Transmission Coolant Line Adapters (GMC) special adapter is used in automotive and trucking industries
| Type | Special Adapter |
| Style | Transmission Coolant Line Adapters (GMC) |
| Size | 5/16" x 3/8" |
| Material | Brass |
| Inv. Female | 5/16 (1/2-20) |
| Inv. Male | 3/8 (5/8-18)" |
