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6.404D Mid

Engine Serial Number 215,000 - 335,845
Bore: 4.25 in (108mm)

Pin Diameter: 1.500 in (38mm)

Piston marked: RE23168
Block marked: R40610, R40620, R45950, R47170, R48440
Connecting rod marked: R26047, R58880, R66923

Agricultural: 699, 4000, 4010, 4020
Construction: 600

Displaying products 1 - 81 of 81 results
John Deere 6.404D Engine Inframe Overhaul Rebuild Kit, Mid
Our Price: From $957.17 to $1,378.37
John Deere 6.404D Engine Inframe Overhaul Rebuild Kit, Mid
404 Engine with Serial Number from 215,000 to 335,845 (Mid Engines)
free shipping
John Deere 6.404D Engine Inframe Overhaul Rebuild Kit, Mid, Absolute
Our Price: From $992.90 to $1,654.02
John Deere 6.404D Engine Inframe Overhaul Rebuild Kit, Mid, Absolute
404 Engine with Serial Number from 215,000 to 335,845 (Mid Engines)
free shipping
John Deere 6-404 Overhaul Kit, FP Diesel
John Deere 6-404 Overhaul Rebuild Kit, FP Diesel, Mid
MSRP: $1,829.63
Our Price: $1,742.50
You Save: $87.13 (5 %)
John Deere 6-404 Overhaul Rebuild Kit, FP Diesel, Mid
404 Engine with Serial Number from 215,000 to 335,845 (Mid Engines)
free shipping
John Deere Cylinder Kit, Power Booster, RE23165HC
MSRP: $266.45
Our Price: $199.84
You Save: $66.61 (25 %)
John Deere Cylinder Kit, Power Booster, RE23165HC
270 Diesel Engines from Serial Number 280,001 (Late), 404 Engine Serial Number 215,000-335,845 (Mid)
John Deere Cylinder Kit, RE23165
MSRP: $187.87
Our Price: $140.90
You Save: $46.97 (25 %)
John Deere Cylinder Kit, RE23165
Standard compression. Piston, RE23168
John Deere Cylinder Sleeve, R40615
MSRP: $80.12
Our Price: $60.09
You Save: $20.03 (25 %)
John Deere Cylinder Sleeve, R40615
Fits 4.270D block casting numbers: R46350, R46430, R40910, R40700, R47520, R48430, R50610, R72127 and 6.404D/T/A block casting numbers: R40930, R40610, R40620, R45950, R47170, R48440, R49470, R49650, R59850, R72128, R87558, R43310, R45980, R47020, R47110
John Deere Liner Sealing Ring Kit, AR65507
MSRP: $7.35
Our Price: $5.51
You Save: $1.84 (25 %)
John Deere Liner Sealing Ring Kit, AR65507
replaces: AR65507
John Deere Piston, RE23163HC
MSRP: $123.93
Our Price: $92.95
You Save: $30.98 (25 %)
John Deere Piston, RE23163HC
270 Diesel Engines from Serial Number 280,001 (Late), 404 Engine Serial Number 215,000 up (Mid & Late)
John Deere Piston, RE23168
MSRP: $104.52
Our Price: $78.39
You Save: $26.13 (25 %)
John Deere Piston, RE23168
Standard compression
John Deere Piston Ring Set, 1 cylinder set, AR55630
MSRP: $31.45
Our Price: $23.58
You Save: $7.87 (25 %)
John Deere Piston Ring Set, 1 cylinder set, AR55630
Use with standard compression piston RE23173
John Deere Piston Pin, R44161
MSRP: $17.92
Our Price: $13.44
You Save: $4.48 (25 %)
John Deere Piston Pin, R44161
Pin Diameter: 1.500 in (38mm)
John Deere Piston Pin Retainer, H80753
MSRP: $4.22
Our Price: $1.64
You Save: $2.58 (61 %)
John Deere Piston Pin Retainer, H80753
replaces: H80753
John Deere Main Bearing, Standard, AR74814
MSRP: $23.02
Our Price: $17.26
You Save: $5.76 (25 %)
John Deere Main Bearing, Standard, AR74814
Standard
John Deere Thrust Main Bearing, Standard, AR77748
MSRP: $36.00
Our Price: $27.01
You Save: $8.99 (25 %)
John Deere Thrust Main Bearing, Standard, AR77748
Standard
John Deere Main Bearing, .010, AR74816
MSRP: $23.02
Our Price: $17.26
You Save: $5.76 (25 %)
John Deere Main Bearing, .010, AR74816
.010 (.25mm)
John Deere Thrust Main Bearing, .010, AR77750
MSRP: $36.00
Our Price: $27.01
You Save: $8.99 (25 %)
John Deere Thrust Main Bearing, .010, AR77750
.010 (.25mm)
John Deere Main Bearing, .020, AR74817
MSRP: $23.02
Our Price: $17.26
You Save: $5.76 (25 %)
John Deere Main Bearing, .020, AR74817
.020 (.50mm)
John Deere Thrust Main Bearing, .020, AR77751
MSRP: $36.00
Our Price: $27.01
You Save: $8.99 (25 %)
John Deere Thrust Main Bearing, .020, AR77751
.020 (.50mm)
John Deere Main Bearing, .030, AR74818
MSRP: $23.02
Our Price: $17.26
You Save: $5.76 (25 %)
John Deere Main Bearing, .030, AR74818
.030 (.75mm)
John Deere Thrust Main Bearing, .030, AR77752
MSRP: $36.00
Our Price: $27.01
You Save: $8.99 (25 %)
John Deere Thrust Main Bearing, .030, AR77752
.030 (.75mm)
John Deere Rod Bearing, Standard, AR45723
MSRP: $13.08
Our Price: $9.81
You Save: $3.27 (25 %)
John Deere Rod Bearing, Standard, AR45723
Standard
John Deere Rod Bearing, .010, AR46396
MSRP: $13.08
Our Price: $9.81
You Save: $3.27 (25 %)
John Deere Rod Bearing, .010, AR46396
.010 (.25mm)
John Deere Rod Bearing, .020, AR46397
MSRP: $13.08
Our Price: $9.81
You Save: $3.27 (25 %)
John Deere Rod Bearing, .020, AR46397
.020 (.50mm)
John Deere Rod Bearing, .030, AR46398
MSRP: $13.08
Our Price: $9.81
You Save: $3.27 (25 %)
John Deere Rod Bearing, .030, AR46398
.030 (.75mm)
John Deere Thrust Washer Set, Standard, AR77747
John Deere Thrust Washer Set, Standard, AR77747
MSRP: $20.53
Our Price: $15.39
You Save: $5.14 (25 %)
John Deere Thrust Washer Set, Standard, AR77747
Standard
John Deere Thrust Washer Set, .007, AR77753
MSRP: $32.39
Our Price: $24.30
You Save: $8.09 (25 %)
John Deere Thrust Washer Set, .007, AR77753
.007
John Deere Head Gasket, R48291
MSRP: $49.12
Our Price: $36.84
You Save: $12.28 (25 %)
John Deere Head Gasket, R48291
replaces: R48291
John Deere Head Gasket Set, AR53630
MSRP: $81.61
Our Price: $61.20
You Save: $20.41 (25 %)
John Deere Head Gasket Set, AR53630
Engine Serial Number 215,000 - 335,845
John Deere Oil Pan Gasket, R71918
MSRP: $20.49
Our Price: $15.36
You Save: $5.13 (25 %)
John Deere Oil Pan Gasket, R71918
With Aluminum Oil Pan use R49377 (RE504822)
John Deere Full Gasket Set, without crank seals, AR53631
MSRP: $131.68
Our Price: $98.75
You Save: $32.93 (25 %)
John Deere Full Gasket Set, without crank seals, AR53631
Engine Serial Number 215,000 - 335,845
John Deere Front Crank Seal & Sleeve, AR49025
MSRP: $15.97
Our Price: $11.98
You Save: $3.99 (25 %)
John Deere Front Crank Seal & Sleeve, AR49025
replaces: AR49025
John Deere Front Crank Seal, RE543639
MSRP: $23.40
Our Price: $17.55
You Save: $5.85 (25 %)
John Deere Front Crank Seal, RE543639
includes washer
John Deere Rear Crank Seal & Sleeve, RE520036
MSRP: $37.72
Our Price: $28.30
You Save: $9.42 (25 %)
John Deere Rear Crank Seal & Sleeve, RE520036
replaces: RE520036
John Deere Water Pump Gasket, R26341
MSRP: $2.49
Our Price: $1.87
You Save: $0.62 (25 %)
John Deere Water Pump Gasket, R26341
replaces: R26341
John Deere Water Pump Gasket, R26343
MSRP: $2.82
Our Price: $2.11
You Save: $0.71 (25 %)
John Deere Water Pump Gasket, R26343
replaces: R26343
John Deere Air Inlet Gasket, R81275
MSRP: $2.19
Our Price: $1.65
You Save: $0.54 (25 %)
John Deere Air Inlet Gasket, R81275
John Deere Valve Cover Gasket, R49866
MSRP: $8.09
Our Price: $6.07
You Save: $2.02 (25 %)
John Deere Valve Cover Gasket, R49866
replaces: R49866
John Deere Exhaust Manifold Gasket, R83021
MSRP: $2.36
Our Price: $1.77
You Save: $0.59 (25 %)
John Deere Exhaust Manifold Gasket, R83021
John Deere Fuel Pump Gasket, R27285
MSRP: $3.41
Our Price: $1.32
You Save: $2.09 (61 %)
John Deere Fuel Pump Gasket, R27285
replaces: R27285
John Deere Oil Supply Tube O-Ring, R75892
MSRP: $5.75
Our Price: $2.00
You Save: $3.75 (65 %)
John Deere Oil Supply Tube O-Ring, R75892
Sold per seal
John Deere Thermostat Gasket, R54641
MSRP: $5.12
Our Price: $2.00
You Save: $3.12 (61 %)
John Deere Thermostat Gasket, R54641
John Deere Connecting Rod, AR70910
MSRP: $134.10
Our Price: $100.57
You Save: $33.53 (25 %)
John Deere Connecting Rod, AR70910
Fits John Deere 270, 404 engines with 1.50" Wrist Pins.
