Automotive Rubber Parts

Automotive rubber parts are rubber products used in automobiles, including rubber bellows, rubber seals, rubber shock absorbers, rubber gaskets,rubber grommets,rubber bushings,rubber mounts, and rubber hoses. Automotive rubber parts play an important role in the safety, comfort, and fuel efficiency of automobiles.

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We Take All Automotive Rubber Parts

Automotive Rubber Parts play a significant role in vehicles, contributing to various functions and components. These parts are designed using rubber materials due to their flexibility, durability, and resistance to environmental factors. Here are some common automotive rubber parts:

Rubber Gaskets

  • Engine gaskets: Used to protect the various components of the engine to prevent wear.
    Transmission gaskets: Used to protect the various components of the transmission to prevent wear.
  • Steering system gaskets: Used to protect the various components of the steering system to prevent wear.
  • Suspension system gaskets: Used to protect the various components of the suspension system to prevent wear.
  • Body gaskets: Used to protect the various components of the body to prevent wear.

Rubber Seals

  • Engine seals: Used to seal the various components of the engine to prevent leakage of oil, coolant, etc.
  • Transmission seals: Used to seal the various components of the transmission to prevent leakage of lubricant oil.
  • Steering system seals: Used to seal the various components of the steering system to prevent leakage of steering fluid.
  • Suspension system seals: Used to seal the various components of the suspension system to prevent leakage of lubricant oil.
  • Body seals: Used to seal the various components of the body to prevent water, dust, etc. from entering the interior.

Rubber Hoses

Hoses are used to transmit liquids or gases. The main hoses on automobiles include:

  • Coolant hoses: Used to transmit coolant.
  • Fuel hoses: Used to transmit fuel.
  • Lubricant oil hoses: Used to transmit lubricant oil.
  • Vacuum hoses: Used to transmit vacuum.
  • Air hoses: Used to transmit air.

Rubber Bellows

  • Expansion joints: Rubber bellows are used to absorb expansion and contraction in pipes and other structures.
  • Vibration isolation: Rubber bellows are used to isolate vibration and noise.
  • Protection: Rubber bellows are used to protect equipment from damage.

Rubber Grommets

  • Rubber grommets are used in the electrical system to protect wires and cables from damage.
  • Rubber grommets are also used in the suspension system to seal gaps and prevent leaks.

Rubber Shock Absorbers

  • Suspension shock absorbers: Used to absorb the shock of the suspension system, improving ride comfort.
  • Engine shock absorbers: Used to absorb the vibration of the engine, improving ride comfort.

Contact us today for a quote on Automotive Rubber Products.

Automotive Rubber Components

Automotive rubber products are a critical component of every vehicle. They are used to seal, protect, and cushion a wide variety of automotive components.

A wide variety of Automotive Rubber Components:

  • Seals and Gaskets: Used to prevent leaks and maintain airtight or watertight seals in engines, transmissions, doors, windows, and other vehicle parts.
  • Mounts and Bushings: Absorb vibrations and shocks, providing cushioning and stability for the engine, suspension, and other components.
  • Hoses and Tubing: Transmit fluids like coolant, fuel, brake fluid, and air throughout the vehicle’s systems.
  • Belts: Rubber belts, such as timing belts and drive belts, transmit power from the engine to various components like the alternator, water pump, and air conditioning compressor.
  • Weather Stripping: Rubber components around doors, windows, and trunks that create a weatherproof seal, preventing water and air infiltration into the vehicle.

Benefits of Automotive Rubber Products:

  • Sealing: Prevent leaks in critical areas, maintaining the integrity and efficiency of vehicle systems.
  • Vibration Dampening: Reduce noise, vibration, and harshness (NVH) by absorbing shocks and vibrations, improving ride comfort.
  • Fluid Transportation: Facilitate the flow of fluids between different vehicle systems without leakage or contamination.
  • Power Transmission: Belts transfer power from the engine to auxiliary components, ensuring proper functioning.
How to produce high-quality Rubber Automotive Parts?

We're There Every Step of The Way

1. Material Selection

 – Select the appropriate rubber compound based on the product’s requirements (e.g., hardness, flexibility, resistance).


– Mix and blend the rubber compound with additives, fillers, and curing agents to achieve the desired properties.

rubber raw material keep room
rubber mold keep room

2. Mold Preparation:

 – Design the mold according to the product’s specifications, including size, shape, and details.

– Fabricate the mold using materials such as metal or silicone, ensuring it’s precise and durable.

