AMP Econoseal Sealing Plug – Cavity Plug for Unused Positions in Econoseal III Connector Housings
The AMP Econoseal Sealing Plug (172748-1) is a precision-moulded cavity sealing plug designed to block and seal unused contact positions in AMP (TE Connectivity) Econoseal III connector housings. An essential sealing component for any motorsport harness builder in Norway, Sweden, and Denmark working with Econoseal III connectors who needs to achieve fully rated environmental sealing across all connector assemblies, regardless of how many circuit positions are populated.
Sealing Plugs vs Wire Seals – Understanding the Difference
Cavity sealing plugs and individual wire seals serve different purposes in a sealed connector assembly. Wire seals seal around a wire and are installed on populated contact positions. Cavity sealing plugs fill and seal positions where no contact or wire is installed. Both are required to achieve the connector’s rated IP protection level. A connector with populated positions using wire seals but unplugged empty cavities has no meaningful environmental protection at the empty positions – moisture and contamination will enter freely through them.
Motorsport Harness Applications
- Econoseal III connectors with unused circuit positions
- Multi-way Econoseal housings where spare positions are reserved for future circuits
- OEM harness repair where original cavity plugs have been lost
- Custom performance harness builds using Econoseal III as a cost-effective sealed connector option
Specifications
- Brand: AMP / TE Connectivity
- Series: Econoseal III
- Type: Cavity sealing plug
- Function: Seals unused contact cavities in Econoseal III housings
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