Original Sumitomo 6189-0779 / 6189-7471 RS Housing

The Component: Genuine Sumitomo 6189-0779 automotive sealed female socket connector plug housing. RS Series 2.3mm (090) nominal sizing classification / 3-position single-row linear female casing (Slate Grey / High-Grade PBT / Sealed / 1x3 Grid Configuration / Female Inline Interface Plug / Component Alias Code: 61890779 / Global Order Reference: 6189-0779).

Applications & Fitment: Designed as an ultra-reliable, factory original equipment (OE) wire-to-device waterproof connection plug engineered to maintain continuous electrical pathway integrity. This 3-pin female socket connector block is an absolute harness staple across modern and performance Japanese vehicle platforms—most notably dominating Nissan and Infiniti engine platforms. It serves as the definitive factory interface for critical 3-wire ignition coil packs, found widely across Nissan RB25DET, SR20DET, VQ25, VQ30, and select VQ35 engine variants, as well as critical camshaft position sensors and vehicle speed telemetry units. Engineered specifically to deliver exceptional structural rigidity and a airtight moisture barrier under extreme engine bay thermal vibration cycles, it isolates low-voltage ignition signals from oil vapor film, road spray, and continuous engine heat soak. Highly vulnerable to top thumb-release locking latch crisping or terminal retaining clip snap fractures when field mechanics roughly wedge open the plug shell using un-profiled steel screwdrivers during spark plug changes or engine diagnostic work.

Technical Attributes:

- Manufacturer Part Number: 6189-0779 / 61890779 (Brand: Sumitomo Wiring Systems / Genuine Factory Automotive Class)

- Product Series Taxonomy: RS Series 2.3mm (090 inch) Waterproof Automotive Interconnect Family

- Configuration: 3-Position / 3-Way Female Socket Plug, Single-Row 1x3 Linear Layout

- Connector Style: Socket Housing for Female Contacts (Free-Hanging Inline or Device Plug)

- Fastening & Locking Architecture: Features an integrated top-mounted external push-down mechanical locking bar latch that clicks firmly onto device male header slots

- Secondary Locking System: Equipped with a pre-assembled high-visibility white front-loading terminal position assurance (TPA) lock plate to ensure zero contact back-out

- Base Structural Compound: Premium Polybutylene Terephthalate (PBT) high-impact, chemically resilient heat-stabilized engineering polymer

- Color Profile: Factory Solid Slate Grey Outer Body with White Front Retainer accent

- Environmental Sealing Level: High-performance waterproof protection utilizing an internal perimeter silicone matrix face seal and isolated rear wire entries to preserve complete IP-rated isolation

- Low-Voltage Circuit Resistance: High-conductivity specification strictly capped at an initial 3.0 milliohm Maximum path resistance

- Insulation Threshold Stability: Maintains a secure 100 Megohm Minimum isolation shield at 500VDC to prevent cross-cavity tracking leakage

- Operational Thermal Window: Severe-duty engine bay envelope certified for continuous extreme temperatures ranging from -40°C up to +120°C

- Target Female Terminal Contacts (Not Included): Precision optimized to accept standard Sumitomo RS Series 2.3mm (090) female receptacle crimp sockets, such as the 8240-0263 series

- Associated Single Wire Seals (Not Included): Accommodates individual silicone rubber 2.3mm cavity seals (such as the 7165-0472 or 7165-0473 series) matching your target conductor insulation outer diameters

- Mating Counterpart Interface: Pairs seamlessly inline as the direct female partner to matching Sumitomo 3-way male inline cap housings, specifically part number 6188-0551

- Commercial Access: Available as convenient trade repair kits (housing, terminals, and seals included) or loose bulk commercial pieces. Tiered B2B wholesale trade volume pricing breaks apply instantly inside your basket for independent garages, loom remanufacturers, and trade auto-electrical stockists.