Introduction

This premium spare parts lineup is precision-engineered exclusively for the TC24 turbocharger, fully compatible with Mitsubishi S6U MPTK engines widely used in heavy-duty drilling power units, industrial generator sets, and marine propulsion systems. Target users include engine maintenance technicians, turbocharger rebuild specialists, power system asset managers, and industrial procurement teams who prioritize zero unplanned downtime, consistent boost pressure output, and strict compliance with ISO 8178 and API 7K industry standards for heavy-duty engine components.
Functional Description
These components support the core operational systems of the TC24 turbocharger, with key functions including:
- Shaft Support & Stability: Precision bearings and thrust bearings maintain turbo shaft alignment at 80,000+ RPM, reducing friction and preventing catastrophic shaft failure.
- Oil Containment & Sealing: Oil control sleeves, O-rings, and gaskets prevent lubricant leakage and isolate turbo oil flow from intake/exhaust gases, maintaining clean operation.
- Fastening & Retention: Lock nuts, snap rings, and lock plates secure internal components and mounting hardware, resisting vibration and thermal expansion during operation.
- Thermal & Wear Protection: Oil deflectors, shims, and spacers regulate lubricant flow, compensate for thermal expansion, and extend the service life of rotating turbo components.
Structural & Material Characteristics
- Bearing Components: High-precision alloy steel journal and thrust bearings with a surface hardness of HRC 60–62, rated for 15,000+ hours of continuous high-speed operation.
- Sealing Components: High-temperature nitrile rubber O-rings and gaskets resistant to synthetic turbo oils, with a thermal operating range of -40°F to 1,200°F.
- Fastening Components: Grade 8 heat-treated steel nuts, bolts, and lock washers with corrosion-resistant coating, designed to withstand extreme vibration without loosening.
Applicable Operating Conditions
- Applicable Equipment: TC24 Turbocharger (Mitsubishi S6U MPTK Engine)
- Turbo Speed Range: Up to 85,000 RPM
- Operating Temperature Range: -40°F (-40°C) to 1,200°F (649°C)
- Application Scenarios: Drilling rig power units, industrial generator sets, marine propulsion systems, heavy-duty industrial engines
- Standards Compliance: ISO 8178 (engine emissions), API 7K (drilling equipment), ISO 9001 (quality management)
Maintenance & Service Recommendations
- Inspect turbocharger bearings, thrust rings, and oil seals every 3,000 operating hours for wear, scoring, or oil leakage signs.
- Replace all sealing components (O-rings, gaskets, oil control sleeves) during every full turbo rebuild to prevent post-repair leaks.
- Lubricate bearings with manufacturer-recommended synthetic turbo oil before initial startup after rebuild to prevent dry friction damage.
- Torque all nuts, bolts, and lock plates to OEM-specified values during assembly to avoid vibration-related loosening.
- Inspect snap rings and lock plates quarterly for fatigue or damage, replacing worn components immediately to prevent internal component shift.
- Store spare parts in a temperature-controlled, dust-free environment to prevent seal hardening, bearing corrosion, and dimensional distortion.
We supply the following spare parts:
Spare Parts Turbocharger Model TC24
| Item | Descripcion | N° Parte |
| 1 | Nut lock | 49125-42400 |
| 2 | Wsher lock | 49125-42600 |
| 3 | Wsher plain | F2500-12000 |
| 4 | Wsher spring | F2515-12000 |
| 5 | Nut | F2300-12000 |
| 6 | Shim | 49125-43100 |
| 7 | ||
| 8 | Deflector oil | 49125-21400 |
| 9 | Sleeve espacer | 49125-42200 |
| 10 | Bearing thrust | 49125-21600 |
| 11 | Bearing | 29125-22100 |
| 12 | Ring thrust | 49125-42101 |
| 13 | Ring Snap | 49125-22300 |
| 14 | Washer tongue | F2565-08000 |
| 15 | Bolt | F1035-08020 |
| 16 | Sleeve oil control | 49125-22200 |
| 17 | O-ring | F3153-13500 |
| 18 | nut | F2300-12000 |
| 19 | Ring wire | 49125-17100 |
| 20 | Gasket | 49125-21300 |
| 21 | Ring piston | 49125-24100 |
| 22 | Washer lock | 49121-23500 |
| 23 | Bolt | 07701-08014 |
| 24 | Ring wire | 49125-17200 |
| 25 | Plate Lock | 49125-11500 |
| 26 | Plate Lock | 49125-23400 |
| 27 | bolt | F1155-12035 |
| 28 | Sleeve spacer | 49125-42200 |
| 29 | Gasket | 41032-00801 |
On-Site Fault Repair Cases (TC24 Turbocharger)
Case 1: Turbo Oil Leak from Worn Oil Control Sleeve
A Mitsubishi S6U MPTK engine experienced severe turbo oil leakage, traced to a deteriorated 49125-22200 oil control sleeve. Replacing the sleeve and accompanying O-ring eliminated leaks, restoring proper oil containment and reducing oil consumption by 90%.
Case 2: Turbo Shaft Vibration from Worn Thrust Bearing
The TC24 turbocharger developed excessive shaft vibration and reduced boost pressure, caused by a worn 49125-21600 thrust bearing with surface scoring. Installing a new OEM-spec thrust bearing resolved vibration issues and restored full boost pressure output.
Case 3: Component Shift Due to Failed Snap Rings
Internal turbo components shifted during operation, causing abnormal noise and reduced performance, due to fatigued 49125-22300 snap rings. Replacing the snap rings and resecuring internal components returned the turbo to normal operating condition.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts fully compatible with the TC24 turbocharger and Mitsubishi S6U MPTK engine? | Yes, all components are engineered to OEM specifications for the TC24 turbocharger, with perfect fitment for Mitsubishi S6U MPTK engine installations, no custom modifications required. |
| What is the service life of these TC24 turbocharger spare parts? | Under proper maintenance, bearings and thrust components last 12,000–15,000 operating hours; seals and gaskets last 6,000–8,000 hours; fasteners and lock plates last 20,000+ hours in standard heavy-duty operation. |
| Do these parts meet industrial standards for turbocharger components? | Absolutely, all components are manufactured and tested to meet ISO 8178 and API 7K standards, ensuring full compliance with heavy-duty engine and drilling equipment requirements. |
Procurement Guidance
This TC24 turbocharger spare parts list serves as a definitive reference for full turbo rebuilds, preventive maintenance, and emergency repairs for Mitsubishi S6U MPTK engine applications. Every component is built to match OEM quality, durability, and performance, ensuring reliable turbo operation, minimal downtime, and optimal engine efficiency.