Free Bottle of Alliant Power UltraGuard Limited Time Offer!

GCL Diesel is proud to carry a new addition to the team: Alliant Power UltraGuard is an all-season, multi-functional fuel treatment that provides complete fuel system and injector protection for ALL diesel engines.

For a limited time, simply either Facebook Share, Tweet, or Instagram post a photo of your diesel vehicle with the hashtag #DieselUnderstood and then visit us at GCL Diesel for your FREE bottle of Alliant Power UltraGuard diesel fuel additive and try it for yourself!

Note: Limited to one bottle per customer and must present proof of share in person, limited time offer.