
Caterpillar 966D Wheel Loader Parts
New Aftermarket, Used and Rebuilt 966D Parts
Looking for Caterpillar 966D Wheel Loader parts? You've come to the right place. We sell a wide range of new aftermarket, used and rebuilt 966D 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 (223) for Caterpillar 966D Wheel Loader

Acme Heavy Duty Convex Mirror
- Part #: 5P-6876
- Weight: 8.00
- Fits Machine(s): 814B, IT38F, IT28, IT18F, 970F, IT28F, IT24F, CS-643, 966F II, 950F II, 960F, 966C, 966D, 950F, 950B, 936, 924F, 916, 816F, 950, 938F, 928F, 918F, 816F II, 815F II, 815F, 815B, 814F II, 814F

Adapter Lh
- Part #: 1U1352
- Weight: 23.10
- Fits Machine(s): 950B, 980C, 980F, 973C, 966D, 973, 966C, 962G II, 960F, 966F II, 966F, 962H, 962G, 950H, 950G, 950F, 950G II, 950F II, 950B/950E

Adapter Rh
- Part #: 1U1351
- Weight: 23.00
- Fits Machine(s): 950B, 980C, 980F, 966F, 973C, 966C, 962G II, 960F, 973, 966D, 966F II, 962H, 962G, 950H, 950G, 950F, 950G II, 950F II, 950B/950E

Adapter, Lh
- Part #: 3G5358
- Weight: 46.00
- Fits Machine(s): 960F, 977L, 973, 970F, 973C, 972G II, 966G II, 966F, 963C, 966F II, 966D, 963B

Adapter, Rh
- Part #: 3G5359
- Weight: 45.00
- Fits Machine(s): 960F, 977L, 973, 970F, 973C, 972G II, 966G II, 966F, 963C, 966F II, 966D, 963B

Air Compressor- Cover-air Compressor
- Part #: 7N7441
- Weight: 0.47
- Fits Machine(s): 14H NA, 623E, 627E, 980C, 966F II, 966D, 826C, 814B, 621R, 980F, 972G, 966F, 966C, 815B, 627F, 623F, 621F, 611, 621E, 615C, 3406E, 3406B, 3306B, 3406C, 3306C, 3306, 3196, 16H NA, 3304, 3176C, 16G, 14G

Air Compressor- Rod As-air Compressor
- Part #: 7N7444
- Weight: 0.50
- Fits Machine(s): 14G, 966F, 966F II, D350C, D300B, C-12, 980F, D35C, D30C, D25C, C-10, 980C, 966C, 966D, 621E, 621R, 815B, 615C, 3406E, 3306B, 621, 3512, 3406B, 3306, 3176B, 3304, 16G, 3176

Bearing Needle
- Part #: 4J3044
- Weight: 0.01
- Fits Machine(s): 140, 641B, 641, 980C, 973, 963B, 951B, 941, 920, 844, 657B, 980B, 966D, 963, 950B, 930, 854G, 657E, 651E, 657, 631E, 637E, 637D, 633C, 631C, 627E, 623E, 621E, 627, 623, 621B, 621, 615, 615C, 16, 14E

Bearing Thrust Needle
- Part #: 1T1278
- Weight: 0.58
- Fits Machine(s): 527, 966F II, 966F, 980K HLG, D300E, D25D, D250E II, D250D, AD30, 980M, D300B, D25C, D250E, C9, 986H, 980K, 735, 966D, 815B, 814B, 615, 583T, 730, 725C, 725, 637G, 637E, 637D, 631E, 615C, 611, 30/30

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-pedal Gp-governor
- Part #: 3V3355
- Weight: 0.10
- Fits Machine(s): 815B, IT28, IT18F, 966D, 950B, 936, 926, G936, 980C, 936F, 926A, 918F, 916, 826C, 825C, 824C, 814B

Bolt-on Uni-tooth
- Part #: 1U1888
- Weight: 67.00
- Fits Machine(s): 960F, 973C, 977L, 973, 966F, 963C, 970F, 966D, 963B

Brake Band Lining Kit Kit-brake Lining
- Part #: 9C9843
- Weight: 2.60
- Fits Machine(s): 814F, R1700 II, 980K HLG, 980C, 980F, 980G, 980G II, 826G II, 970F, 966F II, 826G, 825G II, 824G II, 966F, 966D, 826C, 825G, 824G, 824C, 816F, 815F, 815B, 814B

Brake Group-service
- Part #: 8R1257
- Weight: 122.20
- Fits Machine(s): 966D, 966E
- Category(s): Brakes & Brake Parts

Brake System Application Drum
- Part #: 4V6040
- Weight: 52.00
- Fits Machine(s): 966D, 3306, 966E, 816B

