Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · Custom molded automotive NBR oil proof rubber hole plugs
CUSTOM RUBBER & SILICONE MANUFACTURING
Custom molded automotive NBR oil proof rubber hole plugs
A custom component for your assembly.
Define the mating surfaces, dimensions and working conditions. ETOL manufactures the part to the agreed design and material.
- Factory direct
- Made to order
- Drawing & sample support
Share the part, its application and your estimated quantity.
Customize the fit, material and finish
Material & hardness
Selected for the contact, temperature and movement
Color & finish
Define the visible surfaces and intended color
Shape & dimensions
Develop holes, lips and walls around the mating parts
Mounting & fit
Match the attachment and installation method
Product Overview
An automotive NBR closure should be selected around the actual fluid exposure and opening it serves. This molded hole plug can be customized in size, hardness, and color, with its profile shaped to retain in the intended vehicle panel or housing. NBR material selection is relevant to oil-related environments, but the exact formulation and service conditions still govern suitability.
Identify which fluids can reach the plug during normal use and maintenance. Occasional surface contact differs from continuous exposure, and a warm location may impose different demands from a protected interior cavity. Include the opening's thickness and retaining edge in the dimensional definition.
The plug face should sit evenly after installation, without a portion of its retaining lip remaining outside the hole. Check the surrounding surface for burrs or accumulated deposits before fitting. If a vehicle repair introduces a different fluid or changes nearby heat exposure, reassess the component for that location. During inspection, look for swelling, softened edges, or a loss of shape that could affect the closure's hold.
- Material options
- NBR compound options, customized alongside the profile and contact conditions.
- Hardness selection
- Solid rubber options: 30–90 Shore A. Occasional surface contact differs from continuous exposure, and a warm location may impose different demands from a protected interior cavity.
- Custom geometry
- Include the opening's thickness and retaining edge in the dimensional definition.
- Fit evaluation
- The plug face should sit evenly after installation, without a portion of its retaining lip remaining outside the hole.
- Color & OEM
- Custom colors; OEM identification positioned outside closure contact surfaces.
Photos illustrate structure or material appearance only. An automotive NBR closure should be selected around the actual fluid exposure and opening it serves. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.
From part requirements to production
01
Define the part
Identify key dimensions, mating surfaces and quantity
02
Review material & tooling
Agree the compound and manufacturing approach
03
Evaluate the sample
Review the fit and agreed requirements in the assembly
04
Produce & inspect
Manufacture and check against the approved requirements
Review the intended assembly
Material and structure
Consider hardness together with wall thickness and support.
Installation
Check access, mating dimensions and the fitting sequence.
Ordering this custom component
Can the shape be adjusted to my mating parts?
Yes. Show the receiving opening, contact surfaces and clearance limits. We can review the dimensions and retaining features around the intended fit.
Which details should be agreed before tooling?
Agree the critical dimensions, material, hardness, visible surfaces and sample requirements. Explain how the part is installed and which interfaces control its function.
Can a sample help define the replacement?
A sample can help explain the structure. Compare it with the assembly because wear, swelling or compression may have changed its original dimensions.
How is the quotation for this part determined?
The material, part geometry, tooling, quantity and finishing affect the quotation. Include the intended batch size and delivery destination when describing your requirements.
DISCUSS THIS COMPONENT
Describe the part you need.
Share the fit, operating conditions and quantity with our manufacturing team.
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