Wärtsilä (Sulzer) ·Engine

Wärtsilä Sulzer RT-flex96C

IACS minimum recommended spare parts for the Wärtsilä Sulzer RT-flex96C marine two-stroke low-speed crosshead diesel engine (960 mm bore). Control system WECS-9500. Part number prefix: DF.

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.
CYLINDER LINER & LUBRICATION (21) 10
Part NumberDescription
DF 21243Cylinder liner, complete, without joint ring and O-rings
DF 21270Joint ring and O-rings (set for 1 liner)
DF 21280Insulation bandage, complete
DF 21300Water guide jacket
DF 21360Lubricating quill, complete, with accumulator (16 per liner)
DF 21368Diaphragm for accumulator
DF 21390Gasket for lubricating quill
DF 21392O-Ring (lubricating quill)
DF 21450Progressive block distributor
DF 21451Piston distributor for exhaust valve shaft
CYLINDER COVER & VALVES (27) 17
Part NumberDescription
DF 27102Cylinder cover, complete, without valves
DF 21075Elastic stud for cyl. cover
DF 21076Nut for elastic stud
DF 27155O-rings (set for one cyl. cover)
DF 27200Injection valve, complete (3 per cyl.)
DF 27242Nozzle body with needle
DF 27244Atomizer
DF 27250Small parts (spring, tappet, tappet carrier, O-ring)
DF 27202Dowel pin for nozzle holder
DF 27280Starting air valve, complete
DF 27350Small parts (4 piston rings, 8 O-rings, 1 joint ring) for 1 valve
DF 27650Exhaust valve, complete, without valve drive
DF 27500Exhaust valve, complete, with valve drive (GL only)
DF 27516Valve seat
DF 27600Valve spindle with rotation wing
DF 27660Small parts to valve drive
DF 27670Small parts to valve cage
DF 27453C-sensor (combustion pressure indicator), complete
DF 27450Indicator valve, complete
DF 27451Indicator valve (cock)
DF 27455Joint ring
CONNECTING ROD BEARINGS (33) 8
Part NumberDescription
DF 33120Upper bearing half for top end bearing, white metal lined
DF 33150Bearing shell, lower half, for top end bearing
DF 33090Lower bearing half for bottom end bearing, white metal lined
DF 33100Bearing shell, upper half, for bottom end bearing
DF 33001Elastic stud to top end bearing (2 per bearing)
DF 33011Nut for DF 33001
DF 33002Elastic stud to top end bearing (4 per bearing)
DF 33012Nut for DF 33002
PISTON (34) / CROSSHEAD (36) 7
Part NumberDescription
DF 34000Piston, complete (head, skirt, rod, screws — no rings)
DF 34065Piston head
DF 34095Piston skirt
DF 34425Piston rings
DF 34426Piston rings (lower set)
DF 342603 O-rings, 20 locking plates, 12 tap washers (set for 1 piston)
DF 36145Articulated levers with bush and pin (set for 1 cyl.)
GLAND BOX (23) 6
Part NumberDescription
DF 23150Gland box piston rod, complete, casing in 2 parts
DF 23161Tension spring (set for 1 gland)
DF 23162Tension spring (set for 1 gland)
DF 23180Oil scraper rings 4-parts / 3-parts and joint rings
DF 23185O-rings, locking plates (set for 1 gland)
SCAVENGE / HYDRAULIC / FUEL PIPING 10
Part NumberDescription
DF 64220Scavenge air receiver flap
DF 64221Scavenge air receiver flap
DF 96350Cylinder lubricating pump elements incl. electro motor & gear
DF 84650Hydraulic pipe with housing and gasket
DF 84662O-ring
DF 84460Filter insert
DF 84461Paired filter insert
DF 87395HP fuel pipe to injection valve (one of each length)
DF 81380Expansion piece between exhaust pipes (GL only)
DF 81390Expansion piece after exhaust valve (GL only)
DF 65090Expansion piece before turbocharger (MET) (GL only)
CONTROL SYSTEM (WECS-9500 / DENIS-9) 26
Part NumberDescription
DF 96310Spare parts for engine control system DENIS-9
DF 96330Spare parts for alarm system DENIS-9
DF 96340Thermometers, pressure gauges (1 of each type)
DF 93600Electronic module MCM 700
DF 93601Electronic module ASM 10
DF 93602Electronic module CCM 10
DF 93603Electronic module VDM 10
DF 93604Electronic module CAN gateway
DF 93605Power supply 24VDC/20A
DF 93606Power supply 24VDC/10A
DF 93607Power supply 24VDC/5A
DF 93608Converter 24VDC/2A
DF 56071Pressure transmitter 250 bar
DF 55635Pressure transmitter 1200 bar
DF 46282Proximity sensor PNP
DF 92260Shaft encoder drive, complete
DF 92265Crank angle sensor incl. securing plate
DF 92267Toothed belt
DF 92231Elastic screw
DF 92241Lever
DF 92242Dowel pin
DF 92243Compression spring
DF 92251Fixing screw
DF 93611Plug with cable for injection quantity & exhaust valve sensor
DF 273105/2-Solenoid valve for starting air valve
DF 55754Pre-control valve (alt. DF 56150)
DF 93612Plug with cable (upper)
DF 93613Plug with cable (lower)
DF 27553Valve stroke sensor
DF 93552Level switch
DF 58054Speed actuator for fuel pump
DF 93615Bus cable
DF 93617Control card for Bosch pump
DF 96200Spare parts box, complete
SUPPLY UNIT (FUEL / SERVO OIL) 14
Part NumberDescription
DF 55480Pinion to pump drive servo oil
DF 55482Shaft
DF 55481Carrier to supply unit
DF 87525Relief valve for intermediate fuel accumulator
DF 87505Shut-off valve in end unit
DF 84517Relief valve distributor block
DF 87545Fuel pressure pipe to accumulator, complete
DF 55600Fuel pump plunger
DF 84530Shut-off valve in collector block
DF 55475Cam
DF 55542Bearing bush to housing
DF 55483Camshaft bearing
DF 87506Valve body
DF 87504Flange
DF 87510Flange
DF 55605Set of O-rings and sealing rings
DF 87584Fuel shut down pilot valve
DF 87560Pressure control valve (fuel)

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