Original Bosch 1928300599 / 1 928 300 599

BDK 2.8 / Single Wire Seal / ∅ 1.2 - 2.1 mm / Blue

Manufacturer Bosch

Product Type Single Wire Seal

Colour blue

Bosch 1928300599 BDK/JPT 2.8 Series Single-Wire Silicone Cavity Seal

Isolate critical terminal connections and protect low-voltage automotive circuits against moisture ingress with the genuine Bosch 1928300599 single-wire cavity seal. Precision-molded to strict Tier-1 original equipment standards by Bosch, this high-flexibility blue silicone rubber grommet is designed for the high-performance BDK, BSK, and Junior Power Timer (JPT) 2.8mm interconnect families. Featuring a precise multi-ribbed external compression profile, it establishes an airtight, IP67-rated environmental barrier within the connector housing cavity to block out water, road salt spray, industrial washdowns, and engine fluids.

The 1928300599 variant features a distinctive blue color profile for rapid visual identification during harness assembly or diagnostic servicing. It is engineered specifically to seal thin-to-medium wall automotive cabling with an insulation outer diameter tracking between 1.2mm and 2.1mm (ideal for conductor cross-sections spanning 0.35mm² to 1.0mm²). Optimized for 2.8mm mid-format terminal systems, this resilient silicone seal is crimped directly via the terminal's insulation wings to provide absolute strain relief and fluid defense. It is universally deployed across European passenger and commercial vehicle platforms—crossing directly to Mercedes-Benz (A0005452839) and VW/Audi (7E0972744E) networks—to seal high-exposure engine bay sensors, lighting nodes, and chassis junction looms.

### Engineering Specifications & Technical Attributes:

* **Manufacturer Part Number:** 1928300599 (Alternative: 1 928 300 599)

* **OEM Cross-References:** Mercedes-Benz A0005452839 | VAG 7E0972744E | Iveco 500382761

* **Component Type:** Single-Wire Cavity Seal (SWS) / Wire Grommet

* **Terminal Series Compatibility:** Bosch BDK 2.8 / BSK 2.8 / JPT 2.8mm series

* **Insulation Diameter Capacity:** Accommodates wire outer diameters from 1.2mm to 2.1mm

* **Conductor Range Compatibility:** Fits $0.35\text{ mm}^2$ to $1.0\text{ mm}^2$ (22–16 AWG) cabling

* **Material Substrate:** High-grade, fluid-stabilized Blue Silicone Rubber

* **Environmental Protection:** Meets IP67 submersion resistance parameters

* **Commercial Access:** Tiered B2B trade volume brackets apply automatically at checkout for fleet service bays, custom auto-electrical workshops, and commercial wire loom fabricators.