We supply high-quality aftermarket replacement parts for bulldozers and excavators from Komatsu, Caterpillar, Hitachi, Volvo, and other major brands.
The part numbers listed are only common references and do not represent our full supply range. To ensure accurate fitment, please contact our technical team before ordering.
We will assist in verifying machine model, serial number, and OEM part number to ensure correct matching and reliable performance.
Excavator Undercarriage Parts
| Excavator Model | Part Name | Part Number |
| E385/390 | Track Roller | 185-5065 |
| E385/390 | Track Roller Bolt | 4472461 |
| E385/390 | Carrier Roller | 175-3274 |
| E385/390 | Carrier Roller Bolt | 4532859 |
| E385/390 | Washer | 9X8399 |
| E385/390 | Sprocket | 201-1704 |
| E385/390 | Sprocket Bolt | 145-2970 |
| E385/390 | Idler | 135-8904 |
| E385/390 | Idler Bolt | 4471725 |
| E385/390 | Track Link 51L | 297-0129 |
| E385/390 | Shoe 650mmX23 | 301-2283 |
| E385/390 | Bolt & Nut Chain | 301-2301 |
| E374/365 | Track Roller | 178-7289 |
| E374/365 | Carrier Roller | 542-8380 |
| E374/365 | Carrier Roller Bolt | 447-1727 |
| E374/365 | Carrier Roller Bolt | 453-2859 |
| E374/365 | Washer | 451-2178 |
| E374/365 | Sprocket | 141-9655 |
| E374/365 | Idler | 508-2574 |
| E374/365 | Link 47L | 294-3060 |
| E374/365 | Bolt & Nut Chain | 144-0805 |
| E350 | Track Roller | 8E4288 |
| E350 | Track Roller Bolt | M24-3-120 |
| E350 | Carrier Roller | 8E4623 |
| E350 | Carrier Roller Bolt | M30-3.5-140 |
| E350 | Sprocket | 8E6974 |
| E350 | Sprocket Bolt | 7X2575 |
| E350 | Idler | 8E4345 |
| E350 | Idler Bolt | M20-2.5-70 |
| E350 | Shoe 600mm | 145-9320 |
| E350 | Link 47L P=228.6 | 8E6089 |
| E345/E349 | Top Roller | 124-7280 |
| E345/E349 | Sprocket/23T-20H-577mm | 124-3295 |
| E345/E349 | Idler | 115-6366 |
| E345/E349 | Track Roller | 123-1379 |
| E345/E349 | Track Link 49L/P=216 | 150-4745 |
| E345/E349 | Track Shoes 750mm | 208-32-51341 |
| E345/E349 | Cylinder | 1941252 |
| E336D2L/E336 | Track Roller | 1634149 |
| E336D2L/E336 | Carrier Roller | 6Y5323 |
| E336D2L/E336 | Link 49L | 1187301 |
| E336D2L/E336 | Track shoes | W216E600 |
| E336D2L/E336 | Sprocket/23T-16H-515mm | 6Y5685 |
| E336D2L/E336 | Idler | 1362422 |
| E336D2L/E336 | Bolt for Link | 6Y9024 |
| E336D2L/E336 | Not for Link | 9W4381 |
Bulldozer Undercarriage Parts
| Bulldozer Model | Part Name | Part Number |
| D3K/C | Track Roller SF | 275-3579 |
| D3K/C | Track Roller DF | 275-3580 |
| D3K/C | Top Roller | 275-3578 |
