WANTED: NIIGATA 8MG31EZ Engine Spare Parts – Gaskets, Bearings, Valves & Seal Kits

Subject: WANTED: NIIGATA 8MG31EZ Engine Spare Parts – Gaskets, Bearings, Valves & Seal Kits


Date: 3/24/2026 11:10:48 PM

Details: Reviews 0

Dear Sir/Ma’am,

Good day.

We would like to request a quotation for the following Niigata parts. Kindly refer to the attached file for the complete details and specifications.

Please include the unit price, availability, lead time, and any applicable terms and conditions in your quotation.

Should you require further information or clarification, please feel free to contact us.

We look forward to your prompt response.

Thank you,

Ophelia Salazar

 

GASKET FOR EV – 303322100 – QTY 4
O-RING (CYLINDER HEAD) – A60200300 – QTY 6
O-RING (CYLINDER HEAD) – 3C7324300 – QTY 6
O-RING (STARTING AIR VALVE) – A60100380 – QTY 6
GAS SEAL (FOR FV CASE) – 303331201 – QTY 13
GASKET (GARLOCK) – 377589950 – QTY 2
GASKET FOR CAM CASE COVER – 377589941 – QTY 6
GASKET FOR FILTER ELEMENT – 679110500 – QTY 4
GASKET (SAFETY VALVE) – E42733400 – QTY 4
CAP BEARING – 113309586 – QTY 1
CARRIER SEAL PIN – 101015068 – QTY 1
COPPER WASHER – 370233215 – QTY 20
EXHAUST VALVE SPINDLE – 203330440 – QTY 1
FP PLUNGER GUIDE – 30347140 – QTY 1
INTAKE VALVE SEAT – 303320701 – QTY 2
INTAKE VALVE SPINDLE – 203320320 – QTY 1
LOCK WASHER – A40303400 – QTY 12
NUT PACK – A32300800 – QTY 1
PISTON (FOR AIR STOP VALVE) – 204290711 – QTY 2
PISTON (FOR REGULATING VALVE OF REDUCTION GEAR) – 991010465 – QTY 1
SLIDING BEARING – 113309397 – QTY 2
SLIDING BEARING (INPUT SHAFT 2) – 113308583 – QTY 2
SLIDING BEARING (PENETRATING SHAFT 3) – 113309396A – QTY 2
SWITCH, LIMIT – 2400810BB – QTY 1
SWITCH, OIL PRESSURE – 141011225 – QTY 1
CAP BEARING – 113309586 – QTY 1
CARRIER SEAL PIN – 101015068 – QTY 1
COPPER WASHER – 370233215 – QTY 1

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Why should Niigata 8MG31EZ spare parts suppliers respond through IndustrialMarinePower?

IndustrialMarinePower.com is a global marketplace where companies involved in marine engines, diesel generators, spare parts and industrial equipment connect with serious buyers.

By responding to this request, suppliers can reach:

  • Shipowners and fleet operators
  • Marine engine maintenance companies
  • Shipyards and repair facilities
  • Power plant operators
  • Global spare parts traders

The platform is actively used by buyers sourcing Niigata engine spares and overhaul parts.


What equipment is currently required?

We are looking to source a complete spare parts package for:

Niigata 8MG31EZ Engine


What does the spare parts scope include?

The requirement covers a full set of PMS & COBS spare parts, including:


Gaskets & Sealing Components

  • Gasket for EV
  • Gasket (Garlock)
  • Gasket for cam case cover
  • Gasket for filter element
  • Gasket (safety valve)
  • Multiple O-rings (cylinder head, starting air valve, etc.)
  • Gas seals (for FV case)

Bearings & Mechanical Parts

  • Cap bearing
  • Sliding bearings (multiple shaft positions)
  • Carrier seal pins
  • Lock washers
  • Nut packs

Valves & Engine Components

  • Exhaust valve spindle
  • Intake valve seat
  • Intake valve spindle
  • Starting air valve piston
  • Regulating valve piston (reduction gear)
  • Fuel pump plunger guide

Instrumentation & Switches

  • Limit switch
  • Oil pressure switch

Additional Items

  • Copper washers
  • Seal pins
  • Miscellaneous engine hardware

What is Niigata 8MG31EZ engine?

The Niigata 8MG31EZ is a medium-speed marine diesel engine used in:

  • Marine propulsion systems
  • Auxiliary generator sets
  • Industrial power applications

It is known for:

  • Reliable performance
  • Long service intervals
  • Robust mechanical design

What should suppliers provide?

Interested suppliers are requested to include:

  • Unit price and total price
  • Availability (stock / lead time)
  • Delivery time
  • Country of origin
  • Technical datasheet (if available)
  • Condition (New / OEM / Equivalent)
  • Commercial terms and conditions

Who should respond?

We welcome offers from:

  • Niigata engine spare parts suppliers
  • OEM and authorized distributors
  • Marine spare parts traders
  • Engine overhaul and service companies
  • Industrial equipment suppliers

Market Insight

Demand for Niigata 8MG31EZ spare parts remains steady due to their use in marine fleets. Complete spare packages like this are essential for preventive maintenance (PMS) and overhaul planning.


Contact

Suppliers with available Niigata 8MG31EZ engine spare parts are invited to submit quotations and technical details for evaluation.

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