Thermalweld Marketing Inc. has been in business locally for 20+ years. Head Gasket Repair by Thermalweld Experts. Specializing in the repair of cylinder head gaskets. No Fix, No Charge- 100% Guarantee! We know which vehicles can be repaired and which ones cannot. Is your engine over heating? We include Cooling System Diagnosis and a Lifetime Warranty. We service all makes and models, foreign and domestics. We are also the USA's foremost specialist in Cadillac NorthStar head gasket repair. We have an A+ BBB Rating and offer quality service and customer satisfaction. If you have any questions feel free to call our Thermalweld Experts. We'll come to you in or around San Luis Obispo, Morro Bay, Shell Beach, Pismo Beach, Grover Beach, Arroyo Grande, Oceano, Nipomo, and Santa Maria.