  | ktool.net | X503 | 348.58 | 1 | In Stock | | Marathon Motors | | 348.58 @ 1 |
  | asapelectricmotors.com | MARX503 | 390.05 | 1 | In Stock | | MARATHON | | 390.05 @ 1 |
  | MRO Supply | 2269424 | 401.84 | 1 | In Stock | | MARATHON-ELECTRIC | | 401.84 @ 1 |
  | apexindustrialautomation.com | X503 | 422.41 | 1 | 154 | | Marathon | | 422.41 @ 1 |
  | emotorpro.com | X503 | 427.1 | 1 | In Stock | | Marathon | 35.0 | 427.1 @ 1 |
  | Galco | X503-MARA | 442.26 | 1 | In Stock | | Marathon Electric | 35.0 | 442.26 @ 1 |
  | electricmotorwholesale.com | X503 | 452.0 | 1 | In Stock | | MARATHON | | 452.0 @ 1 |
  | midwestapplianceparts.com | X503-MT-P | 471.32 | 1 | 5 | | Marathon | | 471.32 @ 1 |
  | National Supply Network | B871726 | 490.87 | 1 | In Stock | | MARATHON MOTORS | | 490.87 @ 1 |
  | industrialstores.com | X503 | 509.14 | 1 | 5 | | Marathon Motors | | 509.14 @ 1 |
| us.rs-online.com | 72241244 | 513.89 | 1 | 2 | | Marathon Motors | | 513.89 @ 1 |
  | Dreisilker | MA-RBC-X503 | 532.24 | 1 | In Stock | | Marathon | | 532.24 @ 1 |
  | northstock.com | X503 | 560.99 | 1 | 2 | | Marathon | | 560.99 @ 1 |
  | Guardian | MARSX503 | 627.25 | 1 | In Stock | | Marathon | | 627.25 @ 1 |
| kirbyrisk.com | 507357 | 630.18 | 1 | In Stock | | Marathon | | 630.18 @ 1 |
  | Zoro | G904936945 | 690.99 | 1 | In Stock | 10 | Marathon Motors | | 690.99 @ 1 |
| uri.com | X503 | 1267.9 | 1 | In Stock | | Marathon | 37.0 | 1267.9 @ 1 |