John Deere Connecting Rod Bolt, R66452
MSRP: $6.09
Our Price: $4.57
You Save: $1.52 (25 %)
John Deere Connecting Rod Bolt, R66452
For Machine Split Connecting Rods
John Deere Piston Pin Bushing, R30939
MSRP: $7.30
Our Price: $5.47
You Save: $1.83 (25 %)
John Deere Piston Pin Bushing, R30939
Requires boring after installation
John Deere Camshaft Kit, AR100386
MSRP: $392.08
Our Price: $294.06
You Save: $98.02 (25 %)
John Deere Camshaft Kit, AR100386
For Crankshaft Driven Oil Pumps Only
John Deere Valve Lifter, R52773
MSRP: $9.47
Our Price: $7.10
You Save: $2.37 (25 %)
John Deere Valve Lifter, R52773
replaces: R52773
John Deere Camshaft Bearing, R46903
MSRP: $8.22
Our Price: $6.16
You Save: $2.06 (25 %)
John Deere Camshaft Bearing, R46903
Sold individually
John Deere Camshaft Plug, R26115
MSRP: $4.91
Our Price: $3.69
You Save: $1.22 (25 %)
John Deere Camshaft Plug, R26115
replaces: R26115
John Deere Crankshaft, RE53422
MSRP: $1,776.96
Our Price: $1,767.77
You Save: $9.19 (1 %)
John Deere Crankshaft, RE53422
Requires front key R116311 for the front damper
free shipping
John Deere Crankshaft Key, R116311
MSRP: $14.50
Our Price: $12.63
You Save: $1.87 (13 %)
John Deere Crankshaft Key, R116311
for RE53422 crankshaft
John Deere Exhaust Valve, R43679
MSRP: $16.41
Our Price: $12.31
You Save: $4.10 (25 %)
John Deere Exhaust Valve, R43679
Standard stem
John Deere Exhaust Valve, R43787
MSRP: $16.69
Our Price: $12.52
You Save: $4.17 (25 %)
John Deere Exhaust Valve, R43787
.003 oversize stem
John Deere Exhaust Valve, R43788
MSRP: $16.69
Our Price: $12.52
You Save: $4.17 (25 %)
John Deere Exhaust Valve, R43788
.015 oversize stem
John Deere Intake Valve, R43883
MSRP: $20.39
Our Price: $15.30
You Save: $5.09 (25 %)
John Deere Intake Valve, R43883
45 degree
John Deere Intake Valve, R45003
MSRP: $20.94
Our Price: $15.71
You Save: $5.23 (25 %)
John Deere Intake Valve, R45003
.003 oversize stem
John Deere Intake Valve, R45004
MSRP: $20.94
Our Price: $15.71
You Save: $5.23 (25 %)
John Deere Intake Valve, R45004
.015 oversize stem
John Deere Valve Spring, R26125
MSRP: $2.65
Our Price: $1.98
You Save: $0.67 (25 %)
John Deere Valve Spring, R26125
replaces: R26125
John Deere Valve Keeper, T20077
MSRP: $1.40
Our Price: $0.60
You Save: $0.80 (57 %)
John Deere Valve Keeper, T20077
replaces: T20077
John Deere Valve Seat, R43680
MSRP: $9.34
Our Price: $7.00
You Save: $2.34 (25 %)
John Deere Valve Seat, R43680
Intake, standard
John Deere Valve Seat, R43681
MSRP: $10.26
Our Price: $7.70
You Save: $2.56 (25 %)
John Deere Valve Seat, R43681
Exhaust, standard
John Deere Valve Rotator, RE11410
MSRP: $9.03
Our Price: $6.77
You Save: $2.26 (25 %)
John Deere Valve Rotator, RE11410
Sold per rotator
John Deere Valve Seal, R87627
MSRP: $2.22
Our Price: $0.95
You Save: $1.27 (57 %)
John Deere Valve Seal, R87627
Sold per seal
