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Parts for John Deere 6-303 Engines Block Marked T32345, R53260, R55035, R72970 with O'Rings in Block


Diesel Parts Direct carries a great selection of aftermarket parts for John Deere 6-303 engines, including fuel transfer pumps, oil pumps, water pumps, overhaul kits and gasket sets.

Most parts are serial number specific. Click here for more information on your ESN.

If you do not see the parts you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.

Engine Model Details



Block Marked
T32345, R53260, R55035, R72970
ESN
158796 and up
O'Rings
In Block

FRONT CRANKSHAFT SEAL

$15.18

THERMOSTAT (180degF)

$67.61

PISTON RING SET (2-3/32, 1-1.5MM, 3.8583" BORE, 1 CYLINDER SET)

$35.58

CYLINDER KIT - 3-152 / 4-202 / 6-303 (NO O'RING GROOVES ON SLEEVE)

$211.61

THERMOSTAT (195degF)

$120.92

FUEL INJECTOR (PENCIL TYPE)

MARKED 17427, 17511, 18457, 18717, 18742, 19762, 20500, 20631, 22042, 22202, 22203, 27333, 27334, 28481

$57.75

CONNECTING ROD (1.875" PIN)

$103.76

INTAKE VALVE (1.770" HEAD DIAMETER, 5.155" LENGTH, 45deg)

$16.56

EXHAUST VALVE (1.574" HEAD DIAMETER, 5.155" LENGTH, 45°)

$17.10

EXHAUST VALVE (.003" OVERSIZE STEM DIAMETER, 45deg)

$12.85

EXHAUST VALVE (.015" OVERSIZE STEM DIAMETER, 45°)

$14.34

EXHAUST VALVE (.030" OVERSIZE STEM DIAMETER, 45deg)

$30.03

INTAKE VALVE (.003" OVERSIZE STEM DIAMETER, 45deg)

$10.99

INTAKE VALVE (.015" OVERSIZE STEM DIAMETER, 45deg)

$11.91

INTAKE VALVE (.030" OVERSIZE STEM DIAMETER, 45deg)

Call for price

CAMSHAFT

$402.03

CONNECTING ROD BEARING (STANDARD)

$10.19

CONNECTING ROD BEARING (.010")

$9.97

CONNECTING ROD BEARING (.020")

$21.21

CONNECTING ROD BEARING (.030")

$21.21

CYLINDER HEAD GASKET SET - 6-303

$103.36

FUEL TRANSFER PUMP (THREADED PORTS, WITH MOUNTING GASKET)

$60.15

REAR CRANKSHAFT SEAL WITH SLEEVE (TEFLON)

$40.09

OVERHAUL GASKET SET - 6-303 (WITHOUT CRANKSHAFT SEALS)

$213.85

OIL PUMP (1.625" GEARS, 3 BOLT BACK PLATE)

Surplus Item - Special Pricing

$127.75

WATER PUMP REPAIR KIT - 6-303 / 6-329

$121.18

WATER PUMP REPAIR KIT (WITH IMPELLER)

$84.95

IN-FRAME OVERHAUL KIT - 6-303D (WITH ROD BOLTS)

BLOCK MARKED T32345, R53260, R55035, R72970, O'RINGS IN BLOCK

$1,157.28

MAIN BEARING SET (STANDARD)

$171.20

MAJOR ENGINE OVERHAUL KIT - 6-303D

BLOCK MARKED T32345, R53260, R55035, R72970, O'RINGS IN BLOCK

$1,351.34

PISTON KIT

$127.58

CYLINDER SLEEVE (WITH SEALING RINGS, NO O'RING GROOVES ON SLEEVE)

$72.33