Brg Sleeve
- Part #: 7J9682
- Weight: 0.90
- Fits Machine(s): 814B, D6N, D6K2 LGP, D6K XL, D6K, D6N LGP, D6M, D6K2, D6K LGP, D5R LGP, 970F, D5H XL, D5H, 951B, 955C, 966F II, 966F, 941, 930, 816F II, 966D, 930R, 920, 816F, 815F II, 815F, 815B, 814F II, 814F

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

Bushing-differential Gp
- Part #: 6W7353
- Weight: 0.30
- Fits Machine(s): 615, D400, D35HP, D35C, D350C, D30C, D25C, 966F, 966D, 950B, 815B, 615C

Bushing-planetary Gp-transmission
- Part #: 9G6743
- Weight: 0.15
- Fits Machine(s): 814B, D4HT, 980M, 980H, 980G, 980F, D4H, 980K, 980G II, 980F II, 972H, 972K, 980C, 972M, 972G II, 972G, 966F II, 966D, 816F II, 966G, 970F, 966G II, 966F, 939, 816F, 815F II, 815F, 815B, 814F II, 814F
- Category(s): Transmissions

Cartridge G
- Part #: 1U2667
- Weight: 14.30
- Fits Machine(s): 966D, R1600H, R1600G, 970F, R1600, 966F II, 966F
- Category(s): Hydraulic Pumps

Cartridge Kit
- Part #: 6E2387
- Weight: 21.90
- Fits Machine(s): 966D, 966F II, 966F
- Category(s): Hydraulic Pumps

Cat Air Filter
- Part #: 6N6064
- Weight: 7.40
- Fits Machine(s): 140G, D5B, D3C, PS-500, D7F, D6E SR, D5HTSK II, E240, D6H, D6D, D5E, D5H, 950B, 966F, 966D, 815B, 950F, 3306B, 3304, 3306C, 3306, 3208, 215C, 1673C, 229, 215B, 160G, 14G

Cat Crankshaft &gear
- Part #: 4N7693
- Weight: 217.00
- Fits Machine(s): 120B, 637D, 814, 627B, 814B, 639D, D250B, 977L, 973, 966C, 816, 815, 980B, 977K, 966D, 816B, 815B, 615C, 615, 572G, 571G, 561D, 528, 235B, 561C, 235C, 235, 1673C, 160G, 14G, 12G, 140G
- Category(s): Engines & Engine Parts

Cat Oil Cooler Core
- Part #: 6N9215
- Weight: 33.08
- Fits Machine(s): 3306, D35C, D30C, D25C, D7F, D350C, D300B, 966D, D6C, 639D, 637D, 621E, 3306B, 528

Caterpillar Bearing
- Part #: 5D2989
- Weight: 0.27
- Fits Machine(s): 30/30, 980G, 980F, 972M, 972H, 972G, 966F II, 966G, 980F II, 980C, 972K, 972G II, 966G II, 970F, 966D, 816F, 966F, 815F II, 816F II, 815F, 814F II, 814B, 815B, 814F, 777B, 615, 615C, 611, 578, 16

Caterpillar Cyl Head
- Part #: 7N8876
- Weight: 222.00
- Fits Machine(s): 12G, 235B, 528, 530B, 972G, 966D, 966C, 815B, 528B, 966R, 816B, 814B, 160H ES, 235, 160H, 14H NA, 143H, 160G, 14G, 140H NA, 140H ES, 140G, 140H, 12H NA, 12H ES, 12H

Caterpillar Valve
- Part #: 4V4154
- Weight: 5.14
- Fits Machine(s): 815B, IT28B, IT18B, G936, G916, RM-250C, IT28, IT18, G926, 966D, 966F, 966F II, 970F, 980C, 960F, 936F, 926A, 950B/950E, 950F II, 950F, 950B, 936, 926, 916, 826C, 825C, 824C, 816B, 814B

Control Assembly-non Locking
- Part #: 4V2157
- Weight: 0.90
- Fits Machine(s): 815B, 980C, 950B, 966D, 826C, 825C, 824C, 816B, 814B

Core A-radiator
- Part #: 1N3219
- Weight: 225.00
- Fits Machine(s): 966D
- Category(s): Radiators

Core Assy, Tran
- Part #: 127-5537
- Weight: 102.00
- Fits Machine(s): 235B, 966F II, 970F, D6H XR, D6H, C9.3, C-9, AE40, D6H XL, CX31-C9I, C9, AE40 II, AD45, 972G, 950F, 966D, 966F, 960F, 950F II, 816F, 815F, 814F, 816B, 815B, 814B, 771D, 771C, 769D, 769C, 572R

