
Caterpillar 966K Wheel Loader Parts
New Aftermarket, Used and Rebuilt 966K Parts
Looking for Caterpillar 966K Wheel Loader parts? You've come to the right place. We sell a wide range of new aftermarket, used and rebuilt 966K 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 (176) for Caterpillar 966K Wheel Loader

A/c Accumulator
- Part #: 3200564
- Weight: 4.10
- Fits Machine(s): 621K, D10T2, D6T LGP, D9T, D11T, D8T, D6T XL, 980K HLG, 966K, 980K, 972K, 962K, 950K, 772G, 770G, 627K LRC, 627K, 627H, 623K LRC, 623K, 623H, 621H

Air Filter
- Part #: 290-2287
- Fits Machine(s): 825K, 982M, 988K, 980K HLG, 980M, 966M XE, 966K, 950K, 980K, 972M XE, 972M, 972K, 966M, 962K, 950 GC, 836K, 834K, 826K, 824K

Alarm As-b
- Part #: 2200229
- Weight: 2.60
- Fits Machine(s): 1090, 541, 966K, 963C, 953D, 950K, 572R II, 552, 966M, 963D, 962K, 953C, 938H, 552 2, 541 2, 532, 551, 522B, 521B, 522, 521, 308D, 2590, 2391, 511, 307D, 2491, 2290, 1290T, 2390, 1390, 1190T

Base Edge 980g
- Part #: 111-9770
- Weight: 719.70
- Fits Machine(s): 950H, 980H, 980M, 980F II, 980C, 972K, 980K, 980G II, 980G, 980F, 972M, 972H, 966K, 966M, 966H, 962H

Bearing As - Needle Bearing
- Part #: 1912570
- Weight: 0.60
- Fits Machine(s): 320C, 329D, 329D L, 966K, 325D L, 325C FM, 325D MH, 325C, 325D, 324D L, 323D SA, 322C FM, 324D LN, 324D, 323D LN, 322C, 320D FM RR, 320D FM, 320C FM, 320D

Bearing Needle
- Part #: 2637474
- Weight: 0.65
- Fits Machine(s): 324E, M325D L MH, M325D MH, IT62H, 972H, 972K, IT38H, 966K, 966H, 950K, 950H, 329E LN, 329E, 962K, 962H, 938H, 329E L, 329D LN, 329D L, 325D L, 325D, 324E L, 324E LN

Bearing Needle
- Part #: 5P3131
- Weight: 0.10
- Fits Machine(s): 517, CX28, 966M, 966H, 962K, 962G II, 960F, 966R, 966K, 966C, 962H, 962G, 950G, 950G II, 950K, 950H, 950F, 936F, 950F II, 936, 931C II, 931B, 933, 931C, 950B/950E, 950B, 926, 910, 561M, 916, 561N, 527

Bearing Sleeve
- Part #: 129-4536
- Weight: 0.20
- Fits Machine(s): 730C, CX35-C18, CX35, CX31-C9I, CX31, 972K, 970F, 972H, 972G II, 966G II, 966F II, 816F II, 966K, 972G, 966H, 966G, 938H, 816F, 815F II, 815F, 814F II, 814F

Bearing Sleeve
- Part #: 2274342
- Weight: 5.10
- Fits Machine(s): 950G II, 972H, 972K, 966H, 962G II, 966K, 962H, 950H

Bearing, Sleeve
- Part #: 4V1901
- Weight: 1.97
- Fits Machine(s): 535D, 972M XE, 972M, 972K, 972H, 972G II, 972G, 966M XE, 966M, 966K, 826K, 966G, 966G II, 966H, 826G II, 826H, 825G II, 824K, 824G II, 825H, 825G, 824H, 825K, 826G, 826C, 824C, 545D, 824G, 555D, 525D, 980K

Bearing-axle Gp-front
- Part #: 8J5778
- Weight: 1.08
- Fits Machine(s): 16G, 977L, 972K, 966M, 966G, 977K, 972G, 966K, 962K, 950K, 16M, 16H, 16H NA

Bearing-bucket As-side Dump
- Part #: 6W8583
- Weight: 2.16
- Fits Machine(s): 966G, 972K, 966M, 972G, 966K

