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Helps maintain sealing performance when circuits change
Sealing plugs support platform builds where some connector positions remain unused in certain harness variants.
Reduces contamination paths at the rear cavity area
TE notes that open cavities can let contaminants enter the connector. Sealing plugs address that gap.
Supports faster service and rework
When a circuit is removed and the cavity is left open, adding a sealing plug helps keep the connector sealed for continued use.
Simple fit check for engineers
The product table and part pages provide drawings and 3D files to support packaging checks.
Our AMPSEAL 16 sealing plugs are available for standard or reduced diameter cavities.
To request a sample:
If you are validating a harness variant, samples can help you confirm cavity fit, flush seating, and the assembly flow before release. Pick a sealing plug part number from the product list and request samples from the part page when available.
| Feature | Specification |
|---|---|
| Product | AMPSEAL 16 connector sealing plugs |
| Function | Non-conductive dummy plug used to fill an open cavity |
| Cavity size options on this page | Size 16 cavity and size 20 cavity |
| Standard or reduced diameter cavities | Sealing plugs are available for standard or reduced diameter cavities |
| Material | PBT GF15 |
| UL flammability rating | UL 94HB |
| Colors | Yellow and natural |
Chassis harness junctions
Use sealing plugs when a multi-position connector is used as a standard interface but not every circuit is populated.
Engine bay options and sensor variants
Sealing plugs help when sensor content changes by vehicle trim, market, or powertrain variant.
Brake, lighting, and auxiliary modules
Helpful when one connector footprint supports several feature sets across the same platform.
Service and retrofit work
After circuit removal, a sealing plug helps close the cavity so the connector is not left open to the environment.
Q: What is an AMPSEAL 16 connector sealing plug?
A: It is a non-conductive plug used to fill an open connector cavity. It supports the environmental seal when a cavity is not populated with a contact.
Q: Why do unused cavities matter in harsh environments?
A: TE notes that open cavities can provide pathways for contaminants to enter the connector. Filling unused cavities helps maintain seal integrity.
Q: How do I choose size 16 versus size 20 cavity?
A: Match the sealing plug to the cavity size used in your connector configuration. This page lists both size 16 cavity and size 20 cavity options.
Q: What does “standard or reduced diameter cavities” mean here?
A: AMPSEAL 16 connector sealing plugs on this page are listed as compatible with standard or reduced diameter cavities. Match this to your connector’s cavity and seal design.
Q: How do I install sealing plugs during assembly?
A: TE’s assembly guidance describes inserting sealing plugs from the rear into empty cavities and pushing them until they sit flush. The TPA then helps lock them in place during final assembly.
Q: Where do I get drawings and 3D files?
A: Open the part number page for the sealing plug. Part pages provide product drawings and 3D files.
Q: Can I request samples?
A: Many individual sealing plug part pages support “Get a sample” or similar actions, depending on availability and login status. Select a part number from the list, then request samples on the part page when that option is shown.
Please review product documents or contact us for the latest agency approval information.
AMPSEAL 16, TE Connectivity, and TE connectivity (logo) are trademarks.
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