Duponts Service Center

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28 Sumner Dr
Dover, NH 03820 USA
(603) 742-8627
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Message from the Shop

Dupont's Service Center at 28 Sumner Dr. - off Rte. 155 - in Dover NH was founded in 1958 and has grown to become one of the largest independent automotive service facilities in New Hampshire. Duponts is a AAA Top Shop Award winner. We offer full service auto repair using the latest in automotive equipment and diagnostic software. We service Dover, Durham (UNH), Madbury, Somersworth and Barrington New Hampshire. Dupont's Service Center warranties all its work for "2-Years or 24,000-miles", whichever occurs first. This includes parts and labor. Our warranty policy is designed to provide YOU, the customer, with added value along with each repair that is above and beyond the industry. If you are looking for a trusted, honest auto repair facility, contact us for an estimate or appointment.



  • AC/Heating
  • Alignment
  • Check Engine Light
  • Diagnosis
  • Hybrid/Electric
  • Muffler & Exhaust
  • Oil Change & Lube
  • Scheduled Maintenance
  • Service & Repair
  • Smog/Emissions Testing
  • Timing Belts
  • Tire Sales/Repair
  • Transmission Repair
+ More


  • AAA Member Discount
  • Car Delivery
  • Car Pickup/Dropoff
  • Coffee
  • Early Bird Dropoff
  • Financing
  • Free Estimates
  • Heated Waiting Room
  • Loaner Car
  • Service Guarantee
  • Shuttle
  • Towing
  • Wireless Internet
+ More


  • Bosch Service Network


  • Cadillac
  • GMC
  • Infiniti
  • Kia
  • Land Rover
  • Porsche
  • Subaru
  • Volkswagen