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CAT 320D2 parts — Genuine & OEM Replacement Parts

10,123 part numbers
20 systems
12 months warranty

WSTPARTS supplies 10,123 genuine and high-quality OEM replacement parts for Caterpillar 320D2 equipment, covering 20 major systems including Bolt/Nut, Structure, Drivetrain, Fitting, Hydraulic Hose. Every part number below is fitment-verified before dispatch, backed by factory-direct pricing and a warranty per quotation. Send us your machine serial number for a fast quotation.

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CAT 320D2 parts · 320D2 parts · 320D2 Drivetrain parts · 320D2 Hydraulic Hose parts · 320D2 Electrical System parts · 320D2 genuine parts

Popular part types: injector filter hydraulic pump seal kit turbo belt bearing sensor

320D2 Bolt/Nut (1,853 parts)

0120380
WASHER
US$ 0.46
0120380
WASHER
US$ 0.46
0300167
RING
US$ 3.55
0300167
RING
US$ 3.55
0338248
CLIP
US$ 1.87
0338248
CLIP
US$ 1.87
0816344
SPACER
US$ 13.39
0855864
RING CUSH
US$ 25.29
0856448
SCREW
US$ 0.36
0856448
SCREW
US$ 0.36
0856719
SHIM
US$ 0.48
0856719
SHIM
US$ 0.48
0856720
SHIM
US$ 0.48
0856720
SHIM
US$ 0.48
0857084
BOLT
US$ 4.33
View all 1,853 Bolt/Nut parts →

320D2 Structure (1,755 parts)

0046683
ADAPTER
US$ 2.47
0857080
LEVER
US$ 135.69
0857080
LEVER
US$ 135.69
0859197
COVER BRG
US$ 52.80
0859197
COVER BRG
US$ 52.80
0859222
ADAPTER
US$ 11.33
0859222
ADAPTER
US$ 11.33
0859259
KEY
US$ 0.69
0859259
KEY
US$ 0.69
0859652
KEY
US$ 0.72
0859652
KEY
US$ 0.72
0859653
KEY
US$ 0.69
0859653
KEY
US$ 0.69
0859832
COVER
US$ 40.26
0859832
COVER
US$ 40.26
View all 1,755 Structure parts →

320D2 Drivetrain (844 parts)

0304606
SEAL-O-RIN
US$ 2.35
0856723
BEARING
US$ 25.17
0856723
BEARING
US$ 25.17
0857540
SEAL O RIN
US$ 5.67
0859655
GASKET
US$ 0.72
0859655
GASKET
US$ 0.72
0861345
SEAL
US$ 33.94
0861345
SEAL
US$ 33.94
0875317
ROD
US$ 45.53
0931433
SEAL,DUST
US$ 9.70
0931433
SEAL,DUST
US$ 9.70
0931434
SEAL,DUST
US$ 11.46
0940876
SEAL
US$ 4.25
0940876
SEAL
US$ 4.25
0949424
Gasket
US$ 2.66
View all 844 Drivetrain parts →

320D2 Fitting (715 parts)

0875709
BELLOWS
US$ 36.60
0875709
BELLOWS
US$ 36.60
0875775
PIPE
US$ 51.60
0941920
PIPE,HOLDE
US$ 58.98
0941920
PIPE,HOLDE
US$ 58.98
0958638
CHECK NPR
US$ 0.22
0958638
CHECK NPR
US$ 0.22
0961523
GUIDE
US$ 56.03
0961523
GUIDE
US$ 56.03
0964754
CHECK NPR
US$ 14.52
0966465
JOINT
US$ 152.60
1017404
TUBE AS
US$ 3.53
1021120
ELBOW A
US$ 389.17
1021120
ELBOW A
US$ 389.17
1021291
ELBOW A
US$ 389.17
View all 715 Fitting parts →

320D2 Hydraulic Hose (574 parts)

