Cinnabar Engineering, Inc.Manufacturers and Distributors of  
Original GMC Motorhome Parts and Publications since 1979.  

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Contact Us

Parts and Publications - Call 800-720-2227 or 810-648-2444 | FAX 810-648-9858

GMC Motorhome Sales - Call 231-946-8847

Service Scheduling - Call 810-648-2444

GMC Motorhome Technical Assistance - Call 231-946-8847 - Monday through Friday 9 a.m. to 5 p.m. Eastern Time

Cinnabar Engineering, Inc.
116 Orval Street
Sandusky, Michigan 48471

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