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The NU-CALGON M4512/6 is a super heavy-duty DOT 4 brake fluid formulated for the high-temperature braking systems found in modern vehicles. This 12 fluid ounce bottle delivers strong corrosion protection for all metals within the braking system while exceeding both DOT 3 and DOT 4 performance specifications. Automotive technicians and fleet service professionals reach for this fluid when servicing disc brakes, drum brakes, ABS systems, and hydraulic clutch assemblies. It surpasses requirements set by automobile and truck manufacturers, making it a reliable choice for routine brake service and fluid replacement work.
This brake fluid is suited for a wide range of passenger vehicles, light trucks, and commercial vehicles equipped with conventional or anti-lock braking systems. It also covers hydraulic clutch circuits that share fluid with the brake system. Technicians servicing high-performance or heavy-duty vehicles that generate elevated brake temperatures will find this formulation well matched to those operating conditions. It is sold in individual 12 fluid ounce units, appropriate for a single-vehicle flush or top-off service.
Recommended for all disc, drum, and ABS braking systems as well as hydraulic clutch systems in automobiles and trucks that specify DOT 3 or DOT 4 brake fluid. Always verify the vehicle or equipment manufacturer specification before adding fluid.
Brake fluid service should be performed by a qualified automotive technician following the vehicle manufacturer service procedures. Before opening the brake hydraulic system, ensure the vehicle is safely supported and the ