WANTED: Wärtsilä 20V34SG Turboexpander Spare Parts Package – Full Engine & Sensor Kit

Subject: WANTED: Wärtsilä 20V34SG Turboexpander Spare Parts Package – Full Engine & Sensor Kit


Date: 3/24/2026 10:51:41 PM

Details: Reviews 0

Dear Sirs.

We are looking for a set of spares for the Turboexpander of a Wartsila 20V34SG as

per the attached List and plate details.


 

Can you please check on availability,and if you can supply, we would appreciate a quote

and terms and conditions of sale and lead-time please??

 

We appreciate your help and assistance in this and look forward to hearing from you.
 

Part No. Name Quantity
504106 Control unit 1
200084 Screw 12
110018 Screw 72
113008 Screw 240
120002 Screw 18
191006 Screw 12
200017 Screw 240
113016 sleeve 240
191104 sleeve 6
211006 sleeve 30
100194 Bearing sleeve 12
182038 Bearing sleeve 12
131026 Bearing sleeve 12
ST197 Limit switch 1
ST197S Limit switch 1
200011 Nut 12
200085 Nut 12
100010 Nut 15
100110 Cylinder liner 1
120001 Cylinder head 1
PT312 Pressure sensor 1
PT401 Pressure sensor 2
PT700 Pressure sensor 1
504103 detonation sensor 42
ST196P speed sensor 1
ST196S speed sensor 1
SE518 Speed sensor 3
SE528 Speed sensor 2
ST174 Speed sensor 1
504128 Temperature sensor 17
507085 Temperature sensor 12
TE402 Temperature sensor 2
TE432 Temperature sensor 2
TE471 Temperature sensor 2
TE601 Temperature sensor 1
207800 Rotary flap 3
207992 Rotary flap 1
120095 Ignition Coil 62
121007 Intake valve 20
164025 Main gas supply valve 10
123001 Starting valve 42
357017 Main starting valve 3
124044 Control valve of pre-chamber 62
352137 O-ring 2
352629 O-ring 2
352638 O-ring 3
352714 O-ring 3
476019 O-ring 4
476022 O-ring 2
476023 O-ring 4
352478 guide ring 6
354092 guide ring 6
352477 support ring 3
354090 support ring 12
120022 Seat ring exhaust valve 41
120022,1 Seat ring exhaust valve 6
120022,2 Seat ring exhaust valve 6
200347 Sealing ring 2
100015 Sealing ring 24
100023 Sealing ring 80
107178 Sealing ring 3
107319 Sealing ring 9
107331 Sealing ring 18
107333 Sealing ring 6
107334 Sealing ring 3
107336 Sealing ring 18
107339 Sealing ring 12
107541 Sealing ring 3
107655 Sealing ring 6
120099 Sealing ring 40
124006 Sealing ring 60
124042 Sealing ring 120
124046 Sealing ring 60
124051 Sealing ring 20
124052 Sealing ring 60
131006 Sealing ring 4
131027 Sealing ring 4
131071 Sealing ring 4
131073 Sealing ring 12
145021 Sealing ring 80
145031 Sealing ring 60
145035 Sealing ring 60
145037 Sealing ring 60
156500 Sealing ring 6
164028 Sealing ring 120
164094 Sealing ring 60
164074 Sealing ring 120
183005 Sealing ring 15
211016 Sealing ring 3
211017 Sealing ring 30
350784 Sealing ring 6
350789 Sealing ring 3
350808 Sealing ring 18
350815 Sealing ring 60
352130 Sealing ring 4
352134 Sealing ring 2
352615 Sealing ring 2
352617 Sealing ring 9
352631 Sealing ring 3
355374 Sealing ring 6
355378 Sealing ring 12
355444 Sealing ring 9
355459 Sealing ring 6
355496 Sealing ring 6
355497 Sealing ring 12
355537 Sealing ring 120
355538 Sealing ring 120
355568 Sealing ring 60
355442 Sealing ring 6
476018 Sealing ring 8
476027 Sealing ring 8
605002 Sealing ring 120
605016 Sealing ring 120
473063 set of paper inserts for filter 2
121020 rotokap Maintenance Kit 45
501108 Ignition Coil Spare Parts Kit 60
156383 Turbocharger Repair Kit 2
181077 Service kit  3
191051 set of seals 1
124043 set of seals 40
164089 set of seals 61
191017 Set of thrust rings 12
191017 Set of thrust rings 4
1562487 Bearing Housing Assembly T/E 3GS107B158J 706830 2
202148 Cuff  16
516387 Engine Safety Module 1
5071289 Ignition Module 1
182017 Elastic coupling 3
182062 set of gaskets 1
123021 set of gaskets 30
182062 set of gaskets 3
470416 set of gaskets 1
471126 set of gaskets 4
120015 set of gaskets for cylinder head replacement 37
120054 set of gaskets for cylinder head repair 40
800264 set of seals for hydraulic tightening devices  4
191001 Pump 2
191056 Finger  6
113010 Piston pin 61
207926 Pilot valve 3
191013 Roller bearing 6
191012 Ball Bearing 4
200334 Positioner 5
124001 Prechamber 66
124047 Prechamber lower part 60
CV519 I/O Converter 4
200029 gasket 2
121010 Spring 80
211008 Spring 30
217048 Repair kit 6
100115 Water shirt 3
211007 Sled 30
124004 Sealing   60
124026 Valve seat 60
200081 Bellow 1
200079 Bellow 55
202009 Bellow 8
164091 Bellow 6
5071249 Thermoelectric element  15
145018 Valve tappet 41
156317 nozzle assembly 1
164076 Filter 60
143010 Intake valve clamp 4
143014 Intake valve clamp 4
111011 Upper connecting rod part 1
111010 Lower part of connecting rod 10
148023 Guide pin 12
124029 Rod 60
145038 Pusher rod 2
183003 Thermoelectric element  15

