Introduction

Our automotive fuel supply lines are engineered for the safe, reliable, and efficient delivery of gasoline, diesel, ethanol blends (E10–E85), and biodiesel in conventional internal combustion and hybrid vehicles.

With over 20 years of expertise in automotive fluid systems, we provide fuel lines featuring excellent fuel compatibility, superior corrosion resistance, high-pressure durability, and custom routing solutions for both OEM and aftermarket applications.

Designed with multi-layer composite structures—including PA11/PA12 and metal-rubber hybrid constructions—our fuel lines minimize fuel permeation, maintain structural integrity, and perform reliably in harsh under-hood environments.

Key Features

• Excellent Fuel CompatibilityCompatible with gasoline, diesel, ethanol blends, and biodiesel to reduce material aging and degradation.

• Low Fuel PermeationMulti-layer nylon construction ensures low permeation to meet strict global emission regulations.

• High Temperature & Pressure ResistanceStable fluid delivery under dynamic engine operating conditions and pressure fluctuations.

• Superior Corrosion & Chemical ResistanceResists fuel oxidation, road salt, oils, and other environmental contaminants.

• Flexible Routing & Lightweight DesignNylon and hybrid structures enable compact installation, long fatigue life, and improved vehicle weight efficiency.

• Reliable Leakproof SealingHigh-precision connector assemblies ensure consistent, leak-free performance under engine vibration and thermal cycling.

WHY CHOOSE US

We specialize in the production of flexible and rigid fuel line assemblies, using high-precision extrusion, CNC bending, custom assembly, and automated leak testing to guarantee consistent quality and reliable fuel delivery.

Our engineering team supports customers throughout the entire project lifecycle—from design feasibility and advanced development to validation testing and mass production.

With core strengths in weight optimization, contamination control, ease of installation, and system-level safety, we deliver high-performance, cost-competitive fuel line solutions for global automotive clients.

Applications

Our fuel line assemblies are widely applied across various vehicle systems:

Fuel Supply & Return

• Fuel supply line

• Fuel return line

• High-pressure fuel injection line (port injection / GDI)

Fuel Tank System

• Fuel tank transfer line

• Fuel tank vent line (EVAP line)

• Fuel filler neck auxiliary hose

Emission Control System

• EVAP connection line

• Carbon canister purge hose

Hybrid & Commercial Vehicles

• Auxiliary fuel circulation line

• Fuel delivery for engine-generator units

Quality & Compliance

• Manufactured under IATF 16949 and ISO 9001 quality management systems

• Compliant with SAE J2260, SAE J2046, and VDA standards

• 100% pressure and leak tested before shipment

Functional Validation

• Burst pressure test

• Thermal cycling test

• Chemical exposure test

• Vibration and fatigue test

• Fuel permeation test

Customization Options

• Materials: PA11 / PA12 / multi-layer composite

• Structures: single-wall, multi-wall, braided reinforced

• Surface treatments: abrasion resistance, heat resistance, UV resistance

• Connectors: quick connector, flange, insert type

• Protections: braided sleeve, foam sleeve, PVC corrugated conduit

• Marking: color coding, laser printing

• Custom length, bending radius, and routing per drawing or vehicle model

Ordering & Sample Policy

Samples are available upon request.Lead times vary based on structure complexity, routing, and order quantity. Please provide your requirements, vehicle model, OE number, or technical drawing for a detailed quotation.

• Sample lead time: 7–15 working days

• Delivery terms: FOB / CIF / DDP available

After-Sales & Support

• Full inspection for leakproof performance on safety-critical components

• Professional technical support for fuel system integration

• PPAP documents, technical drawings, and test reports available

• Warranty provided under normal operating conditions

Call to Action

Looking for reliable, high-performance fuel supply line solutions for your vehicle platform?Contact us today to discuss specifications, request samples, obtain pricing, or partner on OE component development.

We are dedicated to providing safe, durable, low-permeation, and cost-effective fuel line solutions for automotive manufacturers worldwide.