Located centrally in Turlock, California—near the port of Oakland. Superior Distribution Center (SDC) is the leading West Coast warehouse distributor of quality replacement alternators, starters, pump motors and service parts for the units carried plus many more. SDC represents many major aftermarket and OEM electrical suppliers and offers consistent, high-level service with swift, accurate order fulfillment.
Established in 1966 as a armature rewinding plant, SDC expanded business by widening its inventory to cover all parts needed for the auto electric shops in the western United States. We also ship into Canada and Mexico. SDC has been a key supplier to the independent auto electric market and has added new product as quickly as possible to meet service shops’ need for an overnight supplier. Today, Superior is an authorized distributor of O.E. Brand Name products such as Prestolite, Leece Neville, Motorola, Iskra, Hitachi, Mitsubishi, Bosch, C.E. Niehoff, Penntex and many others.
Superior Customer Service
Talk to sales people with a combined expertise to handle any technical problem associated with charging and starting systems. Our sales team has a reputation of being able to troubleshoot and solve your most difficult problems.
Fast Delivery
Next day service is available to all of California, and cities like Reno, Las Vegas, Phoenix and Tucson for orders placed before 4 pm PST. You can also visit the Ontrac website to see usual shipment times from our zip code, “95380”, to yours.
Two Locations To Serve You
We have locations in Turlock and Fresno CA. Contact us for one of our service locations in California that can help you solve your on vehicle problems.
SDC products and services include:
- New and remanufactured units (starters, alternators, generators and pump motors)
- A large inventory of component parts for most unit applications
- Warranty coverage for all major brands
- Installation technical assistance from top experts (averaging 25 years experience)
- An extensive network to connect you with auto service specialists in your area
- Proper parts breakdowns to application interchanges
- Assistance with application upgrades
Our goal at Superior is to:
Build Trust
Establish and maintain a positive track record in the marketplace.
Advertise Honestly
Adhere to established standards of advertising and selling.
Tell the Truth
Honestly represent products and services, including clear and adequate disclosures of all material terms.
Be Transparent
Openly identify the nature, location, and ownership of the business, and clearly disclose all policies, guarantees and procedures that bear on a customer’s decision to buy.
We will provide any required product labeling information,disclose the nature and terms of shipping, including any known delays or shortages of stock provide an opportunity to review and confirm the transaction before the sale is completed provide a receipt summarizing the transaction after the purchase
Honor Promises
Abide by all written agreements and verbal representations by correcting mistakes as quickly as possible.
Be Responsive
Address marketplace disputes quickly, professionally, and in
good faith.
Safeguard Privacy
Protect any data collected against mishandling and fraud, collect personal information only as needed , and respect the preferences of customers regarding the use of their information.
When conducting e-commerce we agree to disclose on our website the following:
- what information we collect,
- with whom it is shared,
- how it can be corrected,
- how it is secured,
- how policy changes will be communicated, and;
- how to address concerns over misuse of personal data.
Secure Sensitive Data
When we collect sensitive data online (credit card, bank account numbers, Social Security number, salary or other personal financial information, medical history or records, etc.) will ensure that it is transmitted via secure means. SDC will make best efforts to comply with industry standards for the protection and proper disposal of all sensitive data, both online and offline.
We Honor Customer Preferences
and agree to respect customer preferences regarding contact by telephone, fax and e-mail, and agree to remedy the underlying cause of any failure to do so.
Embody Integrity
Approach all business dealings, marketplace transactions and commitments with integrity.

