Made in the USA
Since 1942

Weldon Aerospace Pumps

70 Years of Quality - Made in the USA

Weldon Aerospace has been designing, engineering and manufacturing quality fuel pumps and fluid systems for a wide range of aircraft since 1942.

  • Fuel Pumps
  • Injection Pumps
  • Hydraulic Pumps
  • Fluid Transfer Pumps
  • Pressure Valves
  • Flow Valves

Weldon’s strong commitment to excellence with Made-in-America quality has evolved into a comprehensive line of fuel and hydraulic pumps for general aviation, military aircraft, ground support vehicles and UAVs.

Weldon is a Production Approval Holder (PAH – FAA) and all products are manufactured to our FAA approved quality system. The company provides aftermarket support with complete design-build capabilities and testing procedures for aircraft fluid pump systems.

Engineering Design

Weldon’s engineering team has many years of experience custom designing and manufacturing fluid systems for specific applications. Our unique experience and machining excellence ensures the most reliable fluid-system pumps available.

Weldon products are designed and engineered to meet stringent operating conditions, including DO-160 environmental conditions, MIL-STD 461 EMI/RFI characteristics, and other quality standards.

  • New Product Development
  • OEM Replacement Solutions
  • Legacy Product Support


Weldon supports OEM and certification programs that require specialized testing procedures and documentation. Our engineers are experienced in writing comprehensive test plans, analysis and performance reports.

Weldon works with external labs to manage additional specialized testing in order to provide complete turnkey solutions for any program. We have diverse testing experience, including:

  • Functionality and Performance
  • Life and Endurance Tests
  • Thermal and Altitude Limitations
  • Vibration and EMI/RFI Characteristics
  • Failure and Root-cause Analysis


Weldon products are manufactured in the United States and represent our commitment to skilled American engineering and manufacturing talent. This in-house manufacturing expertise allows us to control the quality of precision components and meet the needs of the most exacting customer orders.

Weldon is an FAA Approved Repair Station (#2WPR261B) and all manufacturing processes are traceable to ISO standards.

  • Precision In-house Machining
  • Experienced Assembly
  • Expert Quality Control
  • Long-tenured Manufacturing Specialists