Customized Connector Seals & Housing Seals

Ear-Type Sealing Strip For Connector is designed for connectors that require additional fixing functions to enhance the sealing effect and have anti-mistake and anti-error functions.

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Customized Connector seals Housing Seals

Customized Connector Seals & Housing Seals for Automotive & Industrial Applications

Mingyu Sealing offers high-performance custom connector seals and housing seals designed for the automotive, EV, and industrial equipment industries. Our OEM-grade sealing solutions provide exceptional protection for electrical and sensor systems operating in harsh environments. Whether for engine wiring harnesses, EV battery connectors, or industrial control panels, we deliver durable, vibration-resistant, and waterproof seals to meet your specifications.

Product Overview

Our customized connector seals are engineered to protect critical wire harness and plug assemblies against moisture, dust, chemicals, and extreme temperatures. Made from high-quality silicone rubber and other performance elastomers, these automotive sealing components ensure long-term reliability under vibration and compression in both interior and exterior environments.

We specialize in tailor-made sealing solutions for:

Automotive connectors (engine control units, lighting systems, sensors)
Electric vehicle battery plugs
Industrial cable glands and enclosures
Agricultural equipment wiring seals

Key Features

High sealing performance against water, oil, and dust

Available in silicone, EPDM, FVMQ, and NBR rubber

Wide working temperature from -30°C to +105°C

Excellent durability under vibration and long-term compression

Custom sizes, shapes, durometer, and color options

RoHS and REACH compliant materials

Ideal for automotive plug seals, wire harness protection, and sensor integration

Technical Specifications

Parameter	Value / Options
Connector Seal & Plug Type	Peripheral Seal
Operating Temperature Range	-30 ~ +105 °C / -22 ~ 221 °F
Max Operating Temperature	105 °C / 221 °F
Primary Product Color	Red
Primary Product Material	Silicone Rubber
Material Options	Silicone, EPDM, FVMQ, NBR
Hardness (Shore A)	30 – 90
Color Options	Black, Red, Blue, Yellow, Custom
Tolerance	±0.05 mm or per customer requirements
Standard Compliance	RoHS, REACH, ISO/TS 16949

Application

Automotive connectors (engine control, lighting systems, etc.)
EV battery connectors
Sensor seals and harness protection
Industrial control panels
Agricultural machinery wiring harnesses

Customization Capabilities

As a professional custom sealing parts manufacturer, we offer full OEM and ODM services for plug and housing seal development.

Custom mold development from drawing or samples
In-house engineering team for DFM and optimization
Prototype and low-volume runs for new project validation
Strict material testing, compression set, and aging tests
Fast lead times and global delivery for automotive sealing components

Order & Sample Process

Share your drawings, samples, or technical specs
We provide DFM feedback and a quotation in 24–48 hrs
Sample mold + prototype made within 5–10 working days
Confirm samples and move into mass production
Final inspection, secure packaging, and international shipping

Quality Assurance

100% inspection before shipment
ISO9001 & IATF 16949 certified factory
All materials comply with RoHS and REACH standards
Customized testing reports available upon request
Proven sealing durability under vibration, heat, and mechanical stress

FAQ – Frequently Asked Questions

Q1: Can I customize the shape, size, and material of the seal?

A: Yes, we offer full customization for all connector seal types. You can specify dimensions, durometer, and material (e.g., EPDM, FVMQ, or silicone) based on your application.

Q2: What is your MOQ?

A: For most customized parts, we support small trial orders, especially for automotive sealing prototypes or R&D projects.

Q3: How long does it take to receive samples?

A: Around 5–10 business days after confirming the drawing or technical requirements.

Q4: Are your materials RoHS/REACH compliant?

A: Yes, all materials we use are fully compliant and tested. Material certification can be provided with each batch.

Q5: Which industries do you serve?

A: We mainly serve automotive (traditional & EV), industrial automation, and agricultural machinery. Our connector sealing systems are widely used by global OEMs.

Q6: Do you offer design assistance or co-development?

A: Absolutely. Our engineers support co-design, material selection, and design-for-manufacturability (DFM) reviews for every custom project.

Customized Connector Seals & Housing Seals for Automotive & Industrial Applications

OUR ADVANTAGES

Why Choose Mingyu

Mingyu Sealing Technology (Taicang) Co., Ltd has been established in 1995, the executive member of Chinese hydraulic pneumatic sealing industrial association, the well-known private technology enterprise in Jiangsu. The company is specialized in the production, development and marketing for rubber or plastic hydraulic sealing.