Bearing-con Rod Std
- Part #: 2697290
- Weight: 0.50
- Fits Machine(s): 12M 2, 586C, 627K, 568 FM LL, 725C, 627H, 966K, 627K LRC, 336E L, 336F L, 336E HVG, 336E LH, 336E, 160M 3 AWD, 336E H, 2864C, 160M 3, 140M 3 AWD, 140M 2, 160M 2, 140M 3, 12M 3, 12M 3 AWD

Bearing-cup
- Part #: 1B3934
- Weight: 3.80
- Fits Machine(s): 814B, 972M XE, 972K, 972G II, 972M, 972H, 972G, 966K, 966M, 966M XE, 970F, 966H, 966G II, 826K, 824K, 816F, 966F, 966G, 966F II, 966D, 825K, 816F II, 815F II, 815F, 815B, 814F II, 814F

Bearing-sleeve
- Part #: 1294296
- Weight: 2.50
- Fits Machine(s): 966G, 972K, IT38G II, 972H, 972G, 966H, 972G II, 966K, 966G II

Bolt, Plow
- Part #: 4F7827
- Weight: 0.30
- Fits Machine(s): 966G, 972M XE, 972K, 972G II, 980K, 972M, 972H, 972G, 966M, 966H, 966M XE, 966K, 966G II

Breaker As
- Part #: 1712206
- Weight: 0.20
- Fits Machine(s): 2390, 541 2, 551, 966M, 966H, 950H, 637G, 627G, 966M X, 966K, 962H, 657G, 637E, 552 2, 541, 552, 532, 522B, 521B, 522, 521, 318E L, 314E LCR, 511, 316E L, 314E CR, 312E L, 312E, 2590, 2491, 2391, 2290

Bucket Tooth Adapter
- Part #: 1U1354
- Weight: 35.00
- Fits Machine(s): 245, 973C, 972G, 973, 972H, 972G II, 966K, 966G II, 966F II, 970F, 966H, 966G, 966F, 966D, 963C, 963B, 245D

Carrier, Planet
- Part #: 9W0517
- Weight: 12.00
- Fits Machine(s): 517, R1300G, R1300, IT62G II, D6M, IT62H, IT62G, D5HTSK II, 966M, 966K, D5H, D5H XL, 966H, 966C, 962G, 950K, 950G II, 960F, 950H, 950G, 962G II, 962K, 962H, 950F II, 950B/950E, 950F, 950B, 527

Carrier, Planet
- Part #: 129-4300
- Weight: 101.20
- Fits Machine(s): 966G, 972K, IT38G II, 972H, 972G, 966H, 972G II, 966K, 966G II

Cone (ntn)
- Part #: 6K5529
- Weight: 6.70
- Fits Machine(s): 824G, 980H, AD30, 986H, 980M, 980K, 980G II, 992, 982M, 980K HLG, 972H, 972G II, 980G, 972K, 972G, 966K, 966G, 826K, 826G II, 825K, 966H, 966G II, 826H, 826G, 825H, 825G II, 825G, 824K, 824H, 824G II

Core As-oi
- Part #: 3495934
- Weight: 83.20
- Fits Machine(s): 950K, 980C, 972M, 972H, 972M XE, 972K, 966M XE, 966M, 966H, 966K, 966F II, 962K

Core As-oil Cooler
- Part #: 1873523
- Weight: 54.20
- Fits Machine(s): 345D L, 966H, 966K, D6, D6T LGP, D6T, D6R STD, D6R III, D6R II, D6R, C9.3, 972G II, 972H, 972K, 966G II, 816F II, 815F II, 814F II, 824K, 816F, 815F, 814F, 826K, 825K, 740B, 735B, 627K LRC, 627K, 627H

Cylinder Gp-bucket
- Part #: 3704117
- Weight: 0.60
- Fits Machine(s): 950H, 972M, 972H, 972K, 966M, 966K, 962K, 966H, 962H, 950K

Cylinder Gp-lift-lh
- Part #: 2424275
- Weight: 561.00
- Fits Machine(s): 966H, 972M, 972M XE, 972K, 966M XE, 972H, 966M, 966K
- Category(s): Hydraulic Cylinders

Cylinder Gp-tilt
- Part #: 3562219
- Weight: 554.80
- Fits Machine(s): 966H, 966K
- Category(s): Hydraulic Cylinders

