Hirschmann 872-858-541 SealStar 1.2mm 3-Way Female Plug

The Component: Genuine Hirschmann 872-858-541 3-way automotive sealed female connector plug. SealStar 1.2mm Series 3-position single-row socket receptacle casing (Black / PA66 GF25 / Sealed / Inline Protective Shroud / Coding A Keying Index / Component Alias: 872858541).

Applications & Fitment: Designed as a compact, high-performance factory original equipment (OE) harsh-environment connection solution for low-voltage signal distribution, critical powertrain telemetry, and high-vibration sensor arrays. Extensively specified across major European premium passenger car, commercial fleet, and motorcycle platforms—prominently relied upon within BMW, Mercedes-Benz, and VAG engine networks. It serves as the definitive factory female plug interface for engine block senders, camshaft position sensors (CMP), crankshaft position sensors (CKP), steering sub-assemblies, and localized emissions control drops.

Engineered specifically to meet demanding LV214 and USCAR2 severe-duty automotive test specifications, ensuring flawless data signaling and absolute moisture isolation in high-stress zones. Highly vulnerable to primary overhead mechanical locking latch arm breakage if forced or pried aggressively when brittle during cold ambient service cycles, or internal front silicone matrix face seal tearing if back-probed using raw, un-profiled workshop multi-meter diagnostic pins during field electronic troubleshooting.

Technical Attributes:

- Manufacturer Part Number: 872-858-541 / 872858541 (Brand: Hirschmann Automotive / Germany Genuine Premium Automotive Class)

- Product Series Taxonomy: SealStar 1.2mm Series / Waterproof Signal Interconnect Group (Single-Row)

- Configuration: 3-Position / 3-Way Female Receptacle Housing, Single-Row 1x3 Inline Architecture

- Connector Style: Plug Housing for Female Socket Contacts (Integrated Protective Mating Shroud)

- Connection Layout Type: Wire-to-Device or Wire-to-Wire Interconnect Channel

- Mechanical Keying Profile: Coding A (Standard Black Grid Track Alignment)

- Terminal Cavity Grid Centerline Pitch: Compact 4.0mm center-to-center cavity positioning layout

- Base Structural Compound: Premium Glass-Fiber Reinforced Polyamide (PA66 GF25) engineered for exceptional dynamic rigidity, vibration dampening, and resistance to chemical/thermal aging

- Color Profile: Factory Solid Black

- Fastening & Locking Architecture: Integrated robust heavy-duty overhead external mechanical thumb-latch locking arm with an audible feedback detent function; features a pre-assembled primary and secondary terminal lock via an integrated TPA latch frame

- Environmental Sealing Level: High-performance watertight, dustproof, and splashproof protection certified to IPX8 and IPX9K high-pressure washdown standards; utilizes an internal high-compression silicone rubber peripheral face seal and individual wire-entry tracking

- Circuit Performance Thresholds: Certified low-voltage vehicle logic and sensor network infrastructure handling (Voltage Class: ≤ 60V DC)

- Mechanical Robustness limits: Maximum mating/unmating force threshold capped strictly at ≤ 80 N

- Operational Thermal Window: Severe-duty operational parameters rated continuously from -40°C up to +150°C (TK4 / SG4/V3 vibration profile class matching engine bay environments)

- Target Female Terminal Contacts (Not Included): Fits standard Hirschmann SealStar 1.2 series Locking Lance (LL) female box socket crimp terminals, securely accommodating thin-wall conductor cross-sections up to 1.0mm² (such as TE Connectivity MCON 1.2 LL series C-1452674 or Kostal MLK 1.2-Sm series DOC00079128 / DOC00072546 arrays)

- Associated Single Wire Seals (Not Included): Relies on standard individual silicone rubber single-wire cavity insulation seals matching your target wire outer diameter limits to preserve structural waterproof vacuum integrity

- Mating Counterpart Interface: Pairs seamlessly inline as the direct female partner to matching Hirschmann SealStar 1.2 series 3-way male pin tab housing blocks, including the 872-858-541 matching male cap shell or corresponding engine device integrated component headers

- 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.