Replacement Mirror Gmc Sierra 3500 Hd. A tow mirror's main purpose is to help increase your line of sight while towing. I think they just started stocking them.

Right Passenger Side Replacement Mirror Glass for 15-19 ...
Right Passenger Side Replacement Mirror Glass for 15-19 ... (Lula Lee)
From the mechanical point, this truck is almost identical to another General Motors' truck, the Chevy Silverado. Application: A - Direct Fit Replacement Mirror. I ordered a set and will post up a review when i get them.

There are all kinds of tow mirrors you can get for your Silverado.

Burco replacement automotive mirrors deliver the performance, looks and clarity needed for optimal viewing.

Chrome Mirror Cover Replacement Cap Chevy Silverado HD GMC ...

2009 GMC SIERRA 2500 HD Passenger Side Mirror - 4115HS

Go-Parts OE Replacement for 2003 - 2006 GMC Sierra 1500 HD ...

GMC Sierra 3500HD 1999-2006 Extendable Towing Mirrors - K ...

2001 GMC SIERRA 1500 HD Passenger Side Mirror - 3904

901124 Power Mirror Switch Replacement for Chevy Silverado ...

2005 GMC SIERRA 2500 HD Passenger Side Mirror - 3254

2014-17 Chevy Silverado / GMC Sierra [1500 Model] Power ...

2004 GMC SIERRA 2500 HD Driver Side Mirror Glass - 4001S

GMC Sierra 3500HD 2015-2018 Towing Mirrors Smoked LED ...

Mirror Replacement Glass For 2007 GMC Sierra 1500 HD ...

2009 GMC SIERRA 2500 HD Passenger Side Mirror - 4115HS

The Sierra comes available in three body styles, such as regular, crew and extended cab. It keeps your boat or trailer in your peripheral vision at all times. Application: A - Direct Fit Replacement Mirror.