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6.404D Replacement Block

To Engine Serial Number 214,999
Bore: 4.25 in (108mm)

Pin Diameter: 1.500 in (38mm)

Piston marked: RE23172
Block marked: R40930
Connecting rod marked: R26047, R58880, R66923

Agricultural: 4010, 4020

Displaying products 1 - 72 of 72 results
John Deere 6.404D Engine Inframe Overhaul Rebuild Kit, Replacement Block
Our Price: From $1,203.10 to $1,290.79
John Deere 6.404D Engine Inframe Overhaul Rebuild Kit, Replacement Block
To Engine Serial Number 214,999
free shipping
John Deere Cylinder Kit, RE23170
MSRP: $175.23
Our Price: $172.41
You Save: $2.82 (2 %)
John Deere Cylinder Kit, RE23170
Piston, RE23172
John Deere Cylinder Sleeve, R32050
Our Price: $55.89
John Deere Cylinder Sleeve, R32050
Fits 4.270D Engine block casting numbers: R26160, R32020, R40850 and 6.404D Engine block casting numbers: R26070, R33180, R34340, R40890, R40900
John Deere Liner Sealing Ring Kit, AR65507
MSRP: $25.22
Our Price: $21.93
You Save: $3.29 (13 %)
John Deere Liner Sealing Ring Kit, AR65507
replaces: AR65507
John Deere Piston Pin, R44161
MSRP: $16.35
Our Price: $15.81
You Save: $0.54 (3 %)
John Deere Piston Pin, R44161
Pin Diameter: 1.500 in (38mm)
John Deere Piston Pin Retainer, H80753
MSRP: $1.79
Our Price: $1.55
You Save: $0.24 (13 %)
John Deere Piston Pin Retainer, H80753
replaces: H80753
John Deere Main Bearing, Standard, AR74814
MSRP: $22.82
Our Price: $20.38
You Save: $2.44 (11 %)
John Deere Main Bearing, Standard, AR74814
Standard
John Deere Thrust Main Bearing, Standard, AR77748
MSRP: $34.47
Our Price: $33.36
You Save: $1.11 (3 %)
John Deere Thrust Main Bearing, Standard, AR77748
Standard
John Deere Main Bearing, .010, AR74816
Our Price: $21.33
John Deere Main Bearing, .010, AR74816
.010 (.25mm)
John Deere Thrust Main Bearing, .010, AR77750
MSRP: $36.00
Our Price: $32.14
You Save: $3.86 (11 %)
John Deere Thrust Main Bearing, .010, AR77750
.010 (.25mm)
John Deere Main Bearing, .020, AR74817
Our Price: $21.33
John Deere Main Bearing, .020, AR74817
.020 (.50mm)
John Deere Thrust Main Bearing, .020, AR77751
Our Price: $33.36
John Deere Thrust Main Bearing, .020, AR77751
.020 (.50mm)
John Deere Main Bearing, .030, AR74818
Our Price: $21.33
John Deere Main Bearing, .030, AR74818
.030 (.75mm)
John Deere Thrust Main Bearing, .030, AR77752
Our Price: $33.36
John Deere Thrust Main Bearing, .030, AR77752
.030 (.75mm)
John Deere Rod Bearing, Standard, AR45723
MSRP: $14.45
Our Price: $13.26
You Save: $1.19 (8 %)
John Deere Rod Bearing, Standard, AR45723
Standard
John Deere Rod Bearing, .010, AR46396
MSRP: $15.18
Our Price: $13.43
You Save: $1.75 (12 %)
John Deere Rod Bearing, .010, AR46396
.010 (.25mm)
John Deere Rod Bearing, .020, AR46397
MSRP: $15.15
Our Price: $13.41
You Save: $1.74 (11 %)
John Deere Rod Bearing, .020, AR46397
.020 (.50mm)
John Deere Rod Bearing, .030, AR46398
MSRP: $14.88
Our Price: $13.17
You Save: $1.71 (11 %)
John Deere Rod Bearing, .030, AR46398
.030 (.75mm)
John Deere Thrust Washer Set, Standard, AR77747
John Deere Thrust Washer Set, Standard, AR77747
MSRP: $25.71
Our Price: $23.37
You Save: $2.34 (9 %)
John Deere Thrust Washer Set, Standard, AR77747
Standard
John Deere Thrust Washer Set, .007, AR77753
MSRP: $29.31
Our Price: $27.26
You Save: $2.05 (7 %)
John Deere Thrust Washer Set, .007, AR77753
.007
John Deere 381, 404 Diesel (Early) Head Gasket, R45615
MSRP: $53.66
Our Price: $47.49
You Save: $6.17 (11 %)
John Deere 381, 404 Diesel (Early) Head Gasket, R45615
Fits 381, 404 Diesel (Early)