Kind regards,

Bill Hadnett

Unit 1 P

Cooleen Business Park

Dingle, Co,Kerry

Ireland V92 P9NX

 

 

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Why should Wärtsilä 20V34SG spare parts suppliers respond through IndustrialMarinePower?

IndustrialMarinePower.com is a global marketplace where companies involved in gas engines, power plants, turboexpanders and industrial spare parts connect with serious buyers.

By responding to this request, suppliers can reach:

  • Power plant operators
  • EPC contractors
  • Gas engine maintenance companies
  • Industrial energy facilities
  • Global spare parts traders

The platform is actively used by buyers sourcing Wärtsilä engine spares, ignition systems, sensors and overhaul kits.


What equipment is currently required?

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

Wärtsilä 20V34SG Gas Engine

Application: Turboexpander system and engine support components


What does the scope include?

The requirement covers a large and comprehensive spare parts list, including:

Core Components

  • Control unit
  • Cylinder liner
  • Cylinder head
  • Prechamber and prechamber parts
  • Bearing housing assembly
  • Pump and pilot valves

Sensors & Instrumentation

  • Pressure sensors (PT312, PT401, PT700)
  • Temperature sensors (TE402, TE432, TE471, TE601, etc.)
  • Speed sensors (ST196P, ST196S, SE518, SE528, ST174)
  • Detonation sensors
  • Ignition modules and ignition coils

Valves & Gas System Parts

  • Intake valves
  • Exhaust valve seat rings
  • Main gas supply valves
  • Starting valves
  • Control valves (pre-chamber)

Bearings & Mechanical Parts

  • Bearing sleeves
  • Roller bearings
  • Ball bearings
  • Connecting rod parts
  • Piston pins
  • Guide pins

Sealing & Consumables

  • Large quantity of sealing rings (multiple part numbers)
  • O-rings
  • Guide rings
  • Support rings
  • Gasket sets and sealing kits

Kits & Maintenance Packages

  • Turbocharger repair kits
  • Ignition coil spare parts kits
  • Rotokap maintenance kits
  • Full service kits
  • Sets of seals and gaskets

Additional Components

  • Engine safety module
  • Ignition module
  • Elastic coupling
  • Thermoelectric elements
  • Filters, springs, bellows and accessories

What is Wärtsilä 20V34SG engine?

The Wärtsilä 20V34SG is a high-efficiency gas engine widely used in:

  • Power generation plants
  • Industrial energy systems
  • Combined heat and power (CHP) plants

It is known for:

  • High efficiency and reliability
  • Advanced gas combustion system
  • Modular maintenance structure
  • Compatibility with modern energy infrastructure

What should suppliers provide?

Interested suppliers are requested to submit:

  • Price (unit and total)
  • Availability (stock / lead time)
  • Delivery schedule
  • Condition (New / OEM / Refurbished)
  • Country of origin
  • Technical documentation (if available)
  • Packing details

Who should respond?

We welcome offers from:

  • Wärtsilä OEM and authorized suppliers
  • Gas engine spare parts specialists
  • Industrial equipment distributors
  • Turboexpander service companies
  • Global stockists and traders

Market Insight

Demand for Wärtsilä 34SG engine spare parts remains strong due to their widespread use in power plants. Full spare packages like this are typically required for overhaul, long-term maintenance and operational continuity.


Contact

Suppliers capable of providing Wärtsilä 20V34SG turboexpander spare parts package are invited to submit their quotations and technical offers for evaluation.

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