
Caterpillar Engines & Engine Parts
New Aftermarket, Used and Rebuilt Caterpillar Engines & Engine Parts
AMS can save you a lot on new aftermarket, used and rebuilt Caterpillar Engines & Engine Parts and related parts. We offer everything from attachments, final drives, undercarriages, engines, cylinders, cabs, pumps and much more for all makes and models of construction equipment. We have a national reach for all of our customers and provide parts to customers around the globe. To request a quote, simply give us a call or click the Get Quote button below and a parts specialist will reply with a quote in minutes.
Our friendly parts specialist are standing by to assist you.
1-800-255-6253
Select Caterpillar Engines & Engine Parts Machine Type
All Caterpillar Engines & Engine Parts

Water Pump, Fits Engine Model: 3126, 3126b, 3126e, 3516c, C7, C9, C9.3
- Part #: 3522081
- Weight: 21.00
- Fits Machine(s): 12H, 950H, 816F II, 962H, IT62H, 815F II, 637G, 815B, 637E, 814F II, 637D, 584, 545C, 627G, 573, 535C, 525C, 160M, 160M 2, 140M, 140M 2
- Category(s): Engines & Engine Parts

Water Pump, Fits Engine Model: 3126, 3126b, 3126e, 3516c, C7, C9, C9.3
- Part #: 3522109
- Weight: 22.50
- Fits Machine(s): 140M, 816F II, 950H, IT62H, 962H, 815B, 815F II, 637G, 637E, 814F II, 637D, 584, 545C, 627G, 573, 535C, 160M 2, 525C, 160M, 140M 2, 12H
- Category(s): Engines & Engine Parts

Cylinder Head, Fits Engine Model: C9
- Part #: 3117226
- Weight: 254.00
- Fits Machine(s): 330C FM, TK752, TK732, TK751, TK722, TK741, TK711, D6R II, 637G, TK721, MTC735, C-9, 627G, 637D, 330C MH, 330C L, 12H
- Category(s): Engines & Engine Parts

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

Inner Spring Valve, Fits Engine Model: 3406b, 3406c
- Part #: 4W2472
- Weight: 0.10
- Fits Machine(s): 16G, 980C, 826G, RM-250C, HT400, D8R, D400E, PM-465, D8R II, D8N, D350E, 980F, 980G, 824G, 825G, 814B, 627F, 627E, 623E, 621E, 583R, 623F, 621F, 587R, 578, 375 L, 5080, 16H NA, 375
- Category(s): Engines & Engine Parts

Turbo Charger-use Cartridge 7c7503, Fits Engine Model: 3406, 3406c
- Part #: 7C7691
- Weight: 57.00
- Fits Machine(s): 16H NA, D8N, 980C, 16G, 578
- Category(s): Engines & Engine Parts

Main Bearing Undersize .50mm / 0.020in, Fits Engine Model: 3406, 3406b, 3406e, 3408, 3412, 3412c
- Part #: 4W5492-020
- Weight: 1.41
- Fits Machine(s): 16G, 769C, 657E, 824C, 775B, 773B, 826, 814B, 773E, 771D, 771C, 769D, 651E, 637G, 627E, 631G, 637D, 621E, 578, 623E, 589, 5110B, 5080, 375 L, 375, 24H, 245, 245B
- Category(s): Engines & Engine Parts

Connecting Rod Bearing Undersize .75mm / 0.030in, Fits Engine Model: 3406, 3406b, 3406c, 3408, 3408b, 3408c, 3408e, 3412, 3412c, 3412e
- Part #: 4W5702-030
- Weight: 0.70
- Fits Machine(s): 16G, 657E, 769C, 771D, 771C, 769D, 637G, 637D, 651E, 633E II, 637E, 631E, 627E, 621E, 631G, 631D, 623E, 589, 578, 5110B, 245, 24H
- Category(s): Engines & Engine Parts

Rotocoil As Lock Keeper 2a4429, Fits Engine Model: 3406, 3406b, 3406c, 3408, 3408b, 3408c, 3408e, 3412, 3412c, 3412e
- Part #: 6N7154
- Weight: 0.50
- Fits Machine(s): 245, 637E, 651E, 637D, 657E, 637G, 631G, 631D, 633E II, 627F, 631E, 627B, 623E, 621B, 627E, 623F, 621F, 621, 589, 5110B, 24H, 16G
- Category(s): Engines & Engine Parts

Camshaft As, Fits Engine Model: 3406
- Part #: 8N9245
- Weight: 43.06
- Fits Machine(s): 16G, G3406, 826C, 980C, 627E, 3406C, 3406B, 245, 3406
- Category(s): Engines & Engine Parts

Connecting Rod Bearing Undersize .50mm / 0.020in, Fits Engine Model: 3406, 3406b, 3408, 3408b, 3408c, 3408e, 3412, 3412c, 3412e,
- Part #: 9Y9497-020
- Weight: 0.80
- Fits Machine(s): 245, 980C, 988B, AE40, AE40 II, AD45, 992C, 836, 826C, 772B, 69D, 775B, 657E, 637E, 627E, 651E, 631E, 623E, 621E, 589, 578, 5110B, 16G
- Category(s): Engines & Engine Parts

Assembled Cylider Head, Fits Engine Model: 3406, 3406b
- Part #: 7N1302
- Weight: 285.00
- Fits Machine(s): 245, 983B, 826C, 980C, 825C, 824C, 623B, 621B, 16G
- Category(s): Engines & Engine Parts

Assembled Cylider Head, Fits Engine Model: 3406b
- Part #: 1W1439
- Weight: 345.00
- Fits Machine(s): 245, SS-250, D400, RR-250, 980C, 826C, 824C, 627F, 825C, 814B, 627E, 623F, 623E, 621F, 621E, 16G
- Category(s): Engines & Engine Parts

Connecting Rod Bearing Undersize 1.25mm / 0.050in, Fits Engine Model: 3406
- Part #: 8N5436
- Weight: 0.90
- Fits Machine(s): 16G, 621B, D3, 245
- Category(s): Engines & Engine Parts

Turbo Charger-use Cartridge 9l6239, Fits Engine Model: 3406
- Part #: 9L6308
- Weight: 46.00
- Fits Machine(s): 3406, 983B, 980C, 3406B, 16G
- Category(s): Engines & Engine Parts

Piston, Fits Engine Model: 3406b, 3406c
- Part #: 3780509
- Weight: 7.00
- Fits Machine(s): 16G, 980G, 980C, D8N, 980F, 627F, 623E, 621F, 578, 3406B, 3406C
- Category(s): Engines & Engine Parts

Element - Engine Oil
- Part #: 1R0714
- Weight: 1.90
- Fits Machine(s): 306, CB-434, D4HTSK II, IT12B, PR-1000, IT24F, 943, 918F, 926, 924F, 446D, 446B, 3208, 3204, 3116, 3114, 308D, 308C, 307D, 307C, 305.5
- Category(s): Engines & Engine Parts

Block-thrust, Fits Engine Model: 3054, 3054b
- Part #: 7C3195
- Weight: 0.60
- Fits Machine(s): 212, 438C, 438D, CB-544, CB-434C, CB-424, 914G, CB-535B, CB-434B, AP-800, 908, 442D, 554, 428D, 432D, 436C, 430D, 428C, 428B, 426C, 420D, 428, 424D, 416D, 416C, 416B, 312C, 312B L, 206
- Category(s): Engines & Engine Parts

Main Bearing Kit Undersize .75mm / 0.030in, Fits Engine Model: 3054, 3054b
- Part #: 3537430
- Weight: 1.60
- Fits Machine(s): 206, 430D, 428C, CB-5, CB-434B, 914G, 554, CB-434C, CB- 424, AP-800C, 908, 436C, 438C, 426B, 428B, 426C, 428, 420D, 416D, 416B, 315B L, 416C, 317, 315, 312C, 312B L, 312, 212, 307
- Category(s): Engines & Engine Parts

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!