1. Product Introduction
This premium lineup ofMitsubishi S16R-PTA-C engine spare parts is precision manufactured to exclusively fit the Mitsubishi S16R-PTA-C 16-cylinder V-type diesel engine, the high-output power unit widely used in 1200kW–1900kW industrial gensets, offshore drilling power modules, and marine auxiliary power systems. Every component—including overhaul gasket kits (37894-80170), oil pump assemblies (38E35-00031), thermostats (37546-21701), bearings, seals, fasteners, and sensors—is built to match Mitsubishi OEM specifications, with strict dimensional tolerances, material performance ratings, and heat-resistance standards. This parts portfolio covers all critical wearable, serviceable, and replacement components for the S16R-PTA-C engine, targeting the most common failure points that cause unplanned downtime, fluid leaks, power loss, and overheating in continuous heavy-duty operation.
2. Core Purpose & Target User Demands
Core Purpose: These Mitsubishi S16R-PTA-C spare parts are designed to restore engine power output, maintain lubrication and cooling system integrity, eliminate oil/coolant leaks, ensure stable fuel delivery, and extend the service life of the 65.37L displacement engine. They support emergency breakdown repairs, scheduled preventive maintenance, and full engine overhauls, keeping critical power generation and marine auxiliary systems running reliably 24/7.
Target Users & Pain Points Solved: This parts solution caters to genset maintenance crews, offshore drilling power technicians, marine engineers, industrial MRO specialists, and power plant operators who face critical challenges: sudden engine overheating from failed thermostats, oil pressure loss from faulty oil pumps, fluid leaks from degraded seals, and hard-to-source OEM-compatible spares for the S16R-PTA-C platform. We eliminate costly downtime, non-compliant repairs, and premature engine wear with ready-to-install, precision-matched components that withstand extreme operating conditions.
3. Key Functional Specifications
- Sealing Performance: Overhaul gasket kits (37894-80170) provide 99% leak-proof sealing across engine flanges, with heat-resistant materials capable of withstanding 220°C continuous operating temperatures.
- Lubrication System Reliability: Oil pump assemblies (38E35-00031) deliver consistent oil pressure up to 6.0 bar, ensuring full lubrication of 16-cylinder moving components and reducing friction wear by 40%.
- Temperature Control: Engine thermostats (37546-21701) maintain optimal operating temperature (82–88°C), preventing overheating and improving fuel efficiency by up to 12% in continuous duty.
- Rotational Stability: Precision ball bearings (F8010-06310 series) offer a service life of 10,000+ operating hours, accommodating radial and axial loads from the engine’s crankshaft and accessory drives.
4. Structural & Material Features
All parts feature rugged, heavy-duty construction: gaskets use high-temperature composite materials resistant to oil and coolant degradation; bearings utilize high-carbon chromium steel with precision-ground raceways; oil seals employ oil-resistant nitrile rubber (NBR) and Viton blends; fasteners meet ISO 898-1 Grade 8.8 standards for vibration resistance; sensors and switches are IP67-rated for dust and moisture protection. The modular drop-in design allows quick on-site replacement without specialized machining, cutting repair labor time by up to 70%.
5. Applicable Operating Conditions
These spare parts are engineered for extreme heavy-duty operating conditions, including continuous 24/7 genset operation, offshore marine environments with saltwater corrosion, ambient temperatures from -10°C to 50°C, high-vibration power module mounting, and heavy-load power output (up to 1590kW standby power). They comply with ISO 3046 engine standards and are suitable for both land-based industrial gensets and marine auxiliary engine installations.
6. Maintenance & Care Recommendations
- Preventive Inspection: Check oil pressure, coolant temperature, and seal leaks every 250 operating hours; inspect bearings, belts, and hoses for wear every 500 hours.
- Scheduled Replacement: Replace oil seals, gaskets, and thermostats every 2,000 hours; overhaul bearings and oil pumps every 4,000 hours to prevent catastrophic engine failures.
- Storage & Handling: Store rubber seals and gaskets in airtight, temperature-controlled packaging; lubricate bearings with Mitsubishi-approved grease before installation; keep fasteners corrosion-free with anti-seize compound.
- Service Protocol: Use matched OEM gasket kits for engine overhauls; torque fasteners to Mitsubishi specifications to avoid leaks and component misalignment.