Core, Radiator
- Part #: 2W5540
- Weight: 33.00
- Fits Machine(s): 16G, 793C, 814B, D8N, D7G, D6H, 816B, G3406, D7H, D6H II, 966D, 815B, 627F, 623G, 627G, 623F, 627E, 621G, 621E, 572G, 623E, 621F, 578, 3412, 3408, 3406B, 16H, 16H NA
- Category(s): Radiators

Crankshaft
- Part #: 4P2974
- Weight: 5.24
- Fits Machine(s): 14G, 972G, 815B, 966F II, 966F, 966D, 621E, 611, 3306B, 814B, 615C, 3306C, 3306, 3176B, 3304, 14H NA, 3176
- Category(s): Engines & Engine Parts

Cylinder G
- Part #: 3G5497
- Weight: 589.20
- Fits Machine(s): 966D, 970F, 966F II, 966F
- Category(s): Hydraulic Cylinders

Disc, Trans
- Part #: 328-4374
- Weight: 2.00
- Fits Machine(s): 572R II, 966G II, 972G, D250, 980K, 980G II, 980F, 972K, D250E, 980H, 980G, 980C, 972G II, 972H, 815F II, 966G, 966D, 816F, 816F II, 815F, 815B, 814F II, 814F, 615C, 611, 587T, 587R, 583T, 583R, 30/30

Disc, Trans
- Part #: 328-4375
- Weight: 1.20
- Fits Machine(s): 572R II, 966G II, 972G, 972H, D250E, 980H, 980G, 980C, D250, 980K, 980G II, 980F, 972K, 972G II, 816F, 966G, 966D, 815F II, 816F II, 815F, 815B, 814F II, 814F, 615C, 611, 587T, 587R, 583T, 583R, 30/30

Edge-cutting Required- 1 Holes- Bol Dia.- Bolt- Nut- Washer-
- Part #: 9V0170
- Weight: 922.00
- Fits Machine(s): 966D, 972G II, 966F II, 966G, 966F

Edge-cutting Required- 1 Holes- Bol Dia.- Bolt- Nut- Washer-
- Part #: 7V1490
- Weight: 550.00
- Fits Machine(s): 966D, 966F

Edge-segment
- Part #: 4T6697
- Weight: 30.00
- Fits Machine(s): 963B, 973D, 973C, 966D, 973, 963D, 963C

Engine Oil Cooler- Core Assem.
- Part #: 7N4382
- Weight: 73.00
- Fits Machine(s): 966D
- Category(s): Engines & Engine Parts

Fan, Blower
- Part #: 4W0255
- Weight: 95.00
- Fits Machine(s): 578, D8N, D7H, 973, D6R, 966D, 815B

Filter, Oil
- Part #: 1R0658
- Weight: 2.40
- Fits Machine(s): 214B, 936, 973C, 972G, 950F, CS-573C, CS-563C, CS-533C, CS-531C, CP-563, 973, 966F II, 966D, 966F, 816B, 814B, 637E, 815B, 561D, 3306, 627B, 528, 325 LN, 320 L, 3116, 3114, 235C, 219D, 235

Final D350
- Part #: 2V-5722
- Fits Machine(s): 528B, D400, D35HP, D350E, D350C, D25D, 966F, D30C, D25C, 966D, D350E II, D35C, 816B, 814B, 815B, 530B, 735, D350D
- Category(s): Final Drives

Fuel Line Clamp- Lines Gp-fuel Injection
- Part #: 6N6404
- Weight: 0.03
- Fits Machine(s): 120B, 428, 416B, 966D, 963, 950B, 941, 930, 815B, 627B, 428B, 966C, 955L, 950, 930R, 920, 637D, 594H, 528, 350, 330B L, 416, 3512, 3304, 235, 215, 3306, 330, 225, 1673C, 140G, 140B, 130G, 120G, 12G

Fuel Line Clamp- Lines Gp-fuel Injection
- Part #: 6N6403
- Weight: 0.04
- Fits Machine(s): 120G, 637D, 627B, 977K, 966R, 966D, 963, 950B, 950, 930R, C15, 973, 966F II, 966C, 955L, 941, 930, 920, 815B, 594H, 330B L, 350, 528, 3304, 235, 215, 3306, 330, 225, 1673C, 140G, 140B, 130G, 12G, 120B

Gear Pump-hydraulic
- Part #: 3G9891
- Weight: 41.20
- Fits Machine(s): 814B, 966F II, 966D, 950F II, R1300, G936, R1300G, 970F, 966F, 960F, 950F, 950B/950E, 950B, 936F, 936
- Category(s): Hydraulic Pumps