Disc Kit, Thin
- Part #: 135-7494
- Weight: 6.30
- Fits Machine(s): 966F, 972K, 972G II, 970F, IT38G II, 972H, 972G, 966K, 966G II, 966H, 966G, 966F II

Disc-friction
- Part #: 2200189
- Weight: 6.70
- Fits Machine(s): 966G, IT38G II, 972H, 972K, 972G, 966H, 972G II, 966K, 966G II

Dryer Assembly,
- Part #: 320-0563
- Weight: 2.67
- Fits Machine(s): 621K, D6T XL, D11T, D9T, D6T LGP, 994H, 980K HLG, 990K, 992K, 993K, 962K, 980K, 972K, 950K, 966K, 854K, 844K, 740B, 735B, 627K LRC, 627K, 627H, 623K LRC, 623K, 623H, 621H

Edge Segment
- Part #: 135-9294
- Weight: 60.30
- Fits Machine(s): 966G, 972K, 972G II, 972M XE, 972H, 966M XE, 966H, 972G, 966K, 966G II

Edge Segment Lh
- Part #: 135-9296
- Weight: 69.00
- Fits Machine(s): 966G, 972M XE, 972H, 972K, 972G II, 966M XE, 966H, 972G, 966K, 966G II

Edge Segment Rh
- Part #: 135-9295
- Weight: 69.00
- Fits Machine(s): 966G, 972M XE, 972K, 972G II, 972H, 966M XE, 966H, 972G, 966K, 966G II

Edge, Segment
- Part #: 100-6666
- Weight: 47.00
- Fits Machine(s): 966G, 973D, 972M XE, 972M, 972H, 972G, 972K, 972G II, 970F, 966M, 966H, 966M XE, 966K, 966G II

Edge-seg Center
- Part #: 1359544
- Weight: 76.80
- Fits Machine(s): 374F L, 972M XE, 972K, 972G II, 966M XE, 972M, 972H, 972G, 966K, 966H, 966G II, 966G, 374D L

Element - Cab - Fresh
- Part #: 2902288
- Weight: 0.90
- Fits Machine(s): 950 GC, 980K, 972M, 982M, 980M, 980K HLG, 972M XE, 972K, 966M, 962K, 966M XE, 966K, 950K

Filter, Hyd
- Part #: 139-1537
- Weight: 2.40
- Fits Machine(s): 527, D6N, D5R LGP, D11T, D10T, D6N LGP, D6M, D5N, D10T2, D10R, C9, 993K, 950K, 972K, 980K, 730, 627K LRC, 623K LRC, 735, 725, 627K, 966K, 962K, 623K, 583R, 621K, 578, 5230B

Filter-cab
- Part #: 3483432
- Weight: 4.17
- Fits Machine(s): 950K, 980M, 972M XE, 982M, 980K, 972M, 972K, 966M, 966M XE, 966K, 962K

Gasket-cov
- Part #: 2780644
- Weight: 0.10
- Fits Machine(s): 8 FT, 972K, 966K, 962K, 950K, 972H, 966H, 962H, 950H, 938H, 938G II, 8-16B

Gear-bevel
- Part #: 1292341
- Weight: 11.30
- Fits Machine(s): 545, 972M, 972H, 972G, 966M, 972G II, 966M XE, 972K, 966K, 966G II, 966H, 966G, 545C

Half Arrow, Lh
- Part #: 135-9546
- Weight: 87.08
- Fits Machine(s): 374F L, 972M XE, 972K, 972G II, 966M XE, 972M, 972H, 972G, 966K, 966H, 966G II, 966G, 374D L

Half Arrow, Rh
- Part #: 135-9545
- Weight: 87.08
- Fits Machine(s): 374F L, 972K, 972G II, 966M XE, 972M, 972H, 972G, 972M XE, 966K, 966H, 966G II, 966G, 374D L

Inner Spring Valve, Fits Engine Model: C9.3
- Part #: 3495303
- Weight: 0.07
- Fits Machine(s): 12M 3, 586C, 627K, 568 FM LL, 966K, 627K LRC, 627H, 725C, 336E L, 336F L, 336E HVG, 336E LH, 336E H, 2864C, 160M 3, 336E, 160M 3 AWD, 160M 2, 140M 3, 140M 3 AWD, 140M 2, 12M 3 AWD, 12M 2
- Category(s): Engines & Engine Parts