0874402
HOSE A
US$ 42.39
0874402
HOSE A
US$ 42.39
0874411
HOSE A
US$ 41.80
0874411
HOSE A
US$ 41.80
0874441
HOSE A
US$ 43.08
0874480
HOSE A
US$ 50.23
0874503
HOSE A
US$ 35.44
0874531
HOSE AS
US$ 43.55
0874531
HOSE AS
US$ 43.55
0874532
HOSE A
US$ 40.36
0874534
HOSE A
US$ 52.43
0874534
HOSE A
US$ 52.43
0874535
HOSE A
US$ 96.64
0875303
HOSE A
US$ 68.68
0875303
HOSE A
US$ 68.68
View all 574 Hydraulic Hose parts →

320D2 Electrical System (443 parts)

0859199
PLUG
US$ 6.03
0859199
PLUG
US$ 6.03
0859206
NUT CAP
US$ 5.44
0859206
NUT CAP
US$ 5.44
0859211
PLUG
US$ 5.67
0859211
PLUG
US$ 5.67
0859914
CAPSULE
US$ 18.40
0859914
CAPSULE
US$ 18.40
0862746
CONNECTOR
US$ 21.53
0873533
CAP
US$ 6.99
0941882
PLUG
US$ 5.22
0941882
PLUG
US$ 5.22
0941900
PLUG
US$ 15.63
0941900
PLUG
US$ 15.63
0947235
CAP
US$ 1.94
View all 443 Electrical System parts →

320D2 Engine Block (236 parts)

0874970
SLEEVE
US$ 1.55
0875764
SLEEVE
US$ 58.17
0875764
SLEEVE
US$ 58.17
0875802
LINK
US$ 504.23
0875803
LINK A
US$ 679.97
0969505
SLEEVE
US$ 9.52
0969505
SLEEVE
US$ 9.52
1086278
CAMSHAFT A
US$ 2,655.31
1086278
CAMSHAFT A
US$ 2,655.31
10R2602
CYL HEAD G
US$ 3,399.21
1161665
LINER
US$ 9.34
1277826
LINER
US$ 4.53
1326881
LINER
US$ 177.90
1326881
LINER
US$ 177.90
1352349
SLEEVE
US$ 30.51
View all 236 Engine Block parts →

320D2 Seal (188 parts)

0335853
O RING
US$ 2.85
0336036
O-RING
US$ 5.24
0336036
O-RING
US$ 5.24
0336038
O-RING
US$ 5.89
0856449
PACKING
US$ 2.58
0856449
PACKING
US$ 2.58
0931342
O-RING
US$ 5.60
0931342
O-RING
US$ 5.60
0931344
O-RING
US$ 7.34
0931344
O-RING
US$ 7.34
0931345
O-RING
US$ 7.83
0931476
PACKING,RO
US$ 21.08
0949672
O-RING BRE
US$ 1.02
0949672
O-RING BRE
US$ 1.02
0949980
PACKING
US$ 4.13
View all 188 Seal parts →

320D2 Spring (188 parts)

0856447
RETAINER
US$ 24.76
0856447
RETAINER
US$ 24.76
0874707
SPRING
US$ 19.90
0875166
SPRING
US$ 6.18
0875166
SPRING
US$ 6.18
0930543
RETAINER
US$ 54.88
0952490
SPRING
US$ 1.28
0952490
SPRING
US$ 1.28
0956639
SPRING
US$ 5.29
0956639
SPRING
US$ 5.29
0957380
SPRING 9
US$ 3.57
0957380
SPRING 9
US$ 3.57
0961598
SPRING
US$ 3.55
0963978
SPRING
US$ 4.58
0963978
SPRING
US$ 4.58
View all 188 Spring parts →

320D2 Wiring Harness (163 parts)

0857329
SPACER
US$ 9.45
0857329
SPACER
US$ 9.45
0919035
SPACER
US$ 13.48
0993645
CABLE
US$ 3.13
0993645
CABLE
US$ 3.13
1114829
WIRE AS
US$ 6.61
1138490
FUSE
US$ 0.81
1138490
FUSE
US$ 0.81
1160080
CABLE AS
US$ 41.64
1160227
HARNESS A
US$ 19.22
1400923
HARNESS AS
US$ 14.78
1453850
HARNESS AS
US$ 588.81
1453850
HARNESS AS
US$ 588.81
1566554
CABLE A
US$ 257.74
1566554
CABLE A
US$ 257.74
View all 163 Wiring Harness parts →

320D2 Hydraulic System (150 parts)

