Welcome to Younker Bros.

Since 1990 Younker Bros has specialized in serving the needs of the trucking, heavy equipment, and diesel engine industry. We carry a full line of aftermarket parts including Cummins, Cat, Detroit, Mack, and International engines. Our drivetrain division, Inland gear, provides quality parts, repair, and service for many makes and models of heavy duty transmission and differentials.


Inland Gear has been serving the Inland Northwest with heavy duty and industrial transmissions and differentials for over 15 years, assuring quality and great customer service.

Visit usĀ at 6305 E. Valleyway in Spokane Washington.

Inland Gear Outside Building