Mazda 2-Pin 7.8mm DL Series Waterproof Connector – OEM 6195-0060 / 6195-0057
Direct OEM-specification replacement for the Sumitomo DL (Dual Lock) sealed series 2-pin waterproof wire harness connector used on high-current motor and actuator circuits across Mazda platforms. Cross-references Sumitomo / Mazda OEM part numbers 6195-0060 and 6195-0057. Uses the 7.8mm contact series in grey nylon housing with waterproof sealing — the DL series 7.8mm contact is Sumitomo’s largest automotive connector contact, designed for high-current applications such as cooling fan motors, starter motors, and high-power actuators where current ratings exceed 30A per contact.
The 2-pin DL series 7.8mm connector is used on high-current motor circuits on Mazda vehicles. The large 7.8mm terminal carries significantly higher current than standard automotive connectors, making it susceptible to fretting corrosion under vibration — a high-resistance connection at this current level generates significant heat, which can melt the nylon housing and cause terminal failure. A failed connector causes the connected motor or actuator to stop operating, resulting in cooling fan failure, starter motor failure, or other high-current circuit faults.
| OEM Number | Type | Application |
|---|---|---|
| 6195-0060 | Female (socket) housing | Sumitomo DL 2-pin 7.8mm female — harness side |
| 6195-0057 | Male (plug) housing | Sumitomo DL 2-pin 7.8mm male — component side |
| Pin | Function | Failure Symptom if Open / High Resistance |
|---|---|---|
| 1 | Motor power supply (12V, high-current) | Motor inoperative, overheating connector |
| 2 | Motor ground | Motor inoperative |
| Attribute | Detail |
|---|---|
| Pin Count | 2-Pin |
| Contact Series | 7.8mm pitch (Sumitomo DL sealed series) |
| Housing Material | Nylon, grey |
| Sealing | Waterproof (DL sealed series) |
| OEM Part Numbers | 6195-0060 / 6195-0057 |
| Applications | Cooling fan motor, starter motor, high-current actuator |
| Compatible Models | Mazda 3 / 6 / CX-5 / MX-5 / RX-8 (high-current motor applications) |
| Terminal Included | Yes |
Q: My Mazda cooling fan connector housing is melted — what caused this?
A: Melted connector housing on a 7.8mm DL series connector is caused by fretting corrosion at the terminal contact surface, which increases resistance and generates heat under high current. Replace both the connector housing and the terminals — do not reuse corroded terminals in a new housing.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
Be the first to know about new collections and special offers.
2 Pin Connectors
