Hirschmann 805-121-521 3-Way Male SealStar 1.2 Connector

The Component: Genuine Hirschmann high-performance sealed male tab connector plug housing. SealStar 1.2 Series taxonomy / 3-position single-row linear male casing / Code A Keying Profile (Solid Black / PA66 GF25 / Sealed / 1x3 Grid Configuration / Male Inline Interface Plug / Component Variant Alias: 805-121-521 / Global Order Reference: 805121521).

Applications & Fitment: Engineered as a premium, compact original equipment (OE) wire-to-wire waterproof connection plug designed to protect critical low-voltage powertrain, sensor, and chassis signaling pathways. This 3-pin male tab housing is an established wiring harness staple across high-performance European passenger vehicles and cutting-edge electric vehicle (EV) architectures—frequently deployed for cam and crankshaft position sensors, electronic accelerator pedals, external ambient temperature senders, and compact radar or ultrasonic parking array links. It features a robust inline alignment shroud that guides the corresponding female plug seamlessly into position, shielding the internal 1.2mm male pins from accidental bending or twisting damage during field installation. Built to meet strict LV214 and VDA validation guidelines, this connector provides an uncompromising barrier against continuous engine bay heat cycles, aggressive high-pressure washdowns, salt spray exposure, and fluid films. Highly vulnerable to protective locking ramp fracture or rear seal retention clip damage if field mechanics roughly wedge tools into the mechanism during maintenance instead of depressing the matching female plug latch completely.

Technical Attributes:

- Manufacturer Part Number: 805-121-521 / 805121521 (Brand: Hirschmann Automotive / Genuine Factory Automotive Class)

- Product Series Taxonomy: SealStar 1.2 Interconnect System Family

- System Mechanical Keying: Code A Specification (Color-coded Solid Black Shroud Profile)

- Configuration: 3-Position / 3-Way Male Plug Housing, Single-Row 1x3 Linear Layout

- Physical Performance Standard: Built and tested in strict accordance with OEM LV214 / VDA heavy-duty automotive guidelines

- Connector Style: Male Plug Housing for Male Tab Contacts (Free-Hanging Inline Wire-to-Wire Interface)

- Fastening & Locking Architecture: Features an integrated top-mounted mechanical ramp latch notch that firmly catches the locking arm of the corresponding female socket assembly

- Secondary Locking System: Equipped with a pre-assembled internal terminal position assurance (TPA) front locking gate to ensure zero pin back-out under harness strain

- Mating Terminal Tab Envelope: Custom-engineered to shield standard 1.2mm nominal blade width clean-body male tab crimp terminals

- Base Structural Compound: Premium PA66 GF25 (25% Glass Fiber Reinforced Polyamide Nylon) for maximum thermal stability, dimensional memory, and impact toughness

- Color Profile: Factory Standard Solid Black housing with high-visibility internal yellow silicone perimeter matrix seal

- Environmental Sealing Level: High-performance waterproof and dustproof isolation certified up to IPX7, IPX8 (immersion), and IPX9K (high-pressure steam washdown) thresholds

- Low-Voltage Circuit Threshold: Engineered for modern vehicle low-voltage signal and power networks operating below 60V DC continuous

- Operational Thermal Window: Severe-duty engine compartment envelope certified to maintain structural elasticity and seal compliance from -40°C up to +150°C

- Target Male Terminal Contacts (Not Included): Precision optimized to accept standard 1.2mm clean-body male tab crimp pins (including matching TE Connectivity MCON 1.2 series or equivalent Kostal MLK male blades)

- Associated Wire Sealing Grommets (Not Included): Requires individual single-wire silicone rubber cavity seals (SWS) matched to target wire insulation outer diameters to preserve full IP-rated sealing

- Mating Counterpart Interface: Pairs seamlessly inline as the direct male partner to matching 3-way female Hirschmann SealStar 1.2 socket housings (such as part number 805-121-511 or corresponding series variants)

- Commercial Access: Available as loose individual housing shells or convenient multi-piece trade repair connection bundles. Tiered B2B wholesale trade volume pricing breaks apply instantly inside your basket for independent garages, loom remanufacturers, and trade auto-electrical stockists.