Linear Actuator Part Rod End
- Part #: 3082071
- Weight: 0.40
- Fits Machine(s): 938G II, IT38G II, 972H, 966H, IT62H, IT38H, 972K, 966K, 962K, 962H, 950K, 950H, 938H

Motor Gp-piston
- Part #: 1618919
- Weight: 23.80
- Fits Machine(s): 824C, 972M XE, 980G II, 972H, 972G, 966K, 966G II, 980C, 972G II, 966M XE, 966H, 966G, 825H, 825G II, 824H, 824G II

Oil Pressure Sensor
- Part #: 2965270
- Weight: 0.20
- Fits Machine(s): 120M, 621K, 623K, 621H, 966K, 950K, 627K, 623K LRC, 962K, 627K LRC, 627H, 623H, 24M, 160M 3, 16M, 160M 2, 14M, 140M 3, 140M, 160M, 140M 3 AWD, 140M 2, 12M 3, 12M 3 AWD, 12M 2, 12M, 120M 2

Pressure Sensor
- Part #: 349-1178
- Fits Machine(s): 535D, CB-44B, 994H, 993K, 992K, 990K, 988K, 988H, 982M, 980M, 980K, 980H, 966M, 966M XE, 972K, 972M XE, 972M, 950K, 966K, 930K, 844K, 834K, 938K, 924K, 836K, 963D, 962K, 825K, 545D, 826K, 824K, 525D

Seal Kit - Lift
- Part #: 2959888
- Weight: 2.00
- Fits Machine(s): 966H, 972M, 972H, 972K, 966M, 966K

Sensor Gp,posit
- Part #: 266-2337
- Weight: 1.88
- Fits Machine(s): 345D L, 966M XE, 966M, 980K, 980H, 980G II, 973D, 972M XE, 972M, 972K, 972H, 972G II, 963D, 966H, 966K, 962H, 950K, 950G II, 962K, 966G II, 962G II, 950H, 938K, 938H, 930K, 924K, 374D L, 345D L VG

Sensor Gp-speed
- Part #: 1918305
- Weight: 0.15
- Fits Machine(s): 3606, 793F, 793F-XQ, C15, 972M XE, 966K, 797B, C175, AD55, 966M XE, 797F, 797, 770G, 740, 772G, 735B, 740B, 583T, 3612, 735, 730C, 730, 725C, 725, 587T, 572R II, 3608, 24M

Shoe Lining/band- Shoe As-brake
- Part #: 2839982
- Weight: 5.40
- Fits Machine(s): 966G, 972H, 972K, 972G, 966H, 972G II, 966K, 966G II

Shoe Lining/band- Shoe As-brake
- Part #: 2839983
- Weight: 5.40
- Fits Machine(s): 966G, 972H, 972K, 972G, 966H, 972G II, 966K, 966G II

Spider As-fan
- Part #: 2626813
- Weight: 44.20
- Fits Machine(s): 966H, 980M, 980H, 980C, 972M, 982M, 980K HLG, 980K, 980G, 972M XE, 972K, 966M XE, 972H, 966M, 966K

Spring-valve, Fits Engine Model: C9.3
- Part #: 3495307
- Weight: 0.13
- Fits Machine(s): 12M 2, 568 FM LL, 586C, 966K, 627K LRC, 627K, 966, 725C, 627H, 336F L, 336E L, 336E LH, 336E HVG, 336E, 160M 3 AWD, 336E H, 2864C, 160M 3, 160M 2, 140M 3 AWD, 140M 2, 140M 3, 12M 3, 12M 3 AWD
- Category(s): Engines & Engine Parts

Transmission Disc- Disc As-friction
- Part #: 8E9849
- Weight: 1.24
- Fits Machine(s): 517, IT62G II, 966K, 962G II, IT62G, 966H, 962G, 960F, 950G, 950G II, 950F II, 527
- Category(s): Transmissions

Wear Plate
- Part #: 161-8573
- Weight: 67.33
- Fits Machine(s): 966G, 972M XE, 972K, 972G II, 980K, 972M, 972H, 972G, 966M, 966H, 966M XE, 966K, 966G II
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!