Fuel Systems
Fuel injector nozzles, unit injector bodies, and much more, can be quickly and easily Inspected with Hawkeye Borescopes!

Fuel Systems Inspection

Manufacturers of mission-critical fuel systems and fuel system components for automotive, aviation and diesel use Hawkeye Borescopes to inspect for burrs, cross-hole alignment, surface finish irregularities, and numerous other possible defects in fuel injector nozzles, miniature hydraulic parts, fuel manifolds, and much more!

Diesel fuel injector
as seen with a
Hawkeye Pro Slim 180 mm
Diesel injector body
taken with a
Hawkeye Pro Hardy 180 mm
Injector nozzles
viewed with a
Hawkeye Pro MicroSlim 120 mm


Gradient Lens Corporation manufactures over 80 models of Hawkeye® rigid, flexible, and video borescopes, and a complete system of interchangeable borescope accessories. The Featured Products below are just three examples fuel system manufacturers find particularly valuable.


Hawkeye Pro SS 185 mm

At just 2.49 mm in diameter, the Hawkeye SuperSlim is the perfect choice for inspection of fuel injector nozzles, fuel manifolds, and many other very small bores.

  Luxxor Video Systems
The Luxxor Video System can be used with any Hawkeye Borescope, and any laptop or desktop computer. Video and still images can be captured, stored, documented, and emailed. 
  Hawkeye Pro MS 102 mm
Hawkeye Pro MicroSlim Borescopes are just 1.85 mm in diameter. Use them to inspect fuel-injection nozzles, miniature hydraulic components, and much more.

A Fuel Injector Body is inspected with a Hawkeye Pro SuperSlim 180 mm.

Featured Story:

General Automotive Manufacturing

General Automotive Manufacturing Co. LLC (GAM) produces machined metal parts used in fuel systems, hydraulic assemblies, brake systems, and gas and diesel engines. To assure the success of its zero-defect and on-time-delivery quality policies, General Automotive’s Quality Engineering and Metrology Teams worked together with supplier partner Gradient Lens Corporation to find a solution. Ultimately, Hawkeye Borescope gives the company a cost-effective way to continually increase quality standards without slowing down production  . . . learn more.