John Deere 6.303 O’rings on Liner
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AVAILABLE EQUIPMENT MODELS
Engine Series:
300
Engine Model:
6.303
Engine Desc:
To ESN 158,975
Engine Data:
O’rings on Liner
Engine Dimensions:
Bore: 3.86 in / 98 mm
Pin Ø: 1.1878 in / (+/- .0001) = 30mm
Block (m):
T24967, T24968
Con Rod (m):
T20007, R81410
Piston (m):
T23481
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Equipment Models
wheel loaders
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1) Engine O/H KitTOK6481 Click to view kit contentCLOSEItem #:Quantity:Description:TAR679421SEAL, CRANKSHAFT FRONTTAT211391BRG, MAIN THRUST STDTMX5061KIT, GROMMET(6)TPLK4816KIT, CYL 3152/4202TR7419412CAPSCREW, CON ROD 300 SERIESTRE273486BRG, CON ROD STDTRE273526BRG, MAIN STDTRE385681GASKET, O/H SET 6303TRE445741SEAL, OIL REARTT234716BUSHING, CON ROD2) Engine I/F KitTIK6481 Click to view kit contentSPEC SHEET - 6.303CLOSEItem #:Quantity:Description:TAT211391BRG, MAIN THRUST STDTPLK4816KIT, CYL 3152/4202TR7419412CAPSCREW, CON ROD 300 SERIESTR973441GASKET, OIL PAN 6 CYL,TRE273486BRG, CON ROD STDTRE273526BRG, MAIN STDTRE385711GASKET, CYL HEAD SET 6303 -
Piston-Liner KitTPLK481Consists of:a) TT23481 b) TAR70633 c) TT23482 d) TAR51902 e) TR51112 -
Main BearingTRE27352 Std. TRE27353 0.010 TRE27360 0.020 TRE27368 0.030Use 6 -
Thrust BearingTAT21139 Std. TAT21132 0.010 TAT21134 0.020 TAT21136 0.030Use 1 -
Con Rod BearingTRE27348 Std. TRE27349 0.010 TRE27358 0.020 TRE27364 0.030Use 6 -
1) Front SealTAR679422) Rear SealTRE44574 (1)3) CrankshaftTAT225624) Crankshaft, GearTT200945) Ring GearTR114282 (142T) -
1) O/H Gasket SetTRE385682) Head Gasket SetTRE385713) Head GasketTR984624) Oil Pan GasketTR973445) Rocker Cover GskTR75728 -
1) Bush, Con RodTT23471 x62) Bolt, Con RodTR74194 x12 (2)3) CamshaftTR82821 (3)4) Con RodTAT18005 -
1) Pump, OilTRE553432) Oil CoolerTRE319293) Rocker ArmTRE319734) Pump, Oil TubeTR1137525) Oil Pump O'RingTR61871 -
1) Lower GearTAT242522) Lower BushingTT263213) Upper GearTAT180094) Upper BushingTT200345) Cam. FollowerTT20073 x126) Cam. GearTT20070
Valve Section
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Valve, Intake
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Valve, Exhaust
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1) Insert, Valve In2) Insert, Valve Ex
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1) Cap, Valve2) Lock, Valve
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1) Spring, Valve2) Rotator, Valve3) O'ring Valve
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ThermostatsTAR70601 180° F (4) TAR77411 195ºF (4) -
1) Fuel Transfer PumpTRE422112) Fuel Pump GasketTR27285 -
Water Pump Repair KitWithout ImpellerTRE19510With ImpellerTMX132 -
1) Seal, InjectorTR60746 TR480002) Injector, PencilTAR895643) Kit, GrommetTMX5064) CapTAT27622 TAR856185) WasherTT295396) Tube NutTR51937
(1): Do not use with flywheel housing (m) T20300,T22991.
(2): Use TR74194 with C.Rod (m) T20007; use TR80033 with C.Rod (m) R81410.
(3): Threaded Type.
(4): Verify JD parts manual.