0857356
FITTING
US$ 22.55
0857356
FITTING
US$ 22.55
1039679
GEAR PUMP
Contact for price
1087516
FITTING
US$ 15.27
1087516
FITTING
US$ 15.27
1163601
VALVE GP - PILOT RELIEF ..........................................................
Contact for price
1211809
PLATE
US$ 133.03
1211809
PLATE
US$ 133.03
1241212
FITTING
US$ 208.75
1241212
FITTING
US$ 208.75
1252956
COOLER GP - ENGINE OIL.........................................................
Contact for price
1254766
CONNECTOR
US$ 1.21
1288950
CONNECTOR
US$ 27.91
1317501
ADAPTER AS
US$ 34.90
1317501
ADAPTER AS
US$ 34.90
View all 150 Hydraulic System parts →

320D2 Pin/Bushing (142 parts)

0857083
PIN
US$ 6.81
0857083
PIN
US$ 6.81
0859513
PIN
US$ 1.42
0859513
PIN
US$ 1.42
0860523
PIN
US$ 291.93
0860523
PIN
US$ 291.93
0875805
PIN
US$ 539.68
0875805
PIN
US$ 539.68
0875806
PIN
US$ 352.93
0875845
PIN
US$ 468.12
0875974
PIN
US$ 4.92
0950843
PIN,SPLIT
US$ 0.06
0950843
PIN,SPLIT
US$ 0.06
0950879
PIN,SPRING
US$ 4.12
0950882
PIN,SPRING
US$ 0.82
View all 142 Pin/Bushing parts →

320D2 Piston Assembly (105 parts)

0874757
PISTON
US$ 27.60
0874757
PISTON
US$ 27.60
0947134
PIN,PISTON
US$ 10.78
0947134
PIN,PISTON
US$ 10.78
0961055
RING BACKU
US$ 16.89
0961055
RING BACKU
US$ 16.89
0963964
RING BACKU
US$ 16.61
0963964
RING BACKU
US$ 16.61
0964378
RING BACKU
US$ 24.09
0964378
RING BACKU
US$ 24.09
0969503
PINION
US$ 6.53
0969503
PINION
US$ 6.53
0995575
RING BACKU
US$ 48.43
1032857
RING SET
US$ 54.64
1052582
PISTON
US$ 442.78
View all 105 Piston Assembly parts →

320D2 Valve Assembly (104 parts)

0874742
VALVE
US$ 22.46
0874742
VALVE
US$ 22.46
1076371
VALVE
US$ 54.44
1076371
VALVE
US$ 54.44
1195365
VALVE
US$ 56.74
1195365
VALVE
US$ 56.74
1252927
VALVE
US$ 50.87
1318901
VALVE
US$ 54.44
1352351
INSERT
US$ 83.21
1352351
INSERT
US$ 83.21
1397814
VALVE
US$ 27.82
1400674
VALVE
US$ 430.06
1535286
VALVE
US$ 54.94
1535286
VALVE
US$ 54.94
1535292
VALVE
US$ 59.14
View all 104 Valve Assembly parts →

320D2 Hydraulic Valve (100 parts)

0952489
VALVE,CHEC
US$ 2.86
0952489
VALVE,CHEC
US$ 2.86
0952927
VALVE,FILL
US$ 19.61
0952927
VALVE,FILL
US$ 19.61
1077516
VALVE GP-B
US$ 17,712.37
1092667
VALVE GP
US$ 82.76
1092667
VALVE GP
US$ 82.76
1129717
VALVE-VACU
US$ 10.19
1163526
VALVE GP
US$ 313.68
1163600
VALVE G
US$ 209.94
1234750
VALVE-CHK
US$ 97.91
1298030
VALVE GP
US$ 528.07
1298030
VALVE GP
US$ 528.07
1298031
VALVE GP
US$ 84.49
1298031
VALVE GP
US$ 84.49
View all 100 Hydraulic Valve parts →

320D2 Switch/Relay (97 parts)

