Mj'S Sinclair

Your Reliable Partner in Groton, SD

At MJ's Sinclair, we've been proudly serving the automotive needs of Groton, SD, and surrounding areas since 2014. Our team of experienced technicians is dedicated to providing top-notch customer service and reliable automotive care. Whether you need routine maintenance, repairs, or just a fill-up and wash, we're here to help!

Preventative Maintenance & Repair

• Lube, Oil & Filter Changes
• Belt & Hose Replacement
• Cooling System & Radiator Service
• Electrical System Repairs
• Brake Repairs
• And much more!

Tire Services

• Tire sales and installation
• Wheel balancing
• Tire patching and repairs
• Tire pressure monitoring system (TPMS) service

Additional Offerings

• Sinclair gas station
• Car wash
• Cold beer
• Casino room

Our Mission

Our mission is to provide our customers with:

• Quality: We use genuine parts and employ certified technicians to ensure the highest quality repairs.
• Transparency: We provide clear and upfront estimates and explain the repairs needed in simple terms.
• Convenience: We offer flexible hours and online appointment scheduling.
• Value: We offer competitive prices and regular promotions.

Choose MJ's Sinclair for

• Personalized and friendly service
• Convenient location and hours
• Comprehensive range of services
• Quality workmanship and expertise
• Competitive prices and promotions

We look forward to serving you and becoming your trusted automotive partner!