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The MOTOR MEDIC M3815 is an aerosol starting fluid engineered to assist cold-weather and hard-start conditions on both diesel and gasoline engines. The 15 oz aerosol can delivers 11 oz of net fill directly into the air intake, providing a quick-igniting vapor that helps engines turn over when standard cranking fails. With a VOC content of 99.5 and a boiling point of 34.6 degrees C, this formulation vaporizes rapidly on contact with intake air. It is used by mechanics, fleet technicians, and equipment operators who need a reliable starting aid in the field or shop.
The M3815 is suited for use on diesel engines and gasoline engines across a wide range of applications including agricultural equipment, construction machinery, generators, light-duty trucks, and other hard-starting power equipment. The aerosol can format allows precise, controlled application into air intakes without disassembly. It is commonly used during cold-season maintenance, fleet readiness checks, and equipment commissioning where fuel delivery or battery capacity may be marginal.
Designed for use with diesel engines and gasoline engines as stated by the manufacturer. Consult equipment documentation before use on engines with glow plug or direct injection systems where starting fluid use may be restricted.
Starting fluid is applied by automotive and equipment technicians as part of cold-start or hard-start diagnosis and recovery procedures. Before use, confirm the engine type and consult the original equipment manufacturer guidelines, as some modern diesel engines with glow plugs or high-compression direct injection systems prohibit starting fluid use. Apply only to the air intake with the engine cranking — never spray near open flame or hot exhaust components. Store the aerosol away from heat sources and keep out of enclosed spaces without ventilation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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