Wärtsilä (Sulzer) ·Engine
Wärtsilä Sulzer RT-flex60C
IACS minimum recommended spare parts for the Wärtsilä Sulzer RT-flex60C marine two-stroke low-speed crosshead diesel engine. Control system WECS-9520 / DENIS-9520 Mk I. Part number prefix: NF.
How to use this list: Part numbers match OEM service manuals. Use the request button below to ask about availability and pricing. Include the part number, quantity, and delivery port.
MAIN BEARINGS & THRUST 6
| Part Number | Description |
|---|---|
| NF 11340 | Main bearing shell, upper half |
| NF 11341 | Main bearing shell, lower half |
| NF 11161 | Elastic stud for main bearing |
| NF 11162 | Round nut for elastic stud |
| NF 12241 | Thrust pad for one side of thrust bearing (set of 8) |
| NF 12242 | Thrust pad alternate per direction of rotation (FPP/CPP) |
CYLINDER LINER & LUBRICATION (21) 11
| Part Number | Description |
|---|---|
| NF 21241 | Cylinder liner with antipolishing ring (no O-rings/joint rings) |
| NF 21245 | Filling piece |
| NF 21270 | O-rings, seamless and joint ring (set for 1 liner) |
| NF 21290 | Insulation bandage, complete |
| NF 21300 | Water guide jacket |
| NF 21355 | Lubricating quill, complete, with accumulator |
| NF 21368 | Diaphragm for accumulator |
| NF 21390 | Gasket for lubricating quill |
| NF 21392 | O-Ring (lubricating quill) |
| NF 21450 | Progressive block distributor |
| NF 21451 | Piston distributor for exhaust valve shaft |
CYLINDER COVER (27) 5
| Part Number | Description |
|---|---|
| NF 27100 | Cylinder cover, complete, without valves |
| NF 21109 | Elastic stud for cyl. cover |
| NF 21110 | Nut for elastic stud |
| NF 27155 | O-rings (set for one cyl. cover) |
INJECTION VALVE / STARTING AIR VALVE 7
| Part Number | Description |
|---|---|
| NF 27200 | Injection valve, complete (3 per cyl.) |
| NF 27242 | Nozzle body with needle |
| NF 27244 | Nozzle tip |
| NF 27250 | Small parts (1 compression spring, 1 tappet, 1 O-ring) |
| NF 27202 | Dowel pin for nozzle holder |
| NF 27280 | Starting air valve, complete |
| NF 27350 | Small parts (4 piston rings, 8 O-rings, 1 joint ring) for starting valve |
EXHAUST VALVE (27) 7
| Part Number | Description |
|---|---|
| NF 27650 | Exhaust valve, complete, without valve drive |
| NF 27500 | Exhaust valve, complete, with valve drive (GL only) |
| NF 27516 | Valve seat |
| NF 27600 | Valve spindle with rotation wing |
| NF 27660 | Small parts to valve drive (set for 1 valve) |
| NF 27670 | Small parts to exhaust valve (set for 1 valve) |
| NF 27545 | Valve stroke sensor to exhaust valve drive |
INDICATOR / RELIEF VALVES 4
| Part Number | Description |
|---|---|
| NF 27460 | Indicator valve, complete |
| NF 27461 | Indicator valve (cock) |
| NF 27468 | Joint ring |
| NF 27469 | Joint ring |
CONNECTING ROD BEARINGS (33) 8
| Part Number | Description |
|---|---|
| NF 33120 | Upper bearing half for top end bearing, white metal lined |
| NF 33150 | Bearing shell, lower half, for top end bearing |
| NF 33100 | Bottom end bearing shell, upper half |
| NF 33101 | Bottom end bearing shell, lower half |
| NF 33065 | Elastic stud to bottom end bearing |
| NF 33066 | Nut for elastic stud (bottom end) |
| NF 33002 | Elastic stud to top end bearing |
| NF 33004 | Nut for elastic stud (top end) |
PISTON (34) 7
| Part Number | Description |
|---|---|
| NF 34000 | Piston, complete (head, skirt, rod, screws — no rings) |
| NF 34060 | Piston head |
| NF 34095 | Piston skirt |
| NF 34420 | Piston rings (top) |
| NF 34421 | Piston rings (lower set) |
| NF 34260 | O-rings, locking plates, tap washers (set for 1 piston) |
| NF 36145 | Articulated levers with bush and pin (set for 1 cyl.) |
GLAND BOX / STUFFING BOX (23) 8
| Part Number | Description |
|---|---|
| NF 23100 | Gland box piston rod, complete, casing in 2 parts |
| NF 23111 | Tension spring (set for 1 gland) |
| NF 23112 | Tension spring (set for 1 gland) |
| NF 23106 | Scraper rings 4-parts (set for 1 gland) |
| NF 23110 | Scraper rings 3-parts (set for 1 gland) |
| NF 23107 | Joint ring 4-parts (set for 1 gland) |
| NF 23108 | Joint ring 4-parts (set for 1 gland) |
| NF 23118 | O-rings (set for 1 gland) |
SCAVENGE AIR / HYDRAULIC / FUEL PIPING 12
| Part Number | Description |
|---|---|
| NF 64218 | Scavenge air receiver flap |
| NF 64219 | Scavenge air receiver flap |
| NF 96350 | Cylinder lubricating pump elements incl. electro motor & gear |
| NF 84650 | Hydraulic pipe with housing and gasket |
| NF 84662 | O-ring |
| NF 87395 | HP fuel pipe to injection valve (one of each length) |
| NF 81016 | Expansion piece after exhaust valve (GL only) |
| NF 65090 | Expansion piece before turbocharger TPL 73-B (GL only) |
| NF 65096 | Expansion piece before turbocharger MET 66SE (GL only) |
CONTROL SYSTEM (WECS-9520 / DENIS-9520) 17
| Part Number | Description |
|---|---|
| NF 96315 | Spare parts for engine control system DENIS-9520 |
| NF 96330 | Spare parts for alarm system DENIS-9520 |
| NF 96340 | Thermometers, pressure gauges (1 of each type) |
| NF 93605 | Power supply 24VDC/20A |
| NF 92260 | Shaft encoder drive, complete |
| NF 92265 | Crank angle sensor incl. securing plate |
| NF 92231 | Elastic screw (encoder drive) |
| NF 92241 | Lever with parallel pin (encoder drive) |
| NF 92243 | Compression spring |
| NF 92251 | Fixing screw |
| NF 56015 | Pressure transmitter 250 bar |
| NF 55630 | Pressure transmitter 1200 bar |
| NF 55754 | Pre-control valve (rail valve) |
| NF 46282 | Proximity sensor PNP |
| NF 27310 | 5/2-Solenoid valve for starting air valve |
| NF 55751 | Control piston position sensor (fuel) |
| NF 58025 | Fuel pump actuator |
SUPPLY UNIT (FUEL / SERVO OIL) 12
| Part Number | Description |
|---|---|
| NF 55516 | Pinion to pump drive servo oil |
| NF 55518 | Shaft |
| NF 55542 | Drive bush to supply unit |
| NF 87525 | Relief valve for intermediate fuel accumulator |
| NF 87516 | Shut-off valve (alt. NF 84514) |
| NF 84517 | Relief valve distributor block |
| NF 87545 | Fuel pressure pipe to accumulator |
| NF 87595 | High pressure pipe fuel complete (SU to RU) with couplings |
| NF 84580 | Flexible hose |
| NF 84581 | Flexible hose |
| NF 84582 | Flexible hose |
| NF 84625 | Alternate hose |