Sumitomo 6188-5542 8-Way Male Sealed RS Connector

The Component: Genuine Sumitomo 6188-5542 8-way automotive sealed male tab connector housing. RS Series 0.64mm (.025) nominal terminal classification / 8-position dual-row inline male cap shroud (Black / PBT / Sealed / 2x4 Grid Configuration / Male Inline Interface Shroud / Component Alias Code: 61885542 / Global Order Reference: 6188-5542).

Applications & Fitment: Engineered as a high-density, factory original equipment (OE) wire-to-wire or wire-to-device inline mating connection solution. This 8-pin male connector shroud is widely deployed across modern Japanese manufacturer platforms—most notably throughout Nissan, Toyota, and Honda electrical architectures—serving as the definitive factory interface for critical powertrain sub-assemblies. Most commonly encountered as the inline connector for ignition coil sub-harnesses, electronic throttle control actuators, oxygen sensor distribution links, and high-vibration engine bay sensor arrays.

Sized perfectly to deliver exceptional mechanical stability and rock-solid waterproof protection under demanding engine compartment conditions, isolating sensitive low-voltage telemetry lines from moisture entry, chemical solvent films, and road salt spray. Highly vulnerable to external locking tab fractures or physical shroud chipping if field service technicians roughly pry at the locking mechanism with metallic screwdrivers during routine diagnostic teardowns, or if terminal tracks are warped using wrong tool picks.

Technical Attributes:

- Manufacturer Part Number: 6188-5542 / 61885542 (Brand: Sumitomo Wiring Systems / Genuine Factory Automotive Class)

- Product Series Taxonomy: RS Series Automotive Waterproof Interconnect System

- Configuration: 8-Position / 8-Way Male Tab Housing, Dual-Row 2x4 Block Layout

- Connector Style: Plug Cap Housing for Male Pin Tabs (Inline Free-Hanging Protective Shroud)

- Connection Layout Type: Wire-to-Wire Free-Hanging Inline Interconnect Channel

- Fastening & Locking Architecture: Features an integrated top-mounted external locking channel designed to snap cleanly onto matching female thumb-release mechanisms

- Base Structural Compound: Premium Polybutylene Terephthalate (PBT) high-impact, low-moisture-absorption engineering polymer

- Color Profile: Factory Solid Black Outer Shroud and Cavity Matrix

- Environmental Sealing Level: High-durability waterproof protection relying on an internal perimeter face seal and individual rubber single-wire entry path grommets to preserve absolute moisture-proof isolation

- Circuit Performance Thresholds: Certified for low-voltage signal distribution, delicate logic-level sensor lines, and automotive powertrain tracking networks

- Low Level Contact Resistance: Engineered to maintain a tightly capped 7mΩ maximum initial electrical path resistance

- Operational Thermal Window: High-endurance structural envelope certified for severe automotive cycles from -40°C up to +125°C

- Target Male Terminal Contacts (Not Included): Precision matched to receive standard Sumitomo RS Series 0.64mm (.025) male pin tabs matching your target wiring cross-section rules

- Associated Single Wire Seals (Not Included): Accommodates individual silicone rubber cavity seals sized to match outer conductor insulation diameters to maintain complete IP-rated watertight isolation

- Mating Counterpart Interface: Pairs seamlessly inline as the direct male partner to matching Sumitomo 8-way female plug housings, specifically part number 6189-7759 (or related female matching blocks)

- Commercial Access: Tiered B2B wholesale trade volume pricing breaks apply instantly inside your basket for independent tuning garages, loom remanufacturers, and trade auto-electrical stockists.