
Caterpillar 318B Excavator Parts
New Aftermarket, Used and Rebuilt 318B Parts
Looking for Caterpillar 318B Excavator parts? You've come to the right place. We sell a wide range of new aftermarket, used and rebuilt 318B replacement parts to get your machine back up and running quickly. Give us a call, submit an online quote request or select a category below to browse/select a part.
Our friendly parts specialist are standing by to assist you.
1-800-255-6253
Showing All Parts (210) for Caterpillar 318B Excavator

28" Tg Shoe
- Part #: 126-5063
- Fits Machine(s): 315B, 315, 315C, 315DL, 315L, 315BL, 315CL, 317, 317N, 317BLN, 317BL, 318BL, 318B, 318BN, 318C, 319DLN, 319DL, 320D, 320B, 320BN, 320C, 320DL, 320L, 320BL, 320CL, 321DL, 321C, 321CL, 321D, 322N, 322, 322B, 322C, 322BL, 322L, 322LN, 322BLN, 322CL, 323DL, 323D, 324DL, 324D, E320
- Category(s): Undercarriages

318bl Main Pump & Pilot Pump
- Part #: 1659268
- Fits Machine(s): 318BL, 318B
- Category(s): Hydraulic Pumps

36" Tg Shoe
- Part #: 9W9352
- Fits Machine(s): 315B, 315, 315C, 315DL, 315L, 315BL, 315CL, 317, 317N, 317BLN, 317BL, 318BL, 318B, 318BN, 318C, 319DLN, 319DL, 320D, 320B, 320BN, 320C, 320DL, 320L, 320BL, 320CL, 321DL, 321C, 321CL, 321D, 322N, 322, 322B, 322C, 322BL, 322L, 322LN, 322BLN, 322CL, 323DL, 323D, 324DL, 324D, E320
- Category(s): Undercarriages

Ac/compressor
- Part #: 1540490
- Weight: 15.20
- Fits Machine(s): 311B, 330B, 325B, 322B, 320B, 318B, 315B, 312B

Adapter, 22 Deg
- Part #: 6I6354
- Weight: 21.10
- Fits Machine(s): 315B, 320D, 320D2 L, 320D2, 320D GC, 320E, 320D2 GC, 320D RR, 320D LRR, 320D L, 320B U, 320C L, 320C, 320B L, 320 L, 319C, 318D L, 320B, 320, 318D2 L, 318C, 318B, 316E L, 315D L, 315C, 315B FM L

Alternator
- Part #: 5I8085
- Weight: 16.00
- Fits Machine(s): 311, 320B, 320B L, 910G, 321B, 320N, 320C FM, 320C, 320B U, 315B FM L, 315, 318B, 320 L, 319C, 318C, 315C, 315B, 314C, 312C L, 312C, 312B, 312, 311C, 311B
- Category(s): Engines & Engine Parts

Arm/Crowd/Dipper Cylinder
- Part #: 147-5760
- Fits Machine(s): 318BL, 318B
- Category(s): Hydraulic Cylinders

Arm/crowd/dipper Cylinder
- Part #: 187-4299
- Fits Machine(s): 318BL, 318B
- Category(s): Hydraulic Cylinders

Armature A
- Part #: 1275950
- Weight: 2.93
- Fits Machine(s): 307, 318C, 318B, 320C FM, 320B, 319D L, 319C, 320C L, 320C, 319D LN, 319D, 318D L, 315C, 315, 314D CR, 313D, 315D L, 315B, 314D LCR, 314C, 312D L, 312D, 312C L, 312C, 311D LRR, 311C, 311B

Bearing Sleeve
- Part #: 128-9882
- Weight: 4.00
- Fits Machine(s): 315B, 330D FM, 568 FM LL, M325D L MH, W330B, M325C MH, 330B L, 330C FM, 330, 330B, 325D FM LL, 325C FM, 325B, 320N, 325D FM, 325B L, 325, 320C, 320B FM LL, 320B, 320 L, 318B

