Driver Side Replacement Mirror Glass. The most economical way to repair cracked mirror glass. K Source is a unique manufacturer in that we specialize in making only automotive and motorcycle mirrors. Our experience in only this category for over 70 years is exactly what our customers have come to trust and rely upon, as our manufacturing and marketing expertise has consistently led the market. K Source started as an OEM mirror supplier in 1950, and that still remains a dominant part of our business. Today we are also in the aftermarket with established brand names including K Source, Fit System, Snap & Zap, Vision System, Ken Sean, and KS Heavy Duty. K Source is the automotive mirror specialist that you can depend on, not only for excellence in product quality, but also for our very capable team. This is the reason we call ourselves "The Mirror People".