Sinclair Gas Station

Gas Stations
Hours:
12740 OK-51, Marshall OK 73056
(580) 935-6631 Directions

Hours

Monday
Open 24 hours
Tuesday
Open 24 hours
Wednesday
Open 24 hours
Thursday
Open 24 hours
Friday
Open 24 hours
Saturday
Open 24 hours
Sunday
Open 24 hours

About Sinclair Gas Station

Sinclair brings more than a century of trusted American fueling with our iconic DINO® and DINOCARE™ TOP TIER™ gasoline to help engines stay clean and efficient. Sinclair stations combine quality fuel and modern convenience – and with DINOPAY®, our mobile payment app, fueling up is fast, simple and secure.

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Most Recent Reviews

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  • November 2025
    This is the Earnheart Gas Station, formerly Valero (at the junction of highways OK-74 & OK-51). Super friendly staff, clean store, and good food. Note this store is not 24 hours and closes by around 9pm on most days (maybe earlier), be sure to check their hours.
  • March 2025
    Great stop for a long drive, adult novelties in bathroom, great food, and welcoming atmosphere

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Sinclair Gas Station

Gas Station in Marshall, OK 12740 OK-51, Marshall (580) 935-6631 Website Suggest an Edit