Bearing Sleeve-cylinder Gp-boom
- Part #: 4I0700
- Weight: 3.10
- Fits Machine(s): 315, 320 L, 318B, 317B LN, 317, 315C, 315B L, 315B

Bearing, Cam
- Part #: 5I7528
- Weight: 0.20
- Fits Machine(s): 311, 315D L, 320B, 320 L, 320, 319D LN, 319D L, 319D, 319C, 318D L, 318C, 318B, 314C, 312D L, 312C L, 314D LCR, 315C, 315B, 314D CR, 315, 313D, 312D, 312C, 312B, 312, 311D LRR, 311C, 311B

Bearing, Roller
- Part #: 941542
- Weight: 0.60
- Fits Machine(s): 311C, 320D L, 320D GC, 322, 321D LCR, 321C, 321B, 320N, 320D RR, 320D LRR, 320D, 320C L, 320D FM, 320C FM, 320 L, 319D L, 320B, 319D LN, 319D, 320C, 319C, 318D L, 318C, 318B, 315D L, 315C

Bearing, Sleeve
- Part #: 7Y3428
- Weight: 2.50
- Fits Machine(s): 311, 322B L, 325, 330 L, 330 FM L, 330, 325D L, 325C, 325B L, 325B, 325 LN, 325 L, 320C, 320B, 318B, 322, 322B, 322 FM L, 320B L, 320 L, 313B, 312C L, 312B L, 312B, 312, 311B

Bearing, Sleeve
- Part #: 137-2819
- Weight: 5.00
- Fits Machine(s): 315B, 330 FM L, 330 L, M325B, 385B, TK1051, M320, 330B, 330B L, 330, 325C, 325B, 325B L, 325, 322B LN, 322B, 322C, 322B L, 320C FM, 320B U, 320B FM LL, 320B, 318B, 317B LN, 315B L

Bearing, Sleeve
- Part #: 137-2919
- Weight: 3.00
- Fits Machine(s): 315B, 345B II, M315, M318, 330C L, 330B L, 330D L, 325B L, 325C L, 322B L, 321C, 320C FM, 322B LN, 322B, 321B, 320C, 320B, 318C, 318B, 315C

Boom Cylinder
- Part #: 1475755
- Weight: 260.00
- Fits Machine(s): 318BL, 318B
- Category(s): Hydraulic Cylinders

Brg Sleeve
- Part #: 964402
- Weight: 0.39
- Fits Machine(s): 318B, 320D LRR, 320E LN, 320E, 320D RR, 320E L, 320D2 L, 320D2 GC, 320D2, 320D L, 320D GC, 320D FM RR, 320D, 320C FM, 320B L, 320C L, 320C, 320D FM, 320B, 320 L, 320, 319D LN, 319D L, 318C

Brg Sleeve
- Part #: 1195214
- Weight: 2.60
- Fits Machine(s): 318B, 324D FM LL, 322C FM, 322B L, 321D LCR, 324D FM, 322C, 322B, 321C, 320D, 320C FM, 320B FM LL, 320B

Bushing Rod
- Part #: 1282958
- Weight: 0.20
- Fits Machine(s): 236B, 279C2, 287C, 289C, 906, 317B LN, 315B, 297C, 906H, 318B, 315C, 299C, 289C2, 287C2, 272C, 279C, 277C2, 268B, 277C, 267B, 262C, 257B3, 262C2, 259B3, 256C, 252B3, 252B, 246C, 236B3, 242B3

Bushing-cylinder & Seal Gp-stick
- Part #: 964430
- Weight: 0.37
- Fits Machine(s): 318B, 324D L, 328D LCR, 325D L, 324E, 326D L, 325D, 324E L, 323E L, 324D FM, 324D, 323D2 L, 323D LN, 320E LN, 320D2, 323D L, 320D2 L, 320D L, 320D FM, 320D, 319D LN, 319D L, 318C

Camshaft Bushing, Fits Engine Model: C13
- Part #: 5I7529
- Weight: 0.17
- Fits Machine(s): 311, 318C, 315D L, 320B, 320 L, 320, 319D LN, 319D L, 319D, 319C, 318D L, 318B, 315, 314C, 312D L, 312D, 315C, 315B, 314D LCR, 314D CR, 313D, 312C L, 312C, 312B, 312, 311D LRR, 311C, 311B
- Category(s): Engines & Engine Parts

