| Radwell | BKGMT34A | 4.42 | 100 | 5 | | BUSSMANN | | 4.42 @ 100 |
 | Component Electronics | 507-165 | 4.62 | 1 | 8 | | BUSSMANNN | | 4.62 @ 5 |
| Onlinecomponents.com | GMT-3/4A | 4.88 | 1 | 471 | | BUSSMANN / EATON | | 4.88 @ 5 |
| Hotenda | H557824 | 4.9 | 1 | 5 | | Eaton (formerly Cooper Bussmann) | | 4.9 @ 5 |
 | AI Consolidated | GMT-3-4A-BUSSMANN | 5.36 | 1 | 5 | | Bussmann Eaton Cooper Fuses | 0.003 | 5.36 @ 5 |
| Crescent Electric Supply Co | 297988 | 5.45 | 1 | 89 | | Bussmann | | 5.45 @ 5 |
| Waldom | EATON GMT-3/4A | 6.09 | 1 | 5 | | Eaton | | 6.09 @ 5 |
| Digi-Key | GMT-3/4A-ND | 9.88 | 10 | 5 | | Eaton - Bussmann Electrical Division | | 9.88 @ 10 |
 | Walker Industrial | GMT-3-4A | 10.02 | 10 | 5 | 17 | Cooper Bussmann | | 10.02 @ 10 |
 | Galco | BK/GMT-3/4A-BUSS | 11.31 | 100 | 5 | | Bussmann | | 11.31 @ 100 |
| us.rs-online.com | 70150935 | 15.49 | 1 | In Stock | | Bussmann by Eaton | | 15.49 @ 5 |
| Graybar | 98414267 | 15.8256 | 1 | 5 | | Bussmann (Eaton) | | 15.8256 @ 5 |
| crescentelectric.com | 709202 | 16.17 | 1 | 5 | | Eaton | | 16.17 @ 5 |
| Newark | 27P4411 | 20.68 | 4 | 5 | | EATON BUSSMANN | | 20.68 @ 5 |
 | Platt.com | 0964778 | 23.3 | 1 | 5 | | Eaton/Bussmann Series | | 23.3 @ 5 |
| Airline Hydraulics | BUSSMANN GMT-3/4A | 24.02 | 1 | 5 | | Cooper Bussmann | | 24.02 @ 5 |
| AmazonTP | B07RZ2WY9Y | 40.03 | 1 | 5 | 1 | Bussmann / Eaton | | 40.03 @ 5 |
| AmazonSC | B07RX8PFLT | 40.03 | 1 | 5 | | Bussmann / Eaton | | 40.03 @ 5 |
 | turtle.com | BUS BK/GMT-3/4A | 657.42 | 1 | 5 | | Eaton | | 657.42 @ 5 |