John Deere Head Gasket Set, AR53625
MSRP: $95.40
Our Price: $85.18
You Save: $10.22 (11 %)
John Deere Head Gasket Set, AR53625
replaces: AR53625
John Deere Oil Pan Gasket, R71918
Our Price: $27.03
John Deere Oil Pan Gasket, R71918
With Aluminum Oil Pan use R49377 (RE504822)
John Deere Full Gasket Set, without crank seals, AR53626
MSRP: $161.09
Our Price: $141.30
You Save: $19.79 (12 %)
John Deere Full Gasket Set, without crank seals, AR53626
replaces: AR53626
John Deere Front Crank Seal & Sleeve, AR49025
MSRP: $18.56
Our Price: $16.28
You Save: $2.28 (12 %)
John Deere Front Crank Seal & Sleeve, AR49025
replaces: AR49025
John Deere Front Crank Seal, RE543639
Our Price: $21.69
John Deere Front Crank Seal, RE543639
includes washer
John Deere Rear Crank Seal & Sleeve, RE520036
MSRP: $39.20
Our Price: $34.39
You Save: $4.81 (12 %)
John Deere Rear Crank Seal & Sleeve, RE520036
replaces: RE520036
John Deere Water Pump Gasket, R26341
MSRP: $2.47
Our Price: $2.25
You Save: $0.22 (9 %)
John Deere Water Pump Gasket, R26341
replaces: R26341
John Deere Water Pump Gasket, R26343
MSRP: $3.07
Our Price: $2.76
You Save: $0.31 (10 %)
John Deere Water Pump Gasket, R26343
replaces: R26343
John Deere Exhaust Manifold Gasket, R83021
MSRP: $5.06
Our Price: $4.40
You Save: $0.66 (13 %)
John Deere Exhaust Manifold Gasket, R83021
John Deere Fuel Pump Gasket, R27285
MSRP: $1.54
Our Price: $1.37
You Save: $0.17 (11 %)
John Deere Fuel Pump Gasket, R27285
replaces: R27285
John Deere Oil Supply Tube O-Ring, R75892
MSRP: $1.65
Our Price: $1.46
You Save: $0.19 (12 %)
John Deere Oil Supply Tube O-Ring, R75892
Sold per seal
John Deere Connecting Rod, AR70910
Our Price: $124.25
John Deere Connecting Rod, AR70910
Fits John Deere 270, 404 engines with 1.50" Wrist Pins.
John Deere Connecting Rod Bolt, R66452
Our Price: $5.64
John Deere Connecting Rod Bolt, R66452
For Machine Split Connecting Rods
John Deere Piston Pin Bushing, R30939
Our Price: $6.77
John Deere Piston Pin Bushing, R30939
Requires boring after installation
John Deere Valve Lifter, R26342
Our Price: $12.80
John Deere Valve Lifter, R26342
replaces: R26342
John Deere Camshaft Bearing, R46903
MSRP: $9.23
Our Price: $8.09
You Save: $1.14 (12 %)
John Deere Camshaft Bearing, R46903
Sold individually
John Deere Camshaft Plug, R26115
MSRP: $6.31
Our Price: $5.84
You Save: $0.47 (7 %)
John Deere Camshaft Plug, R26115
replaces: R26115
John Deere Crankshaft, RE53422
Our Price: $2,475.00
John Deere Crankshaft, RE53422
Requires front key R116311 for the front damper
free shipping
John Deere Crankshaft Key, R116311
MSRP: $18.80
Our Price: $16.49
You Save: $2.31 (12 %)
John Deere Crankshaft Key, R116311
for RE53422 crankshaft
John Deere Exhaust Valve, R26123
MSRP: $13.97
Our Price: $13.50
You Save: $0.47 (3 %)
John Deere Exhaust Valve, R26123
4.270 To Engine Serial Number 157,001 and 6.404 To Engine Serial 82,801
John Deere Exhaust Valve, R44175
MSRP: $17.24
Our Price: $15.25
You Save: $1.99 (12 %)
John Deere Exhaust Valve, R44175
4.270 Engine Serial Numbers 157,002-280,000 and 6.404 Engine Serial Numbers 82,802-214,999
John Deere Intake Valve, R26124
Our Price: $13.50
John Deere Intake Valve, R26124
4.270 To Engine Serial Number 157,001 and 6.404 To Engine Serial 82,801
John Deere Intake Valve, R44174
MSRP: $15.48
Our Price: $13.82
You Save: $1.66 (11 %)
John Deere Intake Valve, R44174
4.270 Engine Serial Numbers 157,002-280,000 and 6.404 Engine Serial Numbers 82,802-214,999
John Deere Valve Spring, R26125
John Deere Valve Spring, R26125