Carrier 320,320
- Part #: 7Y1432
- Weight: 23.30
- Fits Machine(s): 315C, 320D RR, 320E L, 320D2 L, 320D2, 320D L, 320E, 320D2 GC, 320D LRR, 320D GC, 320C L, 320D FM, 320D, 320C, 320 L, 319D L, 320C FM, 320B, 319D LN, 319D, 319C, 318E L, 318C, 318B, 315D L, 320L

Cat Air Filter
- Part #: 4P0710
- Weight: 18.27
- Fits Machine(s): 315B, 319D L, 319D LN, 318D L, 318C, 318B, 317B LN, 315D L, 315C

Cat Cyl Seal Kit
- Part #: 1659419
- Weight: 0.65
- Fits Machine(s): 551, 541, 532, 541 2, TK751, TK732, TK752, TK741, TK722, TK711, TK721, 552 2, 552, 521B, 522B, 522, 511, 2590, 2391, 521, 318B, 2491, 2290, 1290T, 2390, 1390, 1090, 1190T
*Sample Image Shown

Cat Recoil Spring
- Part #: 7Y1606
- Weight: 108.00
- Fits Machine(s): 315B FM L, 320N, 320 L, 318B, 317B LN
*Sample Image Shown

Cat Rh Eng Door
- Part #: 135-1343
- Weight: 60.00
- Fits Machine(s): 315B, 315BL, 318B, 318BL

Cat Top Roller
- Part #: 8E5600
- Weight: 33.80
- Fits Machine(s): 315B, 315, 315C, E200B, 320E, 318B, 315BL, 315L, 315CL, 317N, 317, 317BL, 317BLN, 318BL, 318BN, 318C, 319DL, 319DLN, 320D, 320B, 320BN, 320C, 320DL HEAVY DUTY UC, 320CL, 320DL, 320L, 320BL, 321DL, 321C, 321CL, 321D, 322N, 322, 322B, 322C, 322BL, 322L, 322CL, 322LN, 322BLN, 323DL, 323D, 324D, 324DL, EL200B, E320
- Category(s): Undercarriages

Caterpillar Starter
- Part #: 134-7023
- Weight: 16.00
- Fits Machine(s): 315, 318B, 317B LN, 315C, 315B FM L, 315B

Clamp- Extension Gp-exhaust A:69mm / 5mm Width
- Part #: 4I7554
- Weight: 0.54
- Fits Machine(s): 313B, 910G, 560B, 321D LCR, 550B, 321C, 320D RR, 320D LN, 320D FM RR, 320D, 320D LRR, 320D L, 320D FM, 320 L, 318B, 317B LN, 315C, 315B

Complete Final Drive (Planetary/Travel) with Motor
- Fits Machine(s): 318B
- Category(s): Final Drives

Complete Final Drive (planetary/travel Drive) with Motor
- Part #: 114-1483
- Weight: 600.00
- Fits Machine(s): 318BL, 318B
- Category(s): Final Drives

Composite Fan- 7 Blades
- Part #: 5I7894
- Weight: 12.00
- Fits Machine(s): 311, E110B, 318B, 317B LN, 315B, 315, 315L

Electrival Horn- 24v / 114db(a)
- Part #: 7T0969
- Weight: 0.92
- Fits Machine(s): 120G, 245, 312, 24H, 320C, 320 L, 317B LN, 315B L, 312C, 320C FM, 320B, 318B, 317, 315, 312B L, 225, 235, 215, 227, 16G, 160G, 140H, 160H, 14G, 140G, 135H, 130G, 12H, 12G, 120H
*Sample Image Shown

Engine Compartment Door L/h with Latch & Hinge
- Part #: 135-1348
- Weight: 78.00
- Fits Machine(s): 315B, 315BL, 318B, 318BL
- Category(s): Engines & Engine Parts

