The Component: Genuine Bosch high-performance automotive cavity blanking plug. Matrix 1.2 Clean Body (CB) Series taxonomy / 196P EMS Dummy Terminal / Unused Cavity Blocking Pin / Standard Fitment Profile (Jet Black / Premium Glass-Reinforced PA66 GK / Waterproof Interface Seal / Form-Fit 1.0mm² to 1.5mm² Terminal Path Profile / Component Variant Alias: 1-928-405-460 / Global Order Reference: 1928405460).

Applications & Fitment: Engineered as a premium, original equipment (OE) specification service component designed explicitly to block and protect unused conductor paths inside high-density automotive engine management connectors. This Matrix 1.2 series dummy terminal plug is a critical wiring loom staple across modern European passenger cars, commercial transport vehicles, and heavy-duty industrial machinery setups—specifically optimized to seal vacant openings inside multi-pin Bosch 196P EMS engine control unit (ECU) receptacle block connectors (such as 1928405452 and 1928405455 housing variants). Rather than utilizing a generic external wire seal configuration, this specialized hard-polymer dummy pin inserts directly into the primary terminal cavity paths from the rear of the wire dress block. Once fully home, it relies on the connector's internal Clean Body (CB) housing lances to snap permanently into position, providing an absolute structural block that prevents the high-performance silicone mat seal from distorting or leaking under intense under-hood pressure cycles. Engineered to withstand rigorous tier-1 automotive environmental validation standards, it forms an impermeable barrier against high-pressure washdowns, road salt spray, engine vibration tracking, and aggressive oil mist exposure. Essential for maintaining full IP-rated waterproof compliance on custom wire harness deletions, retrofits, or variant-specific ECU loom builds.

Technical Attributes:

- Manufacturer Part Number: 1928405460 / 1-928-405-460 (Brand: Bosch / Automotive Genuine Component Class)

- Product Series Interconnect Family: Matrix 1.2 Clean Body (CB) / 196P EMS System Accessories

- Component Structural Type: Dummy Terminal / Cavity Blanking Plug Pin

- Target Cavity Profile Window: Specially dimensioned for Matrix 1.2mm series clean-body terminal paths matching 1.0mm² to 1.5mm² wire gauge sizing structures

- Primary Housing Locking System: Smooth Clean Body (CB) side tracking profiles designed to capture internal housing plastic lances safely

- Structural Material Compound: Premium Glass-Sphere Reinforced Polyamide (PA66 GK) engineering polymer for exceptional dimensional rigidity, thermal stability, and long-term chemical resistance

- Color Profile: Factory Standard Jet Black blanking rod profile

- Environmental Sealing Level: Complete waterproof and dustproof internal cavity isolation when seated against matching internal connector silicone mat seals

- Low-Voltage Circuit Threshold: Material certified safe for standard low-voltage control and power management arrays operating below 32V DC continuous

- Operational Thermal Window: Severe-duty engine block mounting envelope certified to maintain structural form and locking stability from -40°C up to +130°C

- Core System Alternative Warning: Form-fitted exclusively for the larger 1.0mm² to 1.5mm² Matrix signal cavities. For sealing smaller signal cavities rated at 0.75mm² or below, use corresponding sister part number 1928405459.

- Commercial Access: Available in standard trade repair loose piece packages or volume installation boxes. Tiered B2B wholesale trade volume pricing breaks apply instantly inside your basket for independent garages, loom remanufacturers, and trade auto-electrical stockists.