Industry-Verified Manufacturing Data (2026)

Fuel Tank

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Fuel Tank used in the Motor Vehicle Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Fuel Tank is characterized by the integration of Fuel Pump and Fuel Level Sensor. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-density polyethylene (HDPE) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A container designed to store fuel for internal combustion engines in vehicles and equipment.

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Product Specifications

Technical details and manufacturing context for Fuel Tank

Definition
The fuel tank is a critical component of the fuel system that safely stores liquid fuel (gasoline, diesel, or alternative fuels) and supplies it to the engine via the fuel pump and delivery system. It must maintain structural integrity, prevent leaks, manage fuel vapors, and often includes baffles to prevent sloshing during vehicle motion.
Working Principle
Fuel is stored in the tank under atmospheric pressure or slight pressure. A fuel pump (either internal or external) draws fuel from the tank and delivers it to the engine. The tank includes ventilation systems to manage vapor pressure, fuel level sensors to monitor quantity, and often incorporates safety features like rollover valves and impact protection.
Common Materials
High-density polyethylene (HDPE), Steel, Aluminum
Technical Parameters
  • Capacity - total volume of fuel the tank can hold (L) Standard Spec
Components / BOM
  • Fuel Pump
    Draws fuel from the tank and delivers it to the engine
    Material: Various metals and plastics
  • Fuel Level Sensor
    Measures and reports the amount of fuel in the tank
    Material: Plastic, metal, electronic components
  • Filler Neck
    Opening through which fuel is added to the tank
    Material: Steel, aluminum, or plastic
  • Ventilation System
    Manages fuel vapor pressure and prevents vacuum formation
    Material: Plastic tubing, valves
Engineering Reasoning
0.1-5.0 bar
6.8 bar internal pressure
Design Rationale: Yield strength of ASTM A36 steel (250 MPa) exceeded at 6.8 bar internal pressure in cylindrical tank geometry with 2:1 length:diameter ratio and 3 mm wall thickness
Risk Mitigation (FMEA)
Trigger Microbial contamination of diesel fuel (Cladosporium resinae growth)
Mode: Corrosion-induced pitting at fuel-water interface
Strategy: Biocide additive injection system with 50 ppm concentration monitoring
Trigger Thermal cycling between -40°C and 85°C
Mode: Fatigue cracking at weld seams
Strategy: Stress-relieved welds with post-weld heat treatment at 620°C for 1 hour

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fuel Tank.

Gas Tank Petrol Tank heavy duty truck fuel tank replacement HDPE fuel tank for commercial vehicles aluminum fuel tank corrosion resistance fuel tank with integrated pump and sensor OE specification motor vehicle fuel container

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Fuel System
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar gauge
flow rate: N/A (static storage)
temperature: -40°C to 85°C
slurry concentration: Not applicable for fuel storage
Media Compatibility
✓ Diesel fuel ✓ Gasoline (petrol) ✓ Biofuel blends (B20 or lower)
Unsuitable: Chlorinated solvents or strong oxidizing agents
Sizing Data Required
  • Required fuel capacity (liters)
  • Vehicle/equipment mounting constraints
  • Fuel type and vapor pressure requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion
Cause: Electrochemical degradation of tank material due to moisture, chemical contaminants in fuel, or atmospheric exposure, accelerated by galvanic couples or improper cathodic protection.
Leakage from weld/seam failure
Cause: Fatigue cracking or stress corrosion cracking at welded joints or seams due to cyclic thermal expansion/contraction, vibration, or improper welding procedures during fabrication.
Maintenance Indicators
  • Visible fuel stains or wet spots on tank exterior or surrounding containment area
  • Abnormal fuel consumption rates or unexplained inventory losses detected during reconciliation
Engineering Tips
  • Implement routine internal inspections and ultrasonic thickness testing to monitor corrosion rates and schedule proactive repairs before failure occurs
  • Install and maintain proper ventilation and vapor recovery systems to control internal humidity and prevent condensation, which accelerates corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 28300: Petroleum, petrochemical and natural gas industries - Shell-and-tube heat exchangers ASTM D2565: Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications CE Marking: Pressure Equipment Directive 2014/68/EU for pressurized fuel tanks
Manufacturing Precision
  • Wall Thickness: +/-0.5mm
  • Weld Seam Alignment: +/-1.5mm
Quality Inspection
  • Hydrostatic Pressure Test
  • Leak Detection Test (Helium Mass Spectrometry)

Factories Producing Fuel Tank

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

T Technical Director from Singapore Jan 26, 2026
★★★★★
"Great transparency on the Fuel Tank components. Essential for our Motor Vehicle Manufacturing supply chain."
Technical Specifications Verified
P Project Engineer from Germany Jan 23, 2026
★★★★☆
"The Fuel Tank we sourced perfectly fits our Motor Vehicle Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Brazil Jan 20, 2026
★★★★★
"Found 54+ suppliers for Fuel Tank on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

14 sourcing managers are analyzing this specification now. Last inquiry for Fuel Tank from India (15m ago).

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Frequently Asked Questions

What are the advantages of HDPE fuel tanks over steel ones?

HDPE fuel tanks are lighter, corrosion-resistant, and offer better impact resistance compared to steel tanks, making them ideal for modern vehicle designs where weight reduction and durability are priorities.

How often should fuel tank ventilation systems be inspected?

Ventilation systems should be inspected during regular vehicle maintenance, typically every 12 months or 12,000 miles, to ensure proper vapor management and prevent pressure buildup or fuel evaporation issues.

Can fuel tanks be customized for specific vehicle applications?

Yes, fuel tanks can be engineered to fit unique vehicle configurations, with custom shapes, mounting points, and integrated BOM components like pumps and sensors to meet specific OEM requirements and space constraints.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Motor Vehicle Manufacturing sector.

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