Our Caterpillar aftermarket belt tighteners & pulleys products include but are not limited to the part numbers below. We sell other engine parts too. Click the links here to view these products.
Belt Tighteners
| O.E.M. Part No. | CAT® Engine Model | | Cummins | | Dynacraft | Freightliner | | GM | International Navistar | | Jonh Deere | | Volvo | |
| | | | | | | | | | | | | | |
| 1333543 | 3176 | | 4071248 | | D1186-2393 | | | | | | | | | |
| 1333544 | C10, C12 | | | | | | | | 1814719-C1 | | RE2490 | | | |
| 1333545 | C10, C12 | | 4071248 | | D1186-2393 | | | | | | | | | |
| 1352142 | C7, C9, 3126B | | 4071248 | | D1186-2393 | | | | | | | | | |
| 1352151 | 3126B, C7 | | | | D1186-2432 | | | | 1687819-C91, 3543883-C1 | | AH155348, RE184034 | | | |
| 1382514 | 3126, 3126B, C7 | | | | D1186-2458 | DCO90-727000 | | | | | | | | |
| 1421987 | C10, C12 | | | | | | | | | | | | 8086969, 20461116 | |
| 1900634 | 3116, C10, C12 | | 3161562 | | D1186-2341 | | | 15727065 | | | RE518097 | | | |
| 1900642 | C12, C10 | | | | D1186-2458 | DCO90-727000 | | | | | | | | |
| 1900643 | C9 | | | | | | | | 1841760-C1 | | RE506352 | | | |
| 1900649 | 3196, 3176C | | 4071248 | | D1186-2393 | | | | | | | | | |
| 2002279 | C15 | | 4920105 | | D1186-2621 | | | | | | | | | |
| 2117895 | C11, C13 | | | | D1186-2611 | | | | | | | | | |
| 2178938 | C15, C18, 3406, 3456 | | | | D1186-2623 | | | | | | | | | |
| 2201209 | C7, C9, 3426E | | | | D1186-2617 | | | | | | | | | |
| 2222880 | C7, C9, 3126E | | | | D1186-2619 | | | 15170283 | | | | | | |
| 3368955 | C15, C16 | | 3682946, 3683289 | | D1186-2613 | | | | | | | | | |
| 7E0339 | 3116 | | | | | | | | | | RE18097 | | | |
| 7E3999 | 3126E, 3126B, 3116 | | | | D1186-2432 | | | | 1687819-C91, 3543883-C1 | | AH155348, RE184034 | | | |
Pulleys
| O.E.M. Part No. | | CAT® Engine Models | | Cummins | | | Dynacraft | | | Frieghtliner | | GM | | International Navistar | | Komatsu® | | Volvo | |
| 1337023 | | C15, C18, 3196 | | 3102888, 3161562 | | | D1186-5176 | | | | | | | | | 6731-61-4141, 6731-62-4110 | | | |
| 1421988 | | C7, C9, C10, C12 | | | | | | | | | | | | | | | | 3164793, 20461114 | |
| 1445611 | | C7, C9, 3126E | | | | | | | | DC093-001141 | | 89022559 | | 19808-01 | | | | | |
| 1979641 | | C7, C9, C13, C15 | | 3102888, 3161562 | | | D1186-5176 | | | | | | | | | 6731-61-4141, 6731-62-4110 | | | |
| 2278313 | | C11, C13 | | 3281583, 3914095 | | | D1186-5208 | | | | | | | | | | | | |
| 2534525 | | C7, C9, 3126B | | | | | | | | DC093-001141 | | 89022559 | | 19808-01 | | | | | |
