Dummy Seal Red

Dummy Seal Manufacturer – Silicone Dummy Plug Seal for Automotive Connectors

ARPL manufactures high-quality dummy seals for automotive wiring harness applications requiring reliable sealing of unused connector cavities. As a leading dummy seal manufacturer in India, we supply dummy plug seals to OEM and Tier-1 wiring harness manufacturers serving global automotive programs. This silicone dummy seal provides essential IP67/IP68 environmental sealing for empty positions in multi-pole connectors.

Dummy seals are installed in connector cavities where no wire is present. Unlike connector seals that seal around wires, dummy seals are solid plugs that completely seal unused positions. Applications include ECU connector dummy seals, sensor connector dummy seals, EV battery connector dummy seals, and any multi-pole connector where some wire positions are not used in a particular vehicle variant or configuration.

High Temperature Silicone Dummy Seal Properties

This automotive dummy seal is manufactured from silicone rubber (VMQ) material, selected specifically for its exceptional temperature resistance and long-term stability. High temperature silicone dummy seals are the preferred choice for demanding automotive environments.

• High Temperature Dummy Seal -55°C to +200°C: Continuous operation with intermittent capability to +230°C
• UV and Ozone Resistant: Excellent weathering resistance for exterior connector applications
• Low Compression Set: Maintains sealing force over extended periods under thermal cycling
• Chemical Resistant: Resistant to automotive fluids and environmental contaminants
• RoHS and REACH Compliant: Meeting automotive environmental standards

ARPL also offers alternative materials for dummy seal development: NBR for oil/fuel resistance (-40°C to +120°C), EPDM for weather/ozone resistance, and other elastomers based on application requirements.

Why Choose ARPL – Dummy Seal Manufacturer

With over 30 years as an ISO 9001 and IATF 16949 rubber components manufacturer, ARPL delivers manufacturing excellence in dummy seals for wiring harness manufacturers including high-precision tooling, flash control with cryogenic deflashing, zero-defect quality systems, and full PPAP support. We serve as a dummy seal supplier to customers in Germany, USA, Mexico, Turkey, Brazil, UK, UAE, Thailand, Vietnam, Poland, Czech Republic, and Hungary.

Related Sealing Products

Explore our connector seals for wire entry positions, rubber grommets for wiring protection, rubber O-rings and sealing rings, and rubber gaskets and sealing solutions.

Industry Applications for Dummy Seals

Our Dummy Seal Red is engineered to provide reliable IP67/IP68 waterproof protection for unused connector cavities across automotive, commercial vehicle, and EV applications. Dummy seals are essential components in multi-pole connectors where not all wire positions are used, ensuring complete environmental sealing regardless of connector configuration.

Vehicle Segment Applications

ARPL supplies dummy seals to OEMs and Tier-1 wiring harness manufacturers serving diverse vehicle segments:

• Passenger Cars: ECU connectors, body control modules, infotainment connectors with unused positions
• Commercial Vehicles: Fleet management connectors, telematics modules, configurable sensor arrays
• Electric Vehicles (EV): Battery management connectors, charging interface connectors, motor controller interfaces
• Hybrid Electric Vehicles (HEV/PHEV): Power electronics connectors, dual-powertrain control modules
• Motorcycles: Compact ECU connectors, dashboard interface connectors
• Off-Highway Vehicles: Configurable control modules for construction and agricultural equipment

Why Dummy Seals Are Essential

Dummy seals play a critical role in maintaining connector integrity:

• IP67/IP68 Protection: Maintains waterproof rating even with unused cavities
• Variant Management: Same connector housing used across vehicle variants with different wire configurations
• Future Expansion: Seals positions reserved for future feature additions or market-specific options
• Cost Efficiency: Reduces connector housing variants by sealing unused positions
• Assembly Verification: red colour provides visual confirmation of correctly sealed unused positions
• Quality Assurance: Ensures complete environmental sealing passes end-of-line testing

Dummy Seal vs Connector Seal Comparison

Understanding the difference between dummy seals and connector seals:

• Dummy Seal: Solid plug that completely seals unused (empty) connector cavities
• Connector Seal: Has a centre hole to seal around a wire entering the connector
• Application: Dummy seals for unused positions, connector seals for wired positions
• Both Provide: IP67/IP68 waterproof protection when properly installed

Industry Standards & Compliance

Our dummy seals are manufactured to meet stringent automotive industry requirements:

• IP67/IP68 Protection: Dust-tight and water immersion resistant when properly installed
• Temperature Range: -55°C to +200°C continuous operation
• Material Compliance: RoHS compliant, REACH compliant, ELV compliant
• Quality Certification: Manufactured under ISO 9001:2015 and IATF 16949:2016 quality management systems
• Automotive Testing: Tested per OEM specifications for compression set, thermal aging, and weathering
• PPAP Support: Full Production Part Approval Process documentation available

Why Choose Silicone Material for Connector Seals?

Silicone Rubber (VMQ) is the preferred elastomer for high-temperature automotive connector seals due to its unique combination of properties:

• Extreme Temperature Range: Operates from -55°C to +200°C continuous, with intermittent capability to +230°C
• UV and Ozone Resistance: Excellent weathering resistance for exterior and exposed applications
• Low Compression Set: Maintains sealing force over extended periods even under thermal cycling
• Excellent Low-Temperature Flexibility: Remains flexible in extreme cold where other materials become brittle
• Electrical Insulation: Good dielectric properties for high-voltage EV applications
• Long Service Life: Resistant to aging, oxidation, and degradation over time

Looking for a different material? ARPL also manufactures connector seals in NBR for oil-resistant applications (-40°C to +120°C), EPDM for weather sealing, HNBR for combined oil resistance and higher temperature, and FKM (Viton) for extreme chemical and temperature resistance. Contact our engineering team for material selection assistance.