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Custom FKM Seals for Automotive Fuel Systems

How CTG Specializes in Automotive Fuel System FKM Seals

CTG excels in manufacturing high-performance FKM (Fluorocarbon) rubber seals specifically designed for modern automotive fuel systems. Our specialized manufacturing processes ensure optimal performance with conventional fuels, biofuels, and alternative fuel blends. We leverage extensive automotive industry experience to deliver seals that provide reliable, long-term service in critical fuel containment applications.

Automotive Fuel System FKM Seal Features

Our automotive fuel system FKM seals feature:
  • Exceptional gasoline resistance
  • Superior diesel fuel compatibility
  • Excellent ethanol (E85) resistance
  • Biodiesel (B20) compatibility
  • Low permeation rates
  • Long-term compression set resistance
  • Temperature stability from -40°F to 300°F
  • Specialized low-temperature flexibility

Automotive Fuel System Applications

CTG’s FKM seals excel in automotive applications including:
  • Fuel injector O-rings
  • Fuel pump seals
  • Fuel pressure regulator components
  • Fuel line connections
  • Fuel rail sealing systems
  • Fuel tank sender unit seals
  • Carburetor components
  • Direct injection system seals

Industry Standards & Compliance

Our automotive fuel system FKM seals meet:
  • SAE J2044 specifications
  • SAE J2260 fuel permeation standards
  • ASTM D2000 classifications
  • OEM-specific requirements
  • IATF 16949 quality standards
  • EPA emissions requirements
  • California Air Resources Board standards
  • International automotive specifications

Automotive Fuel System FKM FAQ

How do your FKM seals perform with modern ethanol fuel blends?
Our specialized automotive FKM compounds are formulated specifically for ethanol compatibility, providing excellent performance with E10, E15, and even E85 fuels with minimal swelling and degradation.
Yes, we offer biodiesel-resistant formulations designed specifically for B5, B20, and higher biodiesel blends while maintaining seal integrity.
Our automotive fuel system FKM seals utilize specialized low-temperature formulations that maintain flexibility down to -40°F for reliable cold-start performance.
We engineer our automotive FKM compounds to provide exceptionally low fuel permeation rates, helping manufacturers meet stringent evaporative emission standards.
Every production batch undergoes fuel immersion testing, compression set measurement, and detailed dimensional verification to ensure consistent performance and reliability.

Custom Solutions for Automotive Fuel Systems

CTG offers:
  • Application-specific FKM formulations
  • Custom fuel resistance profiles
  • Low-temperature performance optimization
  • Specialized compression set properties
  • Enhanced aging characteristics
  • Rapid prototype development
  • PPAP submission capabilities
  • Material certification packages
Contact our technical team today at 800.299.1685 or email ctgsales@ctgasket.com for expert guidance on your automotive fuel system FKM seal requirements.

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TECHNICAL LIBRARY

For available materials, sizing, geometry, gland considerations and more, view our technical library.
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24/7 Emergency Delivery Available
For urgent needs call 800.299.1685