Kostal 09405621 2-Way Female MLK 1.2 Sealed Connector Housing
Our part2-AC523A RoHS
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This is a genuine KOSTAL part. Cheaper copies sold under the same part number can look identical but may not seal, lock or carry current the same way.
- Manufacturer-made
- Traceable
- Certificate of Conformity on request
Product description
The Component: Genuine Kostal Kontakt Systeme OEM 2-position female socket housing / Premium MLK 1.2 Sealed Series waterproof automotive connector plug / Compact 1x2 single-row inline cavity layout / L100 profile with Coding A1 keying / Integrated short Connector Position Assurance (CPA) clip and active Terminal Position Assurance (TPA) secondary retainer / Internal perimeter silicone weather seal / Molded from heat- and chemical-resistant PBT resin / Component Part Number: 09 4056 21 / Alternate OEM Identifiers: 09405621 / 9405621 / Kostal 09405621 / MLK 1.2 Series 2-Way Female Black / Engine Bay & Solenoid Valve Sensor Plug.
Applications & Fitment: High-reliability waterproof female electrical connector housing engineered for severe under-bonnet and chassis sensor sub-harnesses across global OEM vehicle platforms (GM, Opel, Chevrolet, Ford, Buick, VAG, BMW). Widely specified for variable valve timing (VVT) solenoid valves, camshaft/crankshaft position sensors, fuel pressure regulators, horn sub-harnesses, and engine management sensors requiring 1.2mm MLK female receptacle contacts and wire seals. Engineered to withstand continuous engine vibration, fluid spray, oil exposure, and extreme thermal cycling (-40 to 125 degrees Celsius). Essential stock for auto-electricians, engine repair specialists, wire harness builders, and automotive trade distributors.
Technical Attributes:
- OEM Part Number: 09 4056 21 / 09405621 / 9405621 (Manufacturer: Kostal Kontakt Systeme)
- Product Component Classification: 1.2mm MLK Female Receptacle Housing Device
- Connector Family Series: Kostal MLK 1.2 Sealed Series (L100 Profile, Coding A1)
- Total Position Count: 2-Way / 2-Pin Female Plug
- Cavity Layout Matrix: 1 Row x 2 Columns Inline Configuration Profile
- Compatible Terminal Blade Width: 1.20 mm (.047 MLK System)
- Terminal System Compatibility: Accepts Kostal MLK 1.2 female crimp socket contacts (e.g., 32124734110, 32124734120, 32124734130 series) and individual wire seals (e.g., 10080436 series)
- Ingress Protection Status: Weatherproof / Waterproof Fully Sealable (IP67 / IP6K9K Class)
- Secondary Locking Mechanisms: Features integrated CPA (Connector Position Assurance) lock and active TPA retainer
- Structural Material Base: Premium Heat-Stabilized Polybutylene Terephthalate (PBT)
- Color Profile: Factory Solid Black Body
- Operating Temperature Limit: -40 to 125 degrees Celsius
- Commercial Procurement Status: Provided as an individual unpopulated 2-way female housing assembly. Female crimp contacts, wire seals, and mating male connector housing assemblies (e.g., Kostal 9302221 series) are sold separately. Multi-tier trade volume discounts apply automatically at checkout.