Sumitomo 6189-7757 4-Way Female RS Sealed Connector

The Component: Genuine Sumitomo high-performance sealed female socket connector plug housing. RS Sealed Series taxonomy / 4-position dual-row matrix female casing / Standard Keying Profile (Factory Standard Grey / Premium PBT / Sealed Waterproof / 2x2 Grid Configuration / Female Inline Sensor Plug / Component Variant Alias: 6189-7757 / Global Order Reference: 61897757).

Applications & Fitment: Engineered as a premium, high-reliability original equipment (OE) wire-to-wire or wire-to-device waterproof connection plug designed explicitly for high-exposure, severe vehicle environments. This 4-pin female multi-row terminal socket block is a classic wiring harness staple across modern Japanese passenger vehicles and performance motorcycle platforms—frequently deployed for critical engine management nodes, including oxygen (O2) sensors, camshaft position sensors, specialized linear lambda sensors, and low-current chassis telemetry junctions. It features an integrated top-mounted mechanical thumb latch arm that snaps firmly onto corresponding male device headers, establishing a high-strength connection that completely resists extreme multi-axis engine vibrations and structural road harmonics. Engineered to meet strict automotive tier-1 validation standards, its internal silicone perimeter seal delivers a flawless environmental barrier against high-pressure moisture washdowns, road salt mist, fine dust penetration, and engine fluid film exposure. Highly vulnerable to top latch hinge fracture if field technicians attempt forced service separation using flat workshop blades instead of applying clean, central thumb pressure to the primary release hinge.

Technical Attributes:

- Manufacturer Part Number: 6189-7757 / 61897757 (Brand: Sumitomo Wiring Systems / Genuine Factory Automotive Class)

- Product Series Taxonomy: RS Sealed Series Interconnect Family

- Configuration: 4-Position / 4-Way Female Socket Plug, Dual-Row 2x2 Matrix Layout

- Physical Footprint Dimensions: 26.40mm Outer Base Width x 32.05mm Overall Length x 27.50mm Total Height profile

- Contact System Terminal Envelope: Custom-engineered to shield standard 1.8mm nominal blade width female crimp socket terminals

- Connector Style: Socket Housing for Female Contacts (Free-Hanging Inline Loom or Direct Engine Component Interface Plug)

- Fastening & Locking Architecture: Features an integrated heavy-duty top-mounted mechanical thumb latch clip

- Secondary Locking System: Equipped with a built-in internal terminal retention lock to ensure zero terminal pin back-out under severe harness assembly pull stress

- Base Structural Compound: Premium Polybutylene Terephthalate (PBT) engineering polymer for maximum thermal tracking resistance, dimensional accuracy, and structural toughness

- Color Profile: Factory Standard Grey housing assembly block

- Environmental Sealing Level: High-performance waterproof and dustproof isolation certified for harsh under-hood engine bay and lower chassis placement

- Low-Voltage Circuit Threshold: Engineered for standard vehicle electronic low-voltage networks operating below 32V DC continuous

- Operational Thermal Window: Severe-duty engine compartment layout certified to maintain material elasticity and seal compliance from -40°C up to +120°C

- Target Female Terminal Contacts (Not Included): Precision optimized to accept standard Sumitomo RS sealed series female crimp socket pins (requires matching single-wire cavity rubber seals, such as standard green seals, to preserve full IP-rated waterproof performance)

- Mating Counterpart Interface: Pairs seamlessly inline or to device headers as the direct female partner to matching 4-way male Sumitomo RS sealed series components (including matching male terminal counterpart housings, such as 6181-0668 or equivalent variants)

- Commercial Access: Available as loose individual housing shells or convenient trade repair connection bundles containing matching terminals and seals. Tiered B2B wholesale trade volume pricing breaks apply instantly inside your basket for independent garages, loom remanufacturers, and trade auto-electrical stockists.