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Sierra Pacific Engineering and Products is a custom-quality hinge manufacturer stocking a wide variety of hinges designed to meet the demanding requirements of any industrial application. Our hinges are durable, long-lasting, and designed by expert engineers.

We manufacture hinges intended for use on buses, RVs, trucks, and trailers; for cases and crates; for electronic and HVAC enclosures; for corrosive marine applications; and for sheds and spray booths.

Our catalog lists hinges made of aluminum, brass, die-cast zinc, electro-galvanized steel, plastic (polymer), stainless steel, 316 stainless steel, and steel, depending on the application. For example, we offer continuous aluminum hinges that prevent corrosion, and yet weigh up to one-third less than a steel part.

We offer our hinges in a number of different finishes, in order to complement any product’s design.




Sierra Pacific Engineering is proud to produce a wide variety of industrial hardware including custom pieces developed via rapid prototyping and 3D printing. Many of our products are used in the following industries however serve purposes far and wide.

Trailer Parts | High Quality Bus Hardware | Crating / Cases | Electronic Enclosures | HVAC | Unique Boat and Marine Hardware by SPEP | RV | Home Improvement | Spray Booth | Truck Parts