0942080
RELAY,SAFE
US$ 143.83
0942080
RELAY,SAFE
US$ 143.83
1051321
VALVE G
US$ 98.55
1051321
VALVE G
US$ 98.55
1060107
SWITCH AS
US$ 212.35
1060107
SWITCH AS
US$ 212.35
1060179
SWITCH AS
US$ 77.69
1095152
VALVE G
US$ 108.76
1095152
VALVE G
US$ 108.76
1160114
SWITCH AS
US$ 78.17
1160114
SWITCH AS
US$ 78.17
1176306
SWITCH
US$ 8.42
1176306
SWITCH
US$ 8.42
1232430
VALVE G
US$ 159.62
1232430
VALVE G
US$ 159.62
View all 97 Switch/Relay parts →

320D2 Light/Lamp (81 parts)

0931290
CLAMP,SING
US$ 27.76
0931291
CLAMP,SING
US$ 35.09
0931291
CLAMP,SING
US$ 35.09
0931294
CLAMP,DOUB
US$ 29.29
0931294
CLAMP,DOUB
US$ 29.29
0947583
CLAMP ASSY
US$ 43.41
0947583
CLAMP ASSY
US$ 43.41
0949581
CLAMP
US$ 2.93
0949581
CLAMP
US$ 2.93
0949596
CLAMP
US$ 2.43
0949596
CLAMP
US$ 2.43
0949597
CLAMP
US$ 2.43
0949597
CLAMP
US$ 2.43
0951386
CLAMP
US$ 1.56
0951386
CLAMP
US$ 1.56
View all 81 Light/Lamp parts →

320D2 Filter System (61 parts)

1141398
GAGE
US$ 44.58
1141398
GAGE
US$ 44.58
1318903
ELEMENT A
US$ 31.96
1318903
ELEMENT A
US$ 31.96
1352402
GAGE
US$ 50.49
1352402
GAGE
US$ 50.49
1355787
ELEMENT A
US$ 42.79
1355788
ELEMENT A
US$ 54.41
1566473
GLASS-LOWE
US$ 180.67
1566473
GLASS-LOWE
US$ 180.67
1588987
FILTER GP-
US$ 287.98
1588987
FILTER GP-
US$ 287.98
1589005
FILTER G
US$ 2,000.08
1601993
GAGE
US$ 58.57
1733434
FILTER GP
US$ 3,450.63
View all 61 Filter System parts →

320D2 Drive Shaft (61 parts)

0941509
SHAFT,PLAN
US$ 74.44
0941509
SHAFT,PLAN
US$ 74.44
0996145
CAM SHAFT
US$ 30.66
0996145
CAM SHAFT
US$ 30.66
1163522
DRIVE-SCRE
US$ 2.04
1163522
DRIVE-SCRE
US$ 2.04
1189864
SHAFT
US$ 39.33
1244009
SHAFT
US$ 9.23
1244009
SHAFT
US$ 9.23
1275938
SHAFT A
US$ 489.65
1275939
SHAFT A
US$ 427.42
1275939
SHAFT A
US$ 427.42
1484634
SHAFT-PLAN
US$ 101.10
1484634
SHAFT-PLAN
US$ 101.10
1484644
DRIVE GP
US$ 14,731.70
View all 61 Drive Shaft parts →

320D2 Cooling System (59 parts)

0944696
PLUG
US$ 0.36
0944696
PLUG
US$ 0.36
1189863
PULLEY
US$ 180.36
1189863
PULLEY
US$ 180.36
1189867
PULLEY A
US$ 322.28
1786637
PULLEY
US$ 182.79
1838100
CORE AS-RA
US$ 2,211.26
1838101
CORE AS-O
US$ 1,622.89
1838206
PULLEY
US$ 208.85
1838236
PULLEY AS
US$ 215.16
1838238
PULLEY
US$ 99.93
1892216
BELT
US$ 44.53
1892216
BELT
US$ 44.53
1968184
CORE AS-O
US$ 1,622.89
2014436
BELT GP-SE
US$ 133.27
View all 59 Cooling System parts →

FAQ

Are these genuine Caterpillar 320D2 parts?
We supply both genuine CAT parts (New Genuine / Cat Reman / Cat Classic) and OEM-equivalent direct replacements. All parts are fitment-verified for the 320D2 before dispatch and warranty confirmed in the quotation.

How do I confirm the part number for my 320D2?
Match the part number on your old part, or send us your machine serial number — WSTPARTS verifies fitment free of charge.

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