• Receive the same quality parts and services as factory owned shops without the expense!
  • We're your foreign car specialists!
  • Free ((WIFI)) available...
  • 0% for 12 months on repairs over $299 OAC
  • We are family owned and operated with a commitment to excellence.
0% FOR 12 MONTHS ON REPAIRS OVER $299 OACCall us to apply

Why Choose Us

Why Choose UsOur Service Technicians are ASE Certified in Diagnosing, and Repairing your Import or Domestic Vehicles and are ASE Certification to Smog Test & Repair vehicles. We have the technology and the ability to complete Auto Repairs from Oil Services to Major Mechanical Repairs.

SEI Corporation consists of business operations that provide consumers with state of the art automotive repair services. Our start date was in 1988 and we have continuously been in business for 25 years.

Our business strategy: is to provide products and services that are superior to our competitors and our business model is to provide the best and affordable services for our customers.

Our team has a broad range of experience and superior automotive technical capability and is integrated with the elements necessary for business success:

We have a staff of personnel that are required to successfully operate the company.

  • General manager
  • Financial Manager
  • Customer service Manager
  • Certified technicians.
    • State of California Certified Smog test and ASE Certified technician
    • ASE certified technician

Our location serves the local Upland area and surrounding areas within a 10 mile radius that include cities such as Rancho Cucamonga, Claremont, Ontario, Chino, Montclair, and La Verne.

We have made investments in:

  • Auto diagnosis equipment and training of our technicians in the latest automotive state of the art automotive requirements
  • Software systems to manage day to day operations, financial data, customer data and inventory
  • Computer and network systems to integrate it all together
  • Web site integrated with latest social media capabilities to reach out to our customer base.

Our knowledgeable ASE trained and certified experts are able to diagnose a wide range of automotive issues, from the most common maintenance requirements to the extremely complex and uncommon automotive issues using the most advanced state of the art equipment.

We offer a wide range of automotive services. SEI Automotive, has been serving the surrounding area since 1988. Our Service Technicians are ASE Certified in Diagnosing, and Repairing your Import or Domestic Vehicles and are ASE Certification to Smog Test & Repair vehicles. We have the technology and the ability to complete Auto Repairs from Oil Services to the most Major Mechanical Repairs.

We offer financing through GE capital for our customers at no interest for 12 months.

As a result we are able to offer our clientele a broad range of services and technical capabilities required for today’s complex automotive technology.


Green StationThe Bureau of Automotive Repair (BAR) has cultivated a partnership with the Department of Toxic Substances Control (DTSC), the agency that regulates the use and recycling of hazardous waste products. This new partnership has given us the opportunity to promote DTSC's voluntary program by which auto repair facilities may become recognized as a "Green Station" if a station meets the DTSC's requirements.
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