– Apply mold release agents to prevent sticking during the molding process.

3. Loading and Preforming:

 – Place a measured amount of the prepared rubber material, known as a “charge,” into the mold cavity.


– Distribute the charge evenly to ensure uniformity in the final product’s shape and properties.

4. Compression Molding:

– Close the mold under controlled pressure to compress the rubber charge.

– Heat the mold to the curing temperature, causing the rubber to soften and flow to fill the mold cavity.


– Apply consistent pressure throughout the curing phase to achieve proper material distribution and reduce defects.

5. Curing:

– Maintain the mold at the curing temperature for a specified duration to facilitate cross-linking and vulcanization of the rubber.


– The curing time and temperature are determined by the rubber compound’s characteristics.

rubber curing
rubber bellows

6. Cooling and Demolding:


– After curing, allow the mold to cool gradually to prevent thermal shock and maintain the final product’s dimensional stability.


– Open the mold and carefully remove the cured rubber product, known as the “green part.”

7. Trimming and Finishing:

 – Trim excess flash or overflow material from the green part using tools or machinery.


– Perform additional finishing processes, such as buffing or grinding, to achieve the desired appearance and dimensions.

Free samples for evaluation

8. Quality Control and Testing:

– Inspect the finished product for defects, such as air pockets, voids, or surface imperfections.


– Conduct quality tests to ensure the product meets specifications, including hardness, tensile strength, and other relevant properties.

9. Packaging :

– Design packaging that provides protection and fits the product’s dimensions.

– Use appropriate cushioning materials to prevent damage during transportation.

– Label packages with product information, barcodes, and handling instructions.

rubber factory warehouse
rubber parts shipment

10.Transportation:

-Determine optimal transportation methods, routes, and carriers.

-Load packaged products onto transportation vehicles securely.

-Instruct handlers on proper handling techniques to prevent damage.

-Monitor shipments for adherence to delivery schedules.

-Ensure compliance with customs regulations for international shipments.

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Questions You May Have

Questions you may have...

Yes, we offer free samples for our clients to test and evaluate the quality of our products.

We prioritize quality control throughout our production process, from raw material selection to final product inspection. We also have various certifications, including ISO 9001, ISO/TS 16949, and RoHS, to ensure that our products meet the highest quality standards.

Yes, we have the ability to customize our rubber parts based on clients’ specific needs, including rubber special-shaped parts design and development. Our team of experts will work closely with clients to ensure that we deliver high-quality rubber parts that meet their unique requirements.

Absolutely, we would be happy to provide you with our full catalogue. You can access our catalogue by sending an email. Our catalogue includes detailed information about our wide range of products, including specifications, materials, and customization options. If you have any specific requirements or questions about our products, please feel free to contact us and our team will be happy to assist you.

Our pricing is based on several factors, including the materials used, the complexity of the design, the quantity ordered, and any customization options requested. We offer competitive pricing and strive to provide the best value for our customers. If you have a specific product in mind, please contact us with your requirements and we will be happy to provide you with a quote. Our team can work with you to find the most cost-effective solution that meets your needs.

Absolutely! We are committed to providing full support to our customers after they purchase our products. Our customer service team is available to answer any questions you may have and to assist you with any issues that may arise. We also offer a warranty on our products to ensure that you are fully satisfied with your purchase. So, you can trust us to provide the support you need even after your purchase is complete.

Yes, we do support factory audits. We understand that choosing the right supplier can be a daunting task, which is why we are committed to providing our clients with the highest quality products and services. As a reliable supplier, we are happy to participate in factory audits to ensure that our clients are confident in our abilities and trust in our business. Please contact us for further information and assistance in scheduling a factory audit.

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Custom Rubber Parts with Easy

At Julong Rubber, We turn complex Into Simple! Follow the following 3 steps to start today!

Tell Us What You Need

Tell us as specific as possible of your needs, provide the drawing, reference picture and share your idea.

Get Solution & Quote

We will work on the best solution according to your requirements and drawing, the specific quote will be provided within 24 hours.

Approve for Mass Production

We will start mass production after getting your approval and deposit, and we will handle the shipment.

Get A Free Quote

Contact us to get a free quote and more expertise about custom rubber parts. Your project will meet the right solution at Julong Rubber.   

Email:info@rubberandseal.com

Get A Free Quote

Contact us to get a free quote and more expertise about custom rubber parts. Your project will meet the right solution at Julong Rubber. 

Email:info@rubberandseal.com