Call Now
Website
Call
Business Details
50+ Years
experience
Your Trusted Auto Repair Partner in Dover, NH
Established in 1961, Dupont's Service Center has grown into one of New Hampshire's largest independent auto repair facilities. Our team of eight ASE-certified technicians, including four with L1 advanced certifications, utilizes state-of-the-art equipment and factory scan tools to service all vehicle makes and models. We maintain partnerships with major brands like Michelin and AC Delco while offering a 2-year/24,000-mile warranty on all repairs.

Our commitment to community service and automotive education, including specialized programs like Ladies Night, reflects our dedication to both technical excellence and customer empowerment. With NAPA-certified parts and Alldata-certified information systems, we combine traditional craftsmanship with modern technological capabilities to deliver reliable solutions for both routine maintenance and complex diagnostics.
Services
Brake Repair Tire Installation State Inspections AC Repair ADAS Calibration Computer Diagnostics Transmission Service Scheduled Maintenance Exhaust System Repair Wheel Alignment
Details
  • Year established: 1961
Highlights and features
  • 60+ years of automotive repair expertise in Dover, NH
  • Eight ASE-certified technicians with specialized L1 certifications
  • 2-year/24,000-mile warranty covering parts and labor
  • Authorized dealer for Michelin, BFGoodrich, and Pirelli tires
  • State-of-the-art diagnostic equipment for all vehicle makes
Associations and certifications
  • Automotive Service Excellence (ASE)
  • AAA Top-Rated
  • AC Delco Master Automotive Facility
  • NAPA Car Care Center
  • Alldata Certified
What people say
Flawlessly implemented CDC guidelines Customer service oriented Outstanding service Free local shuttle service Great customer service
Services
Brake Repair
Our ASE-certified technicians diagnose and repair all brake system components including pads, rotors, calipers, and hydraulic systems. We use manufacturer-specific tools to address warning signs like squeaking, vibration, or ABS alerts. With specialized knowledge of both hydraulic and regenerative braking systems, we ensure optimal stopping power while maintaining safety standards. Our 2-year warranty covers parts and labor for all brake repairs.
Tire Installation
As an authorized dealer for Michelin, BFGoodrich, and Pirelli, we offer premium tire selection and installation. Our computerized equipment ensures precise mounting and balancing for all vehicle types. We provide expert advice on tread selection based on driving conditions and maintain proper inflation standards. Our service includes free rotation checks and wear analysis to maximize tire longevity.
State Inspections
Certified NH State Inspection Station performing comprehensive safety checks on steering, brakes, lights, and emissions systems. Our technicians follow DMV guidelines to verify compliance with state regulations. We offer inspection services for both standard vehicles and motorcycles, with digital record-keeping for registration renewal. The process includes free re-inspection if minor issues need correction.
ADAS Calibration
Specialized recalibration of advanced driver-assistance systems after windshield replacement or collision damage. Using manufacturer-specific targets and software, we service systems like lane departure warnings and adaptive cruise control for major brands including Toyota, Honda, and BMW. Our technicians maintain certification in the latest ADAS technologies to ensure proper system functionality.
Computer Diagnostics
Advanced diagnostic services using factory scan tools for all makes and models. Our technicians interpret error codes from engine control modules to identify issues in electrical systems, sensors, and computer networks. We specialize in complex diagnostics for modern vehicles with hybrid technology and integrated safety systems, providing clear explanations of required repairs.
People
Jim
Service Manager
With 35+ years at Duponts, Jim manages service operations after starting as a gas attendant in 1985. Certified All Data Specialist with ASE and AC Delco credentials, he oversees technical training and service quality standards.
Mike R.
Shop Foreman
33-year automotive veteran with ASE Master Certification. Holds AC Delco certifications in alignment and diagnostics. Specializes in welding and body repairs, combining technical expertise with hands-on problem-solving skills for complex mechanical issues.
Michael D.
Marketing Director
Manages marketing and IT operations since 2014. Holds marketing degree from Lasell College with focus on digital automotive marketing strategies. Balances technical oversight with creative business development initiatives.
Rachel
Office Manager
15+ years accounting experience managing financial operations. Holds business science degree from McIntosh College. Oversees payroll, invoicing, and customer financial communications with attention to detail and regulatory compliance.
Dan
Technician
30-year repair specialist with ASE Master Certification. Expert in hybrid vehicles and advanced electrical systems. Holds specialized school bus certification, applying diverse technical knowledge to passenger vehicle diagnostics and repairs.
Questions
What services does Duponts offer for modern vehicle technology?
We specialize in ADAS calibration, computer diagnostics, and hybrid vehicle repairs using manufacturer-specific software and tools.
Do you provide warranties on repairs?
All services include a 2-year/24,000-mile warranty covering both parts and labor, exceeding industry standards.
Are your technicians certified?
We employ eight ASE-certified technicians, including four with L1 advanced certifications and specialists in Subaru, Honda, and Chrysler systems.
Can you service all vehicle makes?
As an AC Delco Master Facility, we service GM, Ford, Chrysler, Toyota, Honda, BMW, and all other passenger vehicle makes with factory-equivalent tools.
Do you offer tire services?
We're authorized dealers for Michelin, BFGoodrich, and Pirelli tires with computerized installation and balancing equipment for all vehicle types.
What maintenance plans do you recommend?
Follow manufacturer schedules with regular oil changes, brake inspections every 12 months, and major services at 30,000-mile intervals to maximize vehicle longevity.
Videos