Filter Element As-air
- Part #: 4P0711
- Weight: 11.10
- Fits Machine(s): 315B, 319D L, 319D LN, 318D L, 318C, 318B, 317B LN, 315D L, 315C

Filter Gp Oil - Hydraulic
- Part #: 1733511
- Weight: 14.10
- Fits Machine(s): 311C, 325B L, 322C FM, 345B, 330C MH, 330C L, 330C FM, 330C, 330B L, 325C, 325C FM, 320B, 318B, 322C, 322B L, 321C, 320C, 318C, 317B LN, 320C FM, 315C, 315B L, 314C, 312C L, 312C, 312B L

Filter, Hyd
- Part #: 179-9806
- Weight: 5.40
- Fits Machine(s): 2384C, 320C FM, 320C, 320D, 320D GC, 320D FM, 320D L, 320D FM RR, 320C L, 320B, 319C, 315C, 318C, 318B, 314E CR, 314D CR, 314E LCR, 314D LCR, 314C, 312C L, 312C, 311F LRR, 311D LRR, 2484C, 311C

Final Drive (Planetary/Travel) without Motor
- Fits Machine(s): 318B
- Category(s): Final Drives

Final Drive (planetary/travel Drive) without Motor
- Fits Machine(s): 318B, 318BL
- Category(s): Final Drives

Gauge, Trans
- Part #: 199-7952
- Weight: 0.50
- Fits Machine(s): 120G, 311B, 311, 312, 311C, 318B, 3176C, 317, 315B L, 314C, 312B L, 3126, 317B LN, 3176B, 315C, 315, 312C L, 3126B, 308C, 307B, 307C, 306, 305, 303, 307, 305.5, 304, 16G, 160G, 14G, 140G, 130G, 12G

Hydraulic Oil Cooler
- Part #: 164-3599
- Weight: 150.00
- Fits Machine(s): 318BL, 318B
- Category(s): Engines & Engine Parts

Kit, Hour Meter
- Part #: 9W1494
- Weight: 0.50
- Fits Machine(s): 120G, 311C, 312, 318B, 3176C, 317, 315B L, 314C, 312B L, 3126, 311B, 317B LN, 3176B, 315C, 315, 312C L, 3126B, 311, 307C, 307B, 308C, 306, 305, 303, 307, 305.5, 304, 16G, 160G, 14G, 140G, 130G, 12G

Link Track Lh
- Part #: 9W3138
- Weight: 8.80
- Fits Machine(s): 315B, 321C, 320B, 318B, 317B
- Category(s): Undercarriages

Link Track Rh
- Part #: 9W3137
- Weight: 9.00
- Fits Machine(s): 315B, 321C, 320B, 318B, 317B
- Category(s): Undercarriages

Magnetic Switch Assembly
- Part #: 9X8124
- Weight: 0.40
- Fits Machine(s): 311, 320B, 320B L, 325 L, 325, 322 FM L, 322, 321B, 320N, 320C FM, 320C, 3208, 320B FM LL, 315C, 315B, 314C, 320 L, 318B, 319C, 318C, 315B FM L, 315, 313B, 312C L, 312C, 312B, 3126B, 311B

Main Hydraulic Pump
- Part #: 10R-7699
- Weight: 180.00
- Fits Machine(s): 318BL, 318BN, 318B
- Category(s): Hydraulic Pumps

Master Link
- Part #: 8e8586
- Weight: 8.50
- Fits Machine(s): 315B, 321C, 320B, 318B, 317B
- Category(s): Undercarriages

Motor Gp-p
- Part #: 2344630
- Weight: 156.00
- Fits Machine(s): 318B, 323D L, 325C F, 325B L, 325C, 324E LN, 323E L, 322C FM, 321D LCR, 320E LRR, 322C, 322B L, 320E L, 320D FM, 320C FM, 320E LN, 320D LRR, 320D, 320C, 319D LN, 319D L, 318E L, 318C
- Category(s): Final Drives