| D3K/C | Segment | 278-2357 |
| D3K/C | Idler | 254-0684 |
| D3K/C | Track Link | 323-8756 |
| D3K/C | Shoes | 198-6991 |
| D3K/C | Track Roller Bolt | 357-9606 |
| D3K/C | Top Roller Bolt | 8T4184 |
| D3K/C | Segment Bolt | 9W9265 |
| D3K/C | Idler Bolt | 8T4194 |
| D3K/C | Track Link and Shoes ASSY | 6Y0935 |
| D3K/C | Chain Track Bolt & Nut | 4K7038 |
| D3K/C | Spring | 254-0623 |
| D3K/C | Support | 254-0662 |
| D3K/C | Rod | 505-0100 |
| D3K/C | Pin Cotter | 099-5217 |
| D3K/C | Plate | 254-0648 |
| D3K/C | Nut Castle | 289-5884 |
| D3K/C | Washer | 9X8259 |
| D3K/C | Adjust | 394-3655 |
| D3K/C | Track Guard | 282-3668 |
| D4D | Track Roller SF | 104218 |
| D4D | Track Roller DF | 104213 |
| D4D | Carrier Roller | 6K9880 |
| D4D | Segment 5T-5H-5pcs | 7K2514 |
| D4D | Idler Group | 2Y3016 |
| D4D | Track Link 36L | 7T1470 |
| D4D | Track Roller SF | 7G4836 |
| D4D | Track Roller DF | 7G4836 |
| D4H | Carrier Roller | 6K9880 |
| D4H | Segment 5T-4H-5pcs | 7G0841 |
| D4H | Bolt for Sprocket | 3S8182 |
| D4H | Nut for Sprocket | 7H3607 |
| D4H | Idler Group | 6T2416 |
| D4H | Track shoes 20' 762mm | 3T6163 |
| D4H | Track Link 39L | 7T8637 |
| D5B | Track Roller SF | 9S9539 |
| D5B | Track Roller DF | 9S9538 |
| D5B | Carrier Roller | 5A8374 |
| D5B | Segment 3T-3H-9pcs | 9P0984 |
| D5B | Idler Group | CR3190 |
| D5B | Track Roller SF | 7G4836 |
| D5C | Track Roller DF | 7G4836 |
| D5C | Carrier Roller | 6K9880 |
| D5C | Segment 4T-4H-2pcs | 114-9278 |
| D5C | Segment 5T-5H-3pcs | 6I9526 |
| D5C | Bolt for Sprocket | 6V0937 |
| D5C | Nut for Sprocket | 7H3607 |
| D5C | Idler Group | 185-4038 |
| D5C | Track Shoes 20'560mm | 9U8386 |
| D5C | Track Link 37L | 6I9527 |
| D5C | Track Shoes ASSY | 6I9569 |
| D5K | Track Roller SF | 7G4836 |
| D5C | Bolt for Track Link | 6I9573 |
| D5C | Spring | 8Y6659 |
| D5K | Track Roller DF | 7G4837 |
| D5K | Carrier Roller | 362-0515 |
| D5K | Segment 4T-4H-3pcs | 278-2359 |
| D5K | Segment 5T-5H-3pcs | 278-2358 |
| D5K | Bolt for Sprocket | 5/8-18-2.11N |
| D5K | Nut for Sprocket | 5/8-18-THD |
| D5K | Idler Group | 422-2588 |
| D5K | Track Shoes 660mm | 235-2555 |
| D5K | Track Link 40L | 235-2535 |
| D5K | Bolt & Nut for Track Link | 238-0472 |
| D5K | Bolt for Track Link | 254-0227 |
| D6K | Track Roller DF | 357-5367 |
| D6K | Carrier Roller | 372-3375 |
| D6K | Segment 4T-4H-3pcs | 363-3570 |
| D6K | Segment 5T-5H-3pcs | 363-3569 |
| D6K | Bolt for Sprocket | 197-9674 |
| D6K | Nut for Sprocket | 8T3980 |
| D6K | Idler Group L | 368-9791 |
