★ Headquarters,
Manufacturing & Distribution

14722 Anson Avenue,
Santa Fe Springs, CA 90670

Phone: 562-404-0488
Mon-Friday 7:30am-4:00pm (PST) 

Email: techsupport@usmotorworks.com

US Motor Works Performance Division, Manufacturing & Distribution
(Derale Performance and Pacer Performance)

3901 Medford Street
Los Angeles, CA 90063

Phone: 323-266-3850
Mon-Friday 6:30am-3:00pm (PST)

Email: techsupport@usmotorworks.com

US Motor Works Midwest Fulfilment Center & Fuel Pump Division

3161 W Heartland Dr., Liberty, MO 64068
Mon-Friday 7:30 am - 5:00 pm (CST)

Tech Support: 323-266-3850

Email: techsupport@usmotorworks.com

US Motor Works International Division

(US Motor Works  S. DE R.L. DE C.V.)
Transformacion #102, Col. El Obispo
66367 Santa Catarina, Nuevo Leon, Mexico

US Motor Works Heat Transfer Division
(OSC Heat Transfer Products)

OSC - East Coast
1600 Cross Pointe Way, #B, Duluth, GA 30097
Mon-Friday 7:00 am - 4:00 pm (EST)

Customer Service: 888-254-4637
Tech Support: 323-266-3850

Email: techsupport@usmotorworks.com

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