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MG623688-5 / MG613689-5 Automotive KET 9.5mm Unsealed Connector — Male & Female Large Current Wiring Plug
MG623688-5 / MG613689-5 Automotive KET 9.5mm Unsealed Connector Male & Female Large Current Wiring Plug
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MG623688-5 / MG613689-5 KET 9.5mm Automotive Unsealed Connector — Large Current Wiring
The MG623688-5 (male) and MG613689-5 (female) are KET-series 9.5mm pitch automotive connectors designed for large current wiring harness applications. The 9.5mm terminal pitch is the largest in the standard automotive connector range, providing the highest current-carrying capacity for high-load circuits such as starter motors, alternators, main power distribution, and heavy-duty actuators. The unsealed design is suited for protected underhood locations where moisture ingress is not a primary concern.
Key Specifications
| Parameter | Value |
|---|---|
| OEM Part Number (Male) | MG623688-5 |
| OEM Part Number (Female) | MG613689-5 |
| Terminal Pitch | 9.5mm |
| Series | KET (Korea Electric Terminal) |
| Sealing | Unsealed |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Wire Range | 2.5–6.0mm² (14–10 AWG) |
| Current Rating | Up to 30A+ (9.5mm terminal) |
| Operating Temperature | -40°C to +125°C |
| Compliance | RoHS |
| Origin | Mainland China |
Why 9.5mm KET Connectors for Large Current Circuits
- 30A+ current rating — the 9.5mm terminal pitch accommodates heavy-gauge wire and high-current contacts for starter, alternator, and main power circuits
- KET series compatibility — Korea Electric Terminal (KET) connectors are widely used in Hyundai, Kia, and other Asian OEM wiring harnesses
- Heavy-gauge wire entry — housing accepts wire up to 6.0mm² (10 AWG) for high-current power distribution applications
- Positive latch retention — robust snap-lock mechanism prevents accidental disconnection under vibration in high-current circuits
- OEM dimensions — manufactured to KET mating specifications for direct replacement compatibility
Package Options
| Option | Contents |
|---|---|
| Male only | MG623688-5 male housing + terminal(s) |
| Female only | MG613689-5 female housing + terminal(s) |
| Male + Female set | Both housings + terminals |
Typical Applications
- Starter motor and alternator wiring harness repair
- Main power distribution connector replacement
- Heavy-duty actuator and solenoid wiring
- Hyundai / Kia OEM wiring harness repair
- High-current automotive accessory wiring
Frequently Asked Questions
Q: What vehicles use KET 9.5mm connectors?
KET connectors are standard in Hyundai, Kia, and other Korean OEM wiring harnesses, as well as some Japanese and European vehicles. The 9.5mm series is typically found in high-current circuits: starter, alternator, main fuse box feeds, and heavy-duty actuators. Check your vehicle’s wiring diagram or the part number on the existing connector to confirm compatibility.
Q: What wire gauge should I use with 9.5mm terminals?
The 9.5mm terminal accepts wire from 2.5mm² to 6.0mm² (14–10 AWG). Match the wire gauge to the circuit’s current load — for 20–30A circuits use 2.5–4.0mm²; for 30A+ circuits use 4.0–6.0mm². Always use a ratchet crimping tool sized for 9.5mm terminals.
Q: Is this connector waterproof?
No — the MG623688-5 / MG613689-5 is an unsealed connector. It is designed for protected underhood locations where direct water spray is not expected. For exterior or underbody applications, use the corresponding sealed variant with wire seals.
