Automotive

Automotive Sealing Solutions 

High-Performance Seals for Automotive & Transport Applications

At Ashton Seals, we supply high-quality sealing solutions for the automotive industry, engineered to deliver reliability, durability and performance in demanding environments.

Ashton Seals have been well known suppliers and manufacturers of seals and gaskets to the automotive industry for many years. We can offer support on design, bespoke vendor managed systems, APQP and PPAP capabilities and reverse engineering expertise. From engines and fuel systems to braking and hydraulic applications, our sealing products help ensure leak prevention, pressure integrity and long service life across critical vehicle components.

Sealing Solutions for Automotive Systems

We provide sealing solutions for a wide range of automotive applications, including:
Engine systems and powertrains
Fuel and emission control systems
Hydraulic and braking systems
Transmission and drivetrain components
Air conditioning and thermal systems
These applications require precision-engineered seals capable of handling high pressure, temperature and chemical exposure.

Automotive Industry Approvals:

PPAP AIAG Fourth Edition
TS 16949 Manufacturing
APQP
ASTM D2000 Compounds
Compounds compatible with High Ethanol content Fuel

Performance Under Extreme Conditions

Automotive sealing components must operate reliably in challenging environments including:
High temperatures from engine operation
Exposure to fuels, oils, and lubricants
Pressure fluctuations in hydraulic systems
Continuous movement and vibration
Materials such as elastomers and PTFE are widely used due to their resistance to chemicals, temperature extremes and wear.
Effective sealing ensures:
Prevention of fluid and gas leaks
Improved system efficiency
Reduced maintenance and downtime
Extended component lifespan

Products for the Automotive Industry

We supply a comprehensive range of sealing products suitable for automotive applications, including:​​

These products are widely used across OEM manufacturing, aftermarket supply and maintenance applications. 

Materials & Compatibility

Automotive seals must be compatible with a wide range of fluids and operating conditions.

We offer materials that provide:
Resistance to fuels, oils, and aggressive chemicals
Stability under high temperatures and pressure
Durability in dynamic and high-friction environments
Long-term performance in continuous operation systems
Common materials include:
NBR (Nitrile) – ideal for fuel and oil systems
FKM (Viton®) – high temperature and chemical resistance
EPDM – suitable for brake fluids and water-based systems
PTFE – low friction and high durability

Typical Applications

Our sealing solutions are used across a wide range of automotive components:
Engines and cylinder systems
Fuel injection and fuel handling systems
Brake and hydraulic systems
Gearboxes and transmissions
Air conditioning and cooling systems
Braking Systems
Cooling Systems
Cylinder Heads
Emission Systems
Exhausts
Steering Seals
Sumps
Suspension
Water Pumps 
These applications demand precision sealing to ensure safety, efficiency and compliance with industry standards.

OEM & Aftermarket Support

We support both original equipment manufacturers (OEMs) and aftermarket suppliers, providing:
Standard and custom sealing solutions
High-volume supply capabilities
Technical support for design and material selection
Rapid turnaround for production and maintenance needs
Our expertise ensures consistent quality and performance across all automotive applications.

Why Choose Ashton Seals?

✔ Trusted UK supplier since 1866
✔ Extensive experience across automotive and engineering sectors
✔ Wide range of sealing products and materials
✔ Technical support for application-specific solutions
✔ Bespoke manufacturing capabilities ​

Technical Support & Enquiries

Need help selecting the right sealing solution for your automotive application?
📞 Call: +44 (0) 1226 273700
📧 Email: ask@ashton-group.co.uk
Or contact our team for expert advice.

Frequently Asked Questions

1. What seals are used in automotive applications?
Common sealing solutions include O-rings, oil seals, hydraulic seals and gaskets used in engines, fuel systems and braking systems.

2. Why are seals important in vehicles?
Seals prevent leaks, maintain pressure and protect components from contamination, ensuring vehicle safety and performance.

3. What materials are used for automotive seals?

Materials such as NBR, FKM (Viton®), EPDM, and PTFE are commonly used due to their resistance to heat, chemicals and wear.

4. Where are hydraulic seals used in vehicles?
Hydraulic seals are used in braking systems, suspension components, and power steering systems to maintain pressure and prevent fluid leakage.

5. Can automotive seals be customised?
Yes, sealing solutions can be manufactured to specific sizes, materials and performance requirements for both OEM and aftermarket applications.