Welcome to Younker Bros.

Younker Bros. is a family-owned and operated diesel shop based in Spokane, Washington. Founded in 1990 by brothers Pat, Todd, and Alan Younker, we’ve spent more than three decades rebuilding engines, engine components, transmissions, and differentials, as well as supplying quality aftermarket parts for Caterpillar, Cummins, Detroit, and Mack.

Over the years, we’ve built long-standing relationships with loyal customers, regional repair shops, and local business owners. We take pride in providing fair, honest service and dependable workmanship—helping our customers and partners get back to work with confidence.

Trusted Diesel Specialists

Since 1990, Younker Bros. has been a trusted source for the trucking, heavy equipment, and diesel engine industries. We provide a comprehensive selection of quality aftermarket parts for Cummins, Caterpillar, Detroit, Mack, International, John Deere, and Volvo  engines—helping keep your equipment working and your business moving.

Drivetrain Solutions

Through our drivetrain division, Inland Gear, we deliver dependable parts, expert repair, and professional service for a wide range of heavy-duty transmissions and differentials.

Whether you need the right replacement part or reliable drivetrain service, our experienced team is ready to help you get the job done right.

Younker Bros.

Address

322 N Eastern Rd.

Spokane Valley, WA 99212

Phone

(509) 534-7818

Email

younkerbros@comcast.net