Sumitomo 6070-4481 4-Way Female Unsealed Connector | 250 ET Type

The Component: Genuine Sumitomo OEM 4-position unsealed female receptacle housing / Premium Sumitomo 250 ET Type automotive plug block / 4-way 2x2 dual-row configuration layout / Integrated internal housing lance terminal locking system / Molded from premium, impact-resistant, natural-coloured polyamide polyamide/PBT / Component Part Number: 6070-4481 / Alternate Engineering Identifier: 60704481.

Applications & Fitment: Heavy-duty, high-current unsealed multi-pole connector interface engineered primarily for dry-zone automotive electrical wiring harnesses, cabin distribution blocks, and high-load auxiliary control systems. Widely utilized across classic and contemporary Japanese vehicle platforms for reliable power distribution, dashboard control switches, and steering column interfaces. Designed explicitly for use with Sumitomo 250 type (6.0mm/6.3mm) flat female blade socket contacts. Because this series utilizes a housing lance retention mechanism, the terminals cleanly click into place and are held firmly without the need for a separate secondary lock piece. Engineered to handle continuous ambient cabin environments and thermal exposure ranging from -40 up to 120 degrees Celsius. An essential stock component for automotive loom restorations, auxiliary component wiring, and specialist trade distributors.

Technical Attributes:

- Manufacturer Part Number: 6070-4481 / 60704481 (Brand: Sumitomo Wiring Systems)

- Product Component Classification: 250 ET Type Unsealed Series Female Housing

- Total Position Count: 4-Way / 4-Cavity Female Plug

- Cavity Layout Matrix: 2x2 Dual-Row Square Configuration Profile

- Terminal System Tab Size Compatibility: 6.0mm / 6.3mm (250) Flat Tab Series

- Terminal Retention Style: Internal Housing Lance Mechanism (No independent TPA required)

- Ingress Protection Status: Non-Waterproof / Unsealed Environment Rating

- Pitch/Spacing Geometry: 9.0mm Terminal Center Pitch / 5.5mm Row Spacing

- Structural Material Base: Premium Heat-Stabilized Polyamide / PBT

- Colour Profile: Factory Natural / Uncolored White

- Temperature Application Rating: -40 to 120 degrees Celsius

- Commercial Procurement Status: Provided as a standalone unpopulated 4-way female connector housing. Flat female crimp socket terminals and mating male 250-type housings are supplied independently. Automatic wholesale volume price breaks apply at checkout.