Yazaki 7123-7444-40 SWP 4-Way Female 1.8mm Connector Housing

The Component: Genuine Yazaki OEM 4-position female socket housing / SWP Series 1.8mm (070) waterproof wire-to-wire automotive connector plug / Compact 1x4 single-row inline cavity layout / Top primary locking latch lever with internal silicone wire seal matrix and secondary terminal lock retainer / Molded from high-grade, heat-resistant Polybutylene Terephthalate (PBT) resin / Component Part Number: 7123-7444-40 / Alternate Identifiers: Yazaki 7123-7444-40 / 7123744440 / SWP 070 4-Pin Female Plug / 1.8mm 4-Way Female Housing / IP67 Sealed 4-Pin Receptacle / Toyota O2 Sensor Plug 7123-7444-40 / Yazaki Wire-to-Wire Female Plug Light Gray.

Applications & Fitment: High-reliability waterproof female electrical connector housing engineered for engine management, chassis sub-harnesses, exterior lighting, and powertrain sensors across Toyota, Lexus, Nissan, Honda, and global OEM vehicle platforms. Designed specifically to accept four 1.8mm (070 series) SWP female socket crimp contacts with individual silicone single-wire seals (SWS) on a 1x4 inline grid layout. Mates directly with male inline housing Yazaki 7222-7444-40. Widely specified for heated oxygen sensors (Lambda sensors), windshield wiper motor assemblies, alternator regulator harnesses, and front lighting junction looms requiring full IP67 weatherproofing integrity. Engineered to withstand severe engine bay vibration, oil and chemical exposure, road spray, and extreme thermal cycling (-40 to 120 degrees Celsius). Essential stock for auto-electricians, Japanese vehicle specialists, harness builders, and trade distributors.

Technical Attributes:

- OEM Part Number: 7123-7444-40 / 7123744440 (Manufacturer: Yazaki Corporation)

- Product Component Classification: 1.8mm (070 Class) Female Socket Terminal Connector Housing Device

- Connector Family Series: Yazaki SWP Series

- Application Profile: Cable-to-Cable Inline Wire-to-Wire Connections

- Connection Type: Wire-to-Wire Female Receptacle Plug

- Total Position Count: 4-Way / 4-Pin Female Plug (4 Poles)

- Cavity Layout Matrix: 1 Row x 4 Columns Inline Profile

- Compatible Terminal Blade Width: 1.80 mm (070 Series Class) Female Socket Contacts

- Terminal System Compatibility: Accepts Yazaki SWP / 070 series female socket crimp terminals (e.g., 7114-1470 / 7114-1471 series) and individual silicone single-wire seals (SWS) / cavity plugs

- Directly Mating Part Number: Yazaki 7222-7444-40 (4-Way Male Housing Plug)

- Environmental Sealing Capability: Weatherproof / Waterproof Fully Sealable (IP67 Rated with SWS)

- Structural Material Base: Premium Grade Polybutylene Terephthalate (PBT)

- Color Profile: Factory Light Gray Body with Internal Silicone Interface Seal

- Operating Temperature Limit: -40 to 120 degrees Celsius

- Commercial Procurement Status: Provided as an individual unpopulated 4-way female housing assembly or as a complete repair kit including terminals and seals depending on stock configuration. Crimp terminals, wire seals, and mating male housing (7222-7444-40) sold separately. Multi-tier trade volume discounts apply automatically at checkout.