Needle Brg
- Part #: 964003
- Weight: 0.60
- Fits Machine(s): 311C, 320B L, 320C L, 320C, 320, 320D GC, 320D FM RR, 320D FM, 320D, 320C FM, 320 L, 320B FM LL, 319C, 318D2 L, 320B, 319D L, 319D, 318E L, 318D L, 318C, 318B, 316E L, 315D L, 315C, 313D2 LGP

Pin Track 315
- Part #: 6Y8186
- Weight: 3.90
- Fits Machine(s): 315B, 321C, 320B, 318B, 317B
- Category(s): Undercarriages
*Sample Image Shown

Piston Assy
- Part #: 115-6428
- Weight: 24.60
- Fits Machine(s): 315B FM L, 320B, 318B, 317B LN

Plate Thrust 0.15mm Os
- Part #: 1039289
- Weight: 0.10
- Fits Machine(s): 236B, 315B, 3044C, 297C, 318B, 315C, 315, 299C, 289C2, 289C, 279C2, 287C2, 268B, 277C, 279C, 277C2, 272C, 262C2, 259B3, 267B, 262C, 257B3, 252B3, 246C, 256C, 252B, 236B3, 242B3, 317B LN, 287C, 906

Pump Gp-gear
- Part #: 4I1023
- Weight: 4.00
- Fits Machine(s): 311, 318B, 317, 315B FM L, 320 L, 317B LN, 315B L, 315B, 315, 312B L, 312B, 312, 311B, 317B, 320
- Category(s): Hydraulic Pumps

Receiver A
- Part #: 1133497
- Weight: 1.60
- Fits Machine(s): 311B, 375, 350, 365B L, 330B, 322B, 365B, 345B L, 345B II, 325B, 320B U, 320B FM LL, 320B, 318B, 315B FM L, 315B, 312B
*Sample Image Shown

Recoil Spring,
- Part #: 115-6427
- Weight: 95.00
- Fits Machine(s): 318B, 320B L, 320B

Seat Valve
- Part #: 103-9253
- Weight: 0.10
- Fits Machine(s): 236B, 279C2, 287C, 289C, 906, 317B LN, 315B, 299C, 289C2, 318B, 315C, 315, 297C, 287C2, 277C, 279C, 277C2, 272C, 268B, 267B, 262C2, 259B3, 262C, 257B3, 246C, 256C, 252B3, 252B, 236B3, 242B3

Seat-valve In
- Part #: 1039252
- Weight: 0.10
- Fits Machine(s): 236B3, 287C, 318B, 315C, 315, 297C, 906, 317B LN, 315B, 299C, 289C2, 289C, 279C2, 287C2, 272C, 279C, 268B, 277C2, 277C, 267B, 262C, 257B3, 262C2, 259B3, 256C, 252B3, 252B, 246C, 242B3, 236B

Sender, Temp
- Part #: 297-9314
- Weight: 0.05
- Fits Machine(s): 311C, 320D LRR, 320C L, 320C, 323D L, 321C, 320D, 320C FM, 319C, 318C, 318B, 312C L, 312C

Sensor, Magneti
- Part #: 1252966
- Weight: 0.25
- Fits Machine(s): 311B, 320B L, 320B, 318B, 317B LN, 315B

Sprocket 315
- Part #: 102-8134
- Weight: 110.00
- Fits Machine(s): 315B, 315, 315B L, 315BL, 315L, 317BLN, 317BL, 318B, 318BL, 318BN
- Category(s): Undercarriages

Swing Bearing / Turntable / Slewing Ring
- Part #: 148-4568
- Weight: 493.00
- Fits Machine(s): 318BL, 318B
- Category(s): Swing Machinery

Swing Drive without Motor
- Part #: 148-4728
- Fits Machine(s): 318BL, 318B
- Category(s): Swing Machinery

Switch As Pressure
- Part #: 1300270
- Weight: 0.10
- Fits Machine(s): 307D, 315D L, 315C, 318C, 319D LN, 319D L, 319D, 319C, 318D L, 318B, 312D2 GC, 312D L, 313D2, 314E LCR, 314E CR, 313D, 313D2 LGP, 312D2 L, 312D2, 312D, 312C L, 312C, 312B, 311F LRR, 311D LRR, 311B