Gear, Bevel
- Part #: 9C8219
- Weight: 48.00
- Fits Machine(s): 815B, D40D, D350E, D400E, D25D, 966G, 966F, 966D, 816B, 814B

Gear, Qty. Teeth 40, Shaft/pinion 6w2928
- Part #: 9C6017
- Weight: 7.39
- Fits Machine(s): 815B, 966F, 966D, 814B

Governor A
- Part #: 1P7125
- Weight: 1.00
- Fits Machine(s): 3204, 972G, 980C, IT28, C27, 966D, 926, 824C, 916, 826C, 814B, 627E, 623E, 815B, 627F, 623F, 621F, 621E, 613, 3412E, 16G

Lining Kit
- Part #: 8R1284
- Weight: 2.00
- Fits Machine(s): 615C, D40D, D25D, D25C, 966D, 815B, 814B, 611

Pulley-crankshaft
- Part #: 7W5698
- Weight: 34.00
- Fits Machine(s): 627E, D7H, D6R, D6H XL, D6H, 972G, 966D, 815B, 65C

Pump, Trans
- Part #: 9P9610
- Weight: 45.60
- Fits Machine(s): 815B, R3000H, R2900G, R2900, 966F, 966D, 816B, 814B

Race-thrust Needle
- Part #: 1T1282
- Weight: 0.40
- Fits Machine(s): 527, 966F, 966F II, D300B, D25C, D250E, C9, 986H, D300E, D25D, D250E II, D250D, AD30, 980M, 980K, 980K HLG, 966D, 815B, 735, 814B, 730, 725C, 725, 637G, 637E, 637D, 631E, 615C, 615, 611, 583T, 30/30

Rotocoil A
- Part #: 8N7782
- Weight: 0.50
- Fits Machine(s): 120G, 950, 936F, D5H, D4E SR, 977L, 966D, 963, D5B, D4E, 966R, 966C, 955L, 950B, 951B, 930, 637D, 920, 815B, 572G, 528, 330B, 235, 518, 330 L, 225, 14G, 140G, 140B, 130G, 12G

Segment Lh
- Part #: 4T9124
- Weight: 40.00
- Fits Machine(s): 950B/950E, 973, 962K, 966D, 962G II, 950H, 962H, 950K, 950G II

Segment Rh
- Part #: 4T9123
- Weight: 40.00
- Fits Machine(s): 950B/950E, 966D, 973, 962K, 962G II, 950H, 962H, 950K, 950G II

Shoe Lining/band- Shoe As-lined
- Part #: 8R1286
- Weight: 34.02
- Fits Machine(s): 615C, D40D, D25D, D25C, 966D, 815B, 814B, 611

Shoe Lining/band- Shoe As-lined
- Part #: 9C9842
- Weight: 6.07
- Fits Machine(s): 814F, 966F II, 970F, 966F, 966D, 816F, 815F, 815B, 814B

Sleeve-mounting Gp-fuel Tank
- Part #: 7N5656
- Weight: 1.35
- Fits Machine(s): 615, 926, 816F, 943, D4E, 977L, 973, 972G, 970F, 966G, 966F II, 966F, 966D, 963, 953, 950B, 815B, 816B, 797B, 793F-XQ, 793F AC, 797F, 797, 793F CMD, 814F, 815F, 793F, 793D, 793C, 789D, 3512C

Switch, Oil
- Part #: 7T0988
- Weight: 0.40
- Fits Machine(s): 120G, 815B, 814B, 916, D4H, 980F, 973, 966D, 950B/950E, 936F, 936, D4H XL, CS-643, 980C, 966F, 963, 950B, 627E, 637E, 615C, 530B, 621E, 528B, 3208, 231D, 518, 245D, 16G, 160G, 14G, 140G, 130G, 12G

Temperature Gauge
- Part #: 4W0485
- Weight: 0.40
- Fits Machine(s): 517, D4H, D10, 994, 988B, 966D, 936, D4H XL, D11N, 994D, 992C, 980C, 950B, 926, 834B, 815B, 824C, 826C, 657E, 814B, 651E, 631E, 623E, 615C, 627E, 621E, 613C, 657B, 637E, 587R, 589, 583R, 527, 578

Torque Converter
- Part #: 7T7883
- Weight: 174.80
- Fits Machine(s): 966D
- Category(s): Transmissions

Transmission
- Part #: 8P2015
- Weight: 2413.60
- Fits Machine(s): 966D
- Category(s): Transmissions

Turbo Charger-use Cartridge 4n9534, Fits Engine Model: 3306
- Part #: 8N1441
- Weight: 35.50
- Fits Machine(s): 966D
- Category(s): Engines & Engine Parts
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!