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6-Pin Furukawa Waterproof Connector FW-C-6M-B / FW-C-6F-B — FW Series Sealed Automotive Wiring Plug
6-Pin Furukawa Waterproof Connector FW-C-6M-B / FW-C-6F-B FW Series Sealed Automotive Wiring Plug
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6-Pin Furukawa Waterproof Connector — FW-C-6M-B / FW-C-6F-B
Part Numbers: FW-C-6M-B (male/plug) / FW-C-6F-B (female/receptacle)
Manufacturer: Furukawa Electric (古河電気工業)
Series: FW (Furukawa Waterproof) Series
Furukawa Electric is one of Japan's oldest and most respected wire and cable manufacturers, supplying OEM wiring harnesses to Honda, Nissan, Mitsubishi, and Subaru for decades. The FW (Furukawa Waterproof) series is Furukawa's proprietary sealed connector platform, used in underhood, underbody, and exterior wiring applications where full environmental protection is required. The FW-C-6M-B / FW-C-6F-B 6-pin pair is found in sensor harnesses, exterior lighting circuits, and body electrical systems across a range of Honda and Nissan platforms — and is a standard replacement part for auto electricians and harness repair specialists working on these vehicles.
Technical Specifications
- Part Numbers: FW-C-6M-B (male plug) · FW-C-6F-B (female receptacle)
- Manufacturer: Furukawa Electric / Furukawa Automotive Systems
- Series: FW (Furukawa Waterproof)
- Pin Count: 6-pin
- Sealing: Fully sealed — individual wire seals + interface seal; IP67-rated when mated
- Housing Material: PA66 — heat-stabilized, UV-resistant, chemical-resistant
- Terminal Material: Copper alloy, tin-plated
- Operating Temperature: -40°C to +120°C
- Current Rating: Up to 7A per pin
- Voltage Rating: 12V DC
- Wire Gauge: 0.3–1.25 mm² (AWG 22–16)
- Locking: Positive-latch retention tab with secondary lock
Vehicle Compatibility & Applications
- Honda / Acura: Accord (CL7/CL9/CU2), Civic (FD/FB/FC/FK), CR-V (RD/RE/RM/RW), HR-V, Pilot, Odyssey — underhood sensor harness connectors, exterior lighting plugs, ABS sensor wiring
- Nissan / Infiniti: Altima (L32/L33), Sentra (B16/B17), X-Trail (T31/T32), Qashqai (J10/J11), Navara (D40/D23) — sensor harness connectors, tail light wiring plugs
- Mitsubishi: Outlander (CW/GF), Lancer (CY/CZ), Pajero Sport — exterior lighting and sensor harness connectors
- Subaru: Forester (SH/SJ/SK), Outback (BR/BS), Impreza (GH/GJ/GT) — underbody sensor harness connectors
- Common applications: O2 sensor harness, ABS wheel speed sensor plug, tail light assembly connector, fog light wiring plug, parking sensor harness, trailer wiring connector
Why Furukawa FW Series Connectors Fail
Despite their IP67 rating, FW series connectors in underbody and exterior locations face the same degradation mechanisms as all sealed automotive connectors: thermal cycling hardens the wire seals, road salt and cleaning chemicals attack the interface seal, and vibration causes fretting corrosion on the terminal faces. On Honda and Nissan vehicles in high-humidity markets — particularly Southeast Asia, Japan, and coastal Australia — this degradation is accelerated. The result is moisture-induced sensor faults, ABS warning lights, O2 sensor codes, and tail light failures that are often misdiagnosed as sensor or bulb failures. Replacing the FW connector is the definitive fix.
Global Market & Regional Notes
Honda and Nissan are among the most popular automotive brands globally, and Furukawa Electric supplies OEM harnesses to both. The FW-C-6M-B / FW-C-6F-B connector is in active demand across Japan, Australia, New Zealand, Southeast Asia (Thailand, Indonesia, Malaysia, Philippines, Vietnam), the Middle East (UAE, Saudi Arabia, Kuwait), South Africa, and North America (USA, Canada). Furukawa Automotive Systems also supplies harnesses to Honda's manufacturing plants in Thailand, Indonesia, and India, making FW-series connectors widely available through regional aftermarket suppliers in these markets.
Installation Notes
- Disconnect the vehicle battery before working on sensor or lighting wiring
- Use a Furukawa FW-series terminal extraction tool — do not pull on the wire
- Inspect wire seals before re-use; replace if cracked or hardened
- Apply dielectric grease to the interface seal face before mating
- Ensure wire seals are fully seated before inserting terminals to maintain IP67 rating
- Clear fault codes after replacement and verify sensor operation
Package Contents
- 1 × FW-C-6M-B 6-Pin Male Sealed Connector Housing
- 1 × FW-C-6F-B 6-Pin Female Sealed Connector Housing
- Wire seals and terminals included (confirm variant at checkout)
Genuine Furukawa Electric specification. Ideal for Honda and Nissan specialists, auto electricians, and harness repair workshops. Contact us for bulk pricing.