Switch As-roller
- Part #: 1296466
- Weight: 0.25
- Fits Machine(s): 12G, 320D, 320C L, 320D L, 320D2 L, 320D RR, 322B LN, 320D2, 320D LRR, 319D L, 320C FM, 320C, 320B, 318C, 318B, 315D L, 315B L, 317B LN, 315C, 312D L, 312C L, 312D, 312B L, 231D, 311D LRR

Switch Assy
- Part #: 165-4026
- Weight: 2.20
- Fits Machine(s): 311B, 321B, 320C, 320C FM, 325C, 325B L, 325B, 322C FM, 322C, 322B LN, 322B, 322, 318C, 317, 315B L, 315B, 320B FM LL, 320B, 318B, 315C, 315B FM L, 315, 312C L, 312C, 312B L, 312B, 312

Switch Gp,rotry
- Part #: 106-0107
- Weight: 0.25
- Fits Machine(s): 307D, 315D L, 315C, 320B L, 320B FM LL, 320B, 319D, 319C, 318C, 318B, 312D L, 312C L, 312B L, 315B, 315B L, 315B FM L, 314D LCR, 312D, 312C, 314C, 312B, 311D LRR, 311C, 311B, 308E2 CR, 308D

Switch, Ign
- Part #: 7Y3918
- Weight: 0.80
- Fits Machine(s): 307, 321C, 320, 325C, 318B, 317, 315, 313B, 320 L, 315B L, 314C, 312B L, 312, 311C, 311, 308C, 307C, 307B

Thrust Plate
- Part #: 103-9288
- Weight: 0.10
- Fits Machine(s): 236B3, 287C, 906, 317B LN, 315B, 3044C, 297C, 318B, 315C, 315, 299C, 289C2, 289C, 279C2, 287C2, 268B, 277C, 279C, 277C2, 272C, 267B, 262C, 257B3, 262C2, 259B3, 252B3, 246C, 256C, 252B, 242B3, 236B

Tla S&g 320
- Part #: 194-1609
- Weight: 1130.00
- Fits Machine(s): 315B, 321C, 320B, 318B, 317B

Top Roller
- Part #: CR5592
- Weight: 33.80
- Fits Machine(s): 315, 315C, 315B, 315BL, 315L, 315CL, 317, 317N, 317BL, 317BLN, 318BL, 318BN, 318B, 318C, 319DL, 319DLN, 320B, 320C, 320BN, 320D, 320DL HEAVY DUTY UC, 320CL, 320DL, 320E L, 320BL, 320L, 321D, 321CL, 321C, 321DL, 322, 322N, 322C, 322B, 322BL, 322LN, 322BLN, 322CL, 322L, 323D, 323DL, 324DL, 324D, E200B, EL200B, E320
- Category(s): Undercarriages
*Sample Image Shown

Track Adj Cyl
- Part #: 115-6429
- Weight: 28.50
- Fits Machine(s): 318B, 320B
- Category(s): Undercarriages

Track Adjuster
- Part #: 115-6422
- Weight: 230.00
- Fits Machine(s): 318B, 320B U, 320B L, 320B
- Category(s): Undercarriages

Track Adjuster
- Part #: 115-6423
- Weight: 230.00
- Fits Machine(s): 318B, 320B U, 320B L, 320B
- Category(s): Undercarriages
*Sample Image Shown

Track Adjuster
- Part #: 115-6424
- Weight: 229.00
- Fits Machine(s): 318B, 320B U, 320B L, 320B
- Category(s): Undercarriages

Track Adjuster
- Part #: 115-6425
- Weight: 61.00
- Fits Machine(s): 318B, 320B U, 320B L, 320B
- Category(s): Undercarriages
Don't see your machine or part?

Don't see what you're looking for?
New aftermarket, used and rebuilt options!
Need a little extra help? Give one of our friendly, knowledgeable parts experts a call and we'll have your machine back up and running in no time.
Call a Parts Expert!