We supply the following spare parts:
| No. | Description | Part No |
| 1 | OVERHAUL GAKET KIT | 37894-80170 |
| 2 | SCREW,ADJUSTING | 37704-03300 |
| 3 | NUT | F2305-10000 |
| 4 | SCREW,ADJUSTING | 37104-02800 |
| 5 | NUT | F2305-12000 |
| 6 | NOZZLE ASSY | 38E07-08041 |
| 7 | DAMPER,HASSE – FRONT | 37822-11100 |
| 8 | DAMPER,HASSE – REAR | 37722-01200 |
| 9 | KEY,SUNK | 37725-15700 |
| 10 | KEY,WOODRUFF | F2870-10032 |
| 11 | BEARING,BALL | F8010-06309 |
| 12 | RING,SNAP | F3202-10000 |
| 13 | BEARING,BALL | F8006-06210 |
| 14 | CLAMP | 05317-52201 |
| 15 | HOSE | 47220-30500 |
| 16 | CLAMP | 05317-52001 |
| 17 | JOINT,FLEXIBLE | 37532-30601 |
| 18 | V-CLAMP ASSY | 37N32-09100 |
| 19 | BOLT | 07707-12045 |
| 20 | NUT | F2445-12000 |
| 21 | CARTRIDGE ASSY | 49181-08431 |
| 22 | PUMP ASSY,OIL | 38E35-00031 |
| 23 | THERMOSTAT,OIL | 37739-20501 |
| 24 | SEAL,THERMOSTAT | 37546-00800 |
| 25 | 37740-70300 ADAPTER ASSY | 37740-70300 |
| 26 | CUSHION,RUBBER | 47500-34100 |
| 27 | SLINGER | 37411-04200 |
| 28 | SEAL,OIL | 37711-04300 |
| 29 | SEAL,OIL | F3015-06523 |
| 30 | BEARING,BALL | F8010-06310 |
| 31 | SLINGER | 37425-08201 |
| 32 | SEAL,OIL | 37511-04300 |
| 33 | SEAL,OIL | 37525-13400 |
| 34 | HOSE,VINYL | 45955-22160 |
| 35 | SEAL,OIL | 38C25-03400 |
| 36 | RING,SNAP | 38C45-00301 |
| 37 | SHAFT,WATER PUMP | 38E45-00401 |
| 38 | IMPELLER | 38E45-00501 |
| 39 | KEY,WOODRUFF | F2872-10032 |
| 40 | RING,SNAP | F3200-05500 |
| 41 | RING,SNAP | F3202-12000 |
| 42 | BEARING,BALL | F8010-06310 |
| 43 | BEARING,BALL | F8010-06311 |
| 44 | NUTJAM | F2325-30000 |
| 45 | SLEEVE | 37745-10700 |
| 46 | THERMOSTAT | 37546-21701 |
| 47 | SEAL,THERMOSTAT | 37546-01800 |
| 48 | RING,SNAP | 37546-00900 |
| 49 | COUPLING | 04826-42050 |
| 50 | COUPLING | 04826-40032 |
| 51 | BELLOWS | 48202-23500 |
| 52 | BAND,BELLOWS | 48202-08201 |
| 53 | BAND,BELLOWS | 48202-08301 |
| 54 | RING,SNAP | F3200-01700 |
| 55 | BEARING,BALL RUBBER | 32663-16200 |
| 56 | BEARING,BALL | F8007-06201 |
| 57 | RING,SNAP | F3202-03200 |
| 58 | SPRING | 32561-48600 |
| 59 | JOINT,BALL | 35A61-38601 |
| 60 | JOINT,BALL | 37563-15401 |
| 61 | NUT,LOCK | 37560-04800 |
| 62 | NUT,LOCK | 09413-00800 |
| 63 | NUTJAM | F2320-08000 |
| 64 | WIRE,SEAL | 35A61-19900 |
| 65 | SEAL | 48000-96600 |
| 66 | BEARING,BALL | F8007-06200 |
| 67 | RING,SNAP | F3202-03000 |
| 68 | NUT,SELF LOCKING | F2445-08000 |
| 69 | NUT | F2300-08000 |
| 70 | BAND,CLIP | 05318-00300 |
| 71 | PIPE,FLEXIBLE | 45950-51700 |
| 72 | CUSHION,RUBBER | 47500-34100 |
| 73 | BALL,JOINT | 35A61-38601 |
| 74 | BALL,JOINT | 35A61-38701 |
| 75 | NUT,SELF LOCKING | F2445-08000 |
| 76 | NUT,LOCK | 09413-00800 |
| 77 | PIPE,FLEXIBLE | 45951-04024 |
| 78 | PIPE,FLEXIBLE | 45951-04028 |
| 79 | BEARING,BALL | F8005-06411 |
| 80 | BEARING,BALL | F8010-06311 |
| 81 | SEAL,OIL | F3012-05223 |
| 82 | KEY,WOODRUFF | F2870-07025 |
| 83 | SLEEVE | 37748-20500 |
| 84 | ALARM,OIL FILTER | 37540-01301 |
| 85 | PICK-UP,MAGNETIC | 04410-43410 |
| 86 | UNIT,TEMPERATURE | 04524-02230 |
| 87 | UNIT,OIL PRESSURE | 04541-86200 |
| 88 | SWITCH THERMO | 04442-34500 |
| 89 | SWITCH,PRESSURE | 04442-45400 |
