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Change of Address: As of January 1, 2026 our new address will be 4647 Jackson Lane Phelan, CA 92371. All other contact information will remain the same.

Change of Address: As of January 1, 2026 our new address will be 4647 Jackson Lane Phelan, CA 92371. All other contact information will remain the same.

Fuel System Borescope Application

One important borescope application is in fuel systems. 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! View a few examples of fuel system borescope applications below.

Diesel fuel injector as seen with a Hawkeye Pro Slim 7”

Diesel injector body taken with a Hawkeye Pro Hardy 7”

Injector nozzles viewed with a Hawkeye Pro MicroSlim 5”

Featured Video

A fuel injector is inspected using a Hawkeye Pro 7-inch Rigid Borescope.

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.