MSRP: $3.55
Our Price: $3.22
You Save: $0.33 (9 %)
John Deere Valve Spring, R26125
Length: 2.173, OD: 1.375
John Deere Valve Keeper, B367R
MSRP: $0.67
Our Price: $0.58
You Save: $0.09 (13 %)
John Deere Valve Keeper, B367R
Sold individually
John Deere Valve Keeper, T20077
MSRP: $1.45
Our Price: $1.26
You Save: $0.19 (13 %)
John Deere Valve Keeper, T20077
replaces: T20077
John Deere Valve Guide, R28654
Our Price: $6.69
John Deere Valve Guide, R28654
replaces: R28654
John Deere Valve Seat, R43680
MSRP: $10.90
Our Price: $9.82
You Save: $1.08 (10 %)
John Deere Valve Seat, R43680
Intake, standard
John Deere Valve Seat, R43681
MSRP: $12.74
Our Price: $11.27
You Save: $1.47 (12 %)
John Deere Valve Seat, R43681
Exhaust, standard
John Deere Valve Rotator, RE11410
Our Price: $9.53
John Deere Valve Rotator, RE11410
Sold per rotator
John Deere Valve Seal, R87627
John Deere Valve Seal, R87627
MSRP: $0.62
Our Price: $0.56
You Save: $0.06 (10 %)
John Deere Valve Seal, R87627
Sold per seal
John Deere Valve Stem Cap, T20129
John Deere Valve Stem Cap, T20129
MSRP: $7.31
Our Price: $6.35
You Save: $0.96 (13 %)
John Deere Valve Stem Cap, T20129
Sold per cap
John Deere Head Bolt, R88042
MSRP: $6.92
Our Price: $6.35
You Save: $0.57 (8 %)
John Deere Head Bolt, R88042
3.250 inch
John Deere Head Bolt, R88043
Our Price: $4.11
John Deere Head Bolt, R88043
5.230 inch
John Deere Head Bolt, R88044
MSRP: $9.11
Our Price: $7.93
You Save: $1.18 (13 %)
John Deere Head Bolt, R88044
6.225 inch
John Deere Head Bolt, R88045
Our Price: $5.63
John Deere Head Bolt, R88045
7.300 inch
John Deere 6404 Cylinder Head, Brand New, Loaded, RE12975
MSRP: $2,692.71
Our Price: $2,494.23
You Save: $198.48 (7 %)
John Deere 6404 Cylinder Head, Brand New, Loaded, RE12975
John Deere 6404, 6-404, 404 Cylinder Head, Brand New, Loaded, RE12975
free shipping
John Deere Oil Pump, AR41949
Our Price: $189.66
John Deere Oil Pump, AR41949
replaces: AR41949
John Deere Oil Cooler Tube Sealing Ring, R47153
MSRP: $1.36
Our Price: $1.24
You Save: $0.12 (9 %)
John Deere Oil Cooler Tube Sealing Ring, R47153
replaces: R47153
John Deere Water Pump, AR45332
MSRP: $146.61
Our Price: $142.31
You Save: $4.30 (3 %)
John Deere Water Pump, AR45332
Interchanges: AR45332, R26337, R27547, R34977, R34982, R41315, R41318, R44122
John Deere Water Pump Repair Kit, AR55617
Our Price: $61.89
John Deere Water Pump Repair Kit, AR55617
with impeller, Fits water pumps marked R26337, R27547, R34977, R34982
John Deere Thermostat, R36846
MSRP: $14.24
Our Price: $12.38
You Save: $1.86 (13 %)
John Deere Thermostat, R36846
180 degrees
John Deere Fuel Injector, AR50781
Our Price: $57.30
John Deere Fuel Injector, AR50781
pencil
John Deere Fuel Injector Packing, R48000
MSRP: $1.09
Our Price: $1.00
You Save: $0.09 (8 %)
John Deere Fuel Injector Packing, R48000
replaces: R48000
John Deere Fuel Injector Packing, R60746
MSRP: $1.46
Our Price: $1.28
You Save: $0.18 (12 %)
John Deere Fuel Injector Packing, R60746
replaces: R60746
John Deere Fuel Line Leak Off Kit, RE27786
MSRP: $177.82
Our Price: $108.63
You Save: $69.19 (39 %)
John Deere Fuel Line Leak Off Kit, RE27786
replaces: RE15805, RE21103, AR88495, RE27786
John Deere Fuel Lift Transfer Pump, AR49771
Our Price: $54.62
John Deere Fuel Lift Transfer Pump, AR49771
From Engine Serial 422,366
John Deere Fuel Lift Transfer Pump, RE42211
Our Price: From $39.38 to $41.00
John Deere Fuel Lift Transfer Pump, RE42211
John Deere Flywheel Ring Gear, R28811
Our Price: $63.51
John Deere Flywheel Ring Gear, R28811
129 Teeth