John Deere Valve Stem Cap, T20129
MSRP: $4.99
Our Price: $3.49
You Save: $1.50 (30 %)
John Deere Valve Stem Cap, T20129
Sold per cap
John Deere 404, 6.404, 466, 6.466 Head Bolt Kit, MX365
MSRP: $121.81
Our Price: $98.48
You Save: $23.33 (19 %)
John Deere 404, 6.404, 466, 6.466  Head Bolt Kit, MX365
Includes four different length head bolts
John Deere Head Bolt, R88042
MSRP: $4.16
Our Price: $3.12
You Save: $1.04 (25 %)
John Deere Head Bolt, R88042
3.250 inch
John Deere Head Bolt, R88043
MSRP: $4.18
Our Price: $3.13
You Save: $1.05 (25 %)
John Deere Head Bolt, R88043
5.230 inch
John Deere Head Bolt, R88044
MSRP: $5.71
Our Price: $4.28
You Save: $1.43 (25 %)
John Deere Head Bolt, R88044
6.225 inch
John Deere Head Bolt, R88045
MSRP: $6.27
Our Price: $4.70
You Save: $1.57 (25 %)
John Deere Head Bolt, R88045
7.300 inch
John Deere 6404 Cylinder Head, Brand New, Loaded, RE12975
MSRP: $2,423.08
Our Price: $2,398.86
You Save: $24.22 (1 %)
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
MSRP: $204.69
Our Price: $153.52
You Save: $51.17 (25 %)
John Deere Oil Pump, AR41949
replaces: AR41949
John Deere Oil Cooler Tube Sealing Ring, R47153
MSRP: $3.57
Our Price: $1.39
You Save: $2.18 (61 %)
John Deere Oil Cooler Tube Sealing Ring, R47153
replaces: R47153
John Deere Water Pump, AR45332
MSRP: $137.38
Our Price: $115.62
You Save: $21.76 (16 %)
John Deere Water Pump, AR45332
Interchanges: AR45332, R26337, R27547, R34977, R34982, R41315, R41318, R44122
John Deere Water Pump Repair Kit, AR55617
MSRP: $66.81
Our Price: $50.11
You Save: $16.70 (25 %)
John Deere Water Pump Repair Kit, AR55617
with impeller, Fits water pumps marked R26337, R27547, R34977, R34982
John Deere Thermostat, R36846
MSRP: $10.26
Our Price: $7.70
You Save: $2.56 (25 %)
John Deere Thermostat, R36846
180 degrees
John Deere Fuel Injector, AR50781
MSRP: $68.76
Our Price: $51.57
You Save: $17.19 (25 %)
John Deere Fuel Injector, AR50781
pencil
John Deere Fuel Injector Packing, R48000
MSRP: $3.72
Our Price: $1.45
You Save: $2.27 (61 %)
John Deere Fuel Injector Packing, R48000
replaces: R48000
John Deere Fuel Injector Packing, R60746
MSRP: $1.78
Our Price: $0.76
You Save: $1.02 (57 %)
John Deere Fuel Injector Packing, R60746
replaces: R60746
John Deere Fuel Lift Transfer Pump, AR49771
MSRP: $58.95
Our Price: $44.22
You Save: $14.73 (25 %)
John Deere Fuel Lift Transfer Pump, AR49771
From Engine Serial 422,366
John Deere Fuel Lift Transfer Pump, AR53567
MSRP: $71.31
Our Price: $53.49
You Save: $17.82 (25 %)
John Deere Fuel Lift Transfer Pump, AR53567
John Deere Fuel Lift Transfer Pump, RE42211
MSRP: $47.04
Our Price: $39.80
You Save: $7.24 (15 %)
John Deere Fuel Lift Transfer Pump, RE42211
John Deere Flywheel Ring Gear, R28811
MSRP: $68.53
Our Price: $51.40
You Save: $17.13 (25 %)
John Deere Flywheel Ring Gear, R28811
129 Teeth