We will be closed Thursday, November 22 to celebrate Thanksgiving.
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605-397-2717
105 E Hwy 12 Groton, SD

We sell interstate batteries

Auto Repair

MJ's Sinclair has technicians ready to handle your computerized wheel balancing, other tire services, and much more. See us for lube and oil changes, replacement of belts and hoses, cooling system/radiator service, electrical system repairs, brake repairs, and other minor repairs.

Car Wash

At MJ's Sinclair, you can fill your vehicle’s gas tank and have it serviced. And, when you’re done you can brighten its appearance at our car wash.

Welcome to
MJ's Sinclair

MJ's Sinclair has been bringing you automotive services in Groton, SD since 2014. We provide, preventive maintenance and light automotive repairs for customers from Groton, SD, Aberdeen, SD, Britton, SD, and surrounding areas in Brown County, Day County, and Spink County. We have a Sinclair gas station, a car wash, cold beer, and a casino room.

MJ's Sinclair is conveniently located at 105 East Highway 12 in Groton, SD. We’re open seven days a week, 6:00 AM to 9:30 PM. Ask about our Perks card to earn points toward gift cards that can be used for car washes and selected food items.

We use CarQuest auto parts

Check Out Our
Rewards Card

BFGoodrich® Tires Bridgestone Tires Firestone Tires Falken Tires Fuzion Tires Dunlop Tires Cooper Tires Continental Tires General Tires

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Phone: (605) 397-2717
Fax:
Address: 105 E Hwy 12
Groton, SD 57445
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