p. 52
Consult the fuel injection system diagram on page 52. Each injector assembly appears with its reference number and serial number applicability notes. Verify your engine serial on the ID plate per page 4, then match it to the effective machine number column on page 53 for the correct injector part number.
Manual Section: Fuel Injection System (1/2)Thermostat housing gasket and seal kit part numbers not found in cooling section index p. 44
Refer to the thermostat and housing exploded view on page 44. The diagram identifies the housing gasket, O-rings, and thermostat (opens at 82°C) with individual part numbers. For a complete seal kit, check the engine gasket kit breakdown on page 10 to verify whether thermostat seals are included or sold separately.
Manual Section: Thermostat and HousingEGR valve assembly part number needed, emission piping diagram shows multiple configurations p. 66
Find the emission piping exploded view on page 66. The EGR valve assembly and mounting gaskets appear with reference numbers; the parts list is on page 67. See page 3 to interpret effective machine numbers and change marks, confirming you order the correct part for your engine's serial.
Manual Section: Emission Piping (1/2)Starter motor replacement needed, 24V 4.0KW rating confirmed but unsure of pinion gear part availability p. 74
View the starter exploded diagram on page 74. The breakdown shows the drive pinion, solenoid, armature, and mounting bolts with individual part numbers. Starter rating is 24V 4.0KW per page 71. If only the pinion is worn, order it separately using the reference number from page 75 rather than replacing the entire unit.
Manual Section: StarterFrequently Asked Questions
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