| 90 | PLUNGER ASSY | 48270-11004 |
| 91 | SEAL,OIL | 48202-07100 |
| 92 | GASKET KIT,OVERHAUL | 48202-59101 |
| 93 | ELEMENT ASSY | 38G30-06412 |
| 94 | ELEMENT | 37540-11100 |
| 95 | CARTRIDGE | 37540-02100 |
| 96 | ELEMENT | 32562-60300 |
| 97 | BELT,ORANGE | 38E68-04400 |
On-Site Fault Repair Cases (Field Power Scenarios)
Case 1: Genset Engine Overheating Failure
An industrial genset powered by a Mitsubishi S16R-PTA-C engine experienced repeated overheating during peak load operation, caused by a faulty thermostat (37546-21701). Replacing the thermostat and matching seal (37546-01800) restored optimal temperature control, allowing the genset to resume full power output without overheating.
Case 2: Engine Oil Pressure Loss
An offshore drilling power module reported low oil pressure and engine warning alarms, traced to a worn oil pump assembly (38E35-00031). Installing a new OEM-spec oil pump and replacing associated oil seals eliminated pressure loss, restoring full lubrication and preventing engine bearing damage.
Case 3: Engine Overhaul Fluid Leaks
A marine auxiliary S16R-PTA-C engine developed multiple oil and coolant leaks after a partial overhaul. Installing a complete overhaul gasket kit (37894-80170) sealed all flange joints, stopping leaks and extending the engine’s service life between major services.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all Mitsubishi S16R-PTA-C engines? | Yes, all spare parts are precision matched to the S16R-PTA-C 16-cylinder diesel engine, with OEM part number cross-referencing for perfect fitment in genset and marine applications. |
| What is the service life of the overhaul gasket kit (37894-80170)? | Under normal continuous operation, the overhaul gasket kit provides reliable sealing for 4,000+ operating hours before replacement is recommended. |
| Do these parts meet industrial and marine quality standards? | Absolutely, all components comply with ISO 3046 engine standards and marine auxiliary equipment requirements, suitable for offshore, land-based genset, and marine use. |
Procurement Call to Action
This complete range of Mitsubishi S16R-PTA-C engine spare parts is your reliable solution for emergency power system repairs, scheduled preventive maintenance, and full engine overhauls. Each component is manufactured to strict Mitsubishi OEM standards, with clear part number labeling (37894-80170, 38E35-00031, 37546-21701, etc.) to serve as your official procurement and technical reference for accurate part selection and compliance.
Whether you need gasket kits for leak repairs, oil pumps for lubrication restoration, thermostats for temperature control, or bearings for rotational stability, this parts portfolio delivers consistent quality and durability for critical power generation operations. Use the detailed specifications and part number matches to verify compatibility with your S16R-PTA-C engine, and reach out for technical support to streamline your ordering process. Invest in these genuine-grade spares to minimize power system downtime, uphold equipment reliability, and protect your Mitsubishi engine investment long-term.
