Bosch 1928404761 Secondary Lock 58-Way 2.8mm | 154P EMS  

The Component: Genuine Bosch OEM 58-way secondary terminal locking insert / TPA (Terminal Position Assurance) retainer clip / Engineered specifically for 2.8mm terminal cavities within Bosch 154P-E EMS series ECU connector housings / Molded from 50% glass-fiber reinforced, heat-stabilized PA66 resin / Component Part Number: 1 928 404 761 / Alternate OEM Identifiers: 1928404761 / 1-928-404-761.

Applications & Fitment: Essential secondary locking component engineered for Bosch 154P-E / 154P EMS heavy-duty electronic engine control unit (ECU / ECM) harness connectors (e.g., 96-pin and 154-pin BODAS / Rexroth / Bosch ECU connector assemblies). Pushes directly into the 58-way section of the connector block to lock the 2.8mm power/ground terminal pins firmly in position. The TPA retainer acts as an indispensable fail-safe that eliminates terminal back-out caused by engine vibration, thermal expansion, or loom tension. Widely used across commercial vehicle, heavy plant, agricultural machinery (Rexroth BODAS controllers), and performance motorsport ECU wiring harnesses. Essential catalog stock for commercial auto-electricians, ECU harness builders, and automotive trade distributors.

Technical Attributes:

- OEM Part Number: 1 928 404 761 / 1928404761 (Manufacturer: Bosch)

- Product Component Classification: Secondary Locking Clip / TPA Retainer

- Connector Series Family: Bosch 154P-E EMS / Compact 1.2 / 2.8 Series

- Target Cavity Profile: Locks 58-Way Section (2.8mm Terminal Contacts)

- Primary Function: Secondary Terminal Position Assurance & Retainer Interlock

- Structural Material Base: Premium PA66 GF50 (Polyamide 66, 50% Glass Fiber Reinforced)

- Color Profile: Factory Lilac / Magenta

- Operating Temperature Limit: -40 to 125 degrees Celsius

- Commercial Procurement Status: Provided as an individual secondary locking retainer clip. Main 154P-E 58-way contact carrier housings, backshell covers, 2.8mm crimp terminals, and wire seals are sold separately. Multi-tier trade volume discounts apply automatically at checkout.