| D6K | Idler Group S | 368-8557 |
| D6K | Track Shoes 660mm | 235-2534 |
| D6K | Track Link 40L | 110-2977 |
| D6K | Bolt for Sprocket | 197-9674 |
| D6K | Nut for Sprocket | 8T3980 |
| D6K | Bolt for Track Shoes | 3/4-16-2.4 |
| D6K | Bolt for Track Link | 3/4-16-3.9 |
| D6K | Bolt for Track Link | 3/4-16-2.4 |
| D6K | Nut for Link | 3/4-16-THD |
| D6K | Track Roller SF | 6Y2901 |
| D6K | Track Roller DF | 6Y2903 |
| D6K | Carrier Roller | 3T3206 |
| D6K | Segment 5T-5H-5pcs | 8P8914 |
| D6K | Bolt for Sprocket | 3S8182 |
| D6K | Nut for Sprocket | 7H3607 |
| D6C/D | Idler Group | CR4094 |
| D6C/D | Track Shoes 20' 560mm | 7S9557 |
| D6C/D | Bolt for Track Shoes | 7H3597 |
| D6C/D | Nut for Track Shoes | 1M1408 |
| D6C/D | Bolt for Track Shoes | 1S1859 |
| D6C/D | Nut for Track Shoes | 1S1860 |
| D6C/D | Track Link 42L P=203.2 | 6P7541 |
| D6C/D | Track Link 39L | 3P1089 |
| D6C/D | Track Link 36L | 3P1088 |
| D6C/D | Track Link 41L | 3P1119 |
| D6H/R | Track Roller SF | 7T4101 |
| D6H/R | Track Roller DF | 7T4106 |
| D6C/D | Carrier Roller | 6Y1781 |
| D6C/D | Sprocket Segment | 173-0946 |
| D6H/R | Bolt for Sprocket | 6V0937 |
| D6H/R | Nut for Sprocket | 7H3607 |
| D6H/R | Idler Group | 6T3216-L |
| D6H/R | Idler Group | 6T3216-S |
| D6H/R | Track Shoes 20' 560mm | 6Y6285 |
| D6H/R | Bolt & Nut for Track Shoes | 6V1792 |
| D6H/R | Bolt for Track Link | 1S1860 |
| D6H/R | Track Link 39L P=203.2 | 6Y3519 |
| D6H/R | Track Link 41L | 7G4332 |
| D6H/R | Track Link 45L | 9W9945 |
| D6T | Track Roller SF | 120-5746 |
| D6T | Track Roller DF | 120-5766 |
| D6T | Carrier Roller | 6Y1781 |
| D6T | Idler Group | 6T3216-Front |
| D6T | Idler Group | 6T3216-Front |
| D6T | Link 39L P=202.8 | 236-9864 |
| D6T | Track Shoes | 6Y6286 |
| D6T | Bolt for Track Shoes | 207-32-51210 |
| D6T | Nut for Track Shoes | 207-32-51220 |
| D6T | Segment | 6Y2931 |
| D6T | Track GP-ASSY | 385-2675 |
| D6T | Link-AS Track | 424-0844 |
| D6R | Link Master | 8E-7222 |
| D6R | Shoe Track | 6Y-6389 |
| D6R | Shoe Master | 6Y-6412 |
| D6R | Idler GP-Track | 202-4304 |
| D6R | Track Roller SF | 288-0934 |
| D6R | Track Roller DF | 288-0936 |
| D6R | Segment | 173-0946 |
| D6G | Track GP-ASSY | 596-4510 |
| D6G | Link-AS Track | 596-4500 |
| D6G | Link Master | 8E-7409 |
| D6G | Shoe Track | 6Y-6287 |
| D6G | Shoe Master | 6Y-6296 |
| D6G | Idler GP-Track | 395-4326 |
| D6G | Track Roller SF | 396-7353 |
| D6G | Track Roller DF | 398-5218 |
| D6G | Segment | 173-0946 |
| D7G | Track Roller SF | 6T9871 |
| D7G | Track Roller DF | 6T9867 |
| D7G | Carrier Roller | 1P8717 |
| D7G | Segment 5T-5H-5pcs | 9W6686/5S0052 |
| D7G | Bolt for Sprocket | 3S0336 |
| D7G | Nut for Sprocket | 7H3068 |
| D7G | Idler Group | CR2698 |
| D7G | Track Shoes 20' 560mm | 3P615 |
| D7G | Bolt for Track Shoes | 7H3598 |
| D7G | Nut for Track Shoes | 1S1860 |
| D7G | Track Link 38L P=215.9 | 3P0629 |
| D7G | Track Link 40L | 7P4038 |
| D7H/R | Track Roller SF | 9W5586 |
| D7H/R | Track Roller DF | 9W5585 |
| D7H/R | Carrier Roller | 1P8717 |
| D7H/R | Sprocket Segment | 6Y3928 |
| D7H/R | Bolt for Sprocket | 5P4130 |
| D7H/R | Nut for Sprocket | 7H3608 |
| D7H/R | Idler Group | 9W7647/6Y2031 |
| D7H/R | Track Shoes 20' | 9G2430 |
| D7H/R | Bolt for Track Shoes | 6V1793/2P9670 |
| D7H/R | Bolt for Chain Shoes | 6V1792 |
| D7H/R | Nut for Chain Shoes | 1S1860 |
| D7H/R | Track Link 41L P=215.9 | 6Y1141 |
| D7H/R | Track Link & Shoes Assy | 9G2431 |
| D8T | Idler GP | 111-1729 |
| D8T | Idler GP | 111-1730 |
| D8T | Bolt | 9W-4480 |
| D8T | Washer | 3S-1349 |
| D8T | Track Roller GP SF | 246-0775 |
| D8T | Track Roller GP DF | 246-0779 |
| D8T | Bolt | 6T-1140 |
| D8T | Washer | 5P-8249 |
| D8T | Link 49L P=215.9 | 8E4518 |
| D8T | Track Shoes 610mmx14 | 9P2657 |
| D8T | Track Link with Shoes GP 41L | 384-2954 |
| D8T | Bolt for Link | 175-32-11210 |
| D8T | Nut for Link | 178-32-11220 |
| D8T | Segment 5T-5H-5pcs | 314-5462 |
| D8T | Bolt | 5P-7665 |
| D8N | Track Roller SF | 9W8705 |
| D8N | Track Roller DF | 9W8706 |
| D8N | Top Roller | 8E0400 |
| D8N | Segment 5T-5H-5pcs | CR4532 |
| D8N | Idler | 6Y0557-L |
| D8N | Idler | 6Y0554-S |
| D8N | Link 44L | 9W3319 |
| D8N | Shoes P=215.9 610MMx14 | 9P2657 |
| D8N | Bolt for Chain | 7T2748 |
| D8N | Nut for Chain | 7G6442 |
| D8N | Bolt for Link | 6V1724 |
| D8N | Track Roller SF | 7S9041 |
| D8N | Track Roller DF | 7S9042 |
| D8N | Top Roller | 8P6256 |
| D8N | Segment (3T-3H)x9pcs | 9S6782 |
| D8N | Idler | 9S4325-L |
| D8N | Idler | 9S4325-S |
| D8N | Link 39L | 9W5773 |
| D8N | Shoes P=228.6 | 7S9093 |
| D8N | Bolt for Chain | 7H3599 |
| D8H/K | Nut for Chain | 2S2140 |
| D8H/K | Bolt for Link | 8S395 |
| D8H/K | Segment Bolt | 9S2727 |
| D8H/K | Segment Nut | 7H3609 |
| D8H/K | Track GP-ASSY | 384-2964 |
| D8H/K | Link-AS Track | 272-6009 |
| D8H/K | Link Master RH | 8E-4061 |
| D8H/K | Link Master LH | 8E-4062 |
| D8R/D8T | Shoe Track | 317-1030 |
| D8R/D8T | Idler GP-Track FR | 425-0474 |
| D8R/D8T | Idler GP-Track RR | 111-1729 |
| D8R/D8T | Track Roller SF | 246-0775 |
| D8R/D8T | Track Roller DF | 246-0779 |
| D8R/D8T | Segment | 314-5462 |
| D8R/D8T | Pin | 311-1298 |
| D8R/D8T | Bogie Minor | 7T-8555 |
| D9R | Track GP-ASSY | 379-4046 |
| D9R | Link-AS Track | 199-5525 |
| D9R | Link Master RH | 250-4245 |
| D9R | Link Master LH | 250-4246 |
| D9R | Link Master RH | 250-4247 |
| D9R | Link Master LH | 250-4248 |
| D9R | Shoe Track | 234-5975 |
| D9R | Idler GP-Track | 125-4655 |
| D9R | Track Roller SF | 196-9954 |
| D9R | Track Roller DF | 196-9955 |
| D9R | Segment | 499-2970 |
| D9R | Pin | 7T-9307 |
| D9R | Bogie Minor | 157-3106 |
| D9R | Track Roller SF | 7T1258 |
| D9R | Track Roller DF | 7T1253 |
| D9R | Segment 5T-5H-5pcs | 7T1246/1604927 |
| D9N/T | Idler | 7T2769-L |
| D9N/T | Idler | 7T2770-S |
| D9N/T | Link 43L P=240 | 6Y1130 |
| D9N/T | Chain Shoes ASSY 610mm | 9W2751/228-9812 |
| D9N/T | Shoes 610mm | 7T2294 |
| D9N/T | Bolt for Chain | 7T2638 |
| D9N/T | Nut for Chain | 7G0343 |
| D9N/T | Bolt for Link | 6V1728 |
| D9N/T | CAP | 1311651 |
| D9N/T | Pin | 7T9307 |
| D9N/T | Bogie Minor | 7T5420 |
| D9N/T | Segment Bolt | 7T1248 |
| D9N/T | Segment Bolt & Nut | 7H3609 |
| D9N/T | Segment Washer | 5P8249 |
| D9N/T | Bolt | 7T2283 |
| D10N/T/R | Track Roller CF | 6Y0889 |
| D10N/T/R | Track Roller DF | 6Y0890 |
| D10N/T/R | Sprocket (5T-6H)x5pcs | 6T9538/278-2352 |
| D10N/T/R | Idler | 9W9734 |
| D10N/T/R | Link 44L | 6Y2058 |
| D10N/T/R | Shoes P=260.35 | 7T4607 |
| D10N/T/R | Bolt for Chain 1-1/8x12x3.8 | 7T1000 |
| D10N/T/R | Nut for Chain 1-1/8x12UNF | 5B8221 |
| D10N/T/R | Bolt for Link 1-1/8x12UNF | 7T0998 |
| D10N/T/R | Bolt for Link 1-1/8x12UNF | 7T0999 |
| D10N/T/R | Segment Bolt | 5P5422 |
| D10N/T/R | Segment Nut | 2M5656 |
| D10N/T/R | Segment Washer | 5P8250 |
| D10N/T/R | Track Chain & Shoes ASSY | 380-5940 |
| D10N/T/R | Track Roller SF | 6T9371 |
| D10N/T/R | Track Roller DF | 6T9376 |
| D10N/T/R | Segment (8T-8H)x2pcs | 7T1242 |
| D10N/T/R | Idler | 9W9651 |
| D10N/T/R | Chain Link 41L | 6Y1128 |
| D10N/T/R | Shoes P=317.5 915x25mm | 6T8063 |
| D10N/T/R | Bolt for Chain 1-3/8x12UNF | 6T8853 |
| D10N/T/R | Nut for Chain 1-3/8X12UNF | 3T6292 |
| D10N/T/R | Bolt Master Track Shoes | 333 |
| D11N/T/R | Segment Bolt | 7T1243 |
| D11N/T/R | Segment Nut | 6V5516 |
| D11N/T/R | Segment Washer | 3S1349 |
| D11N/T/R | CAP | 306-9453 |
| D11N/T/R | CAP | 306-9451 |
| D11N/T/R | CAP | 306-9457 |
| D11N/T/R | CAP | 306-9455 |
| D11N/T/R | CAP | 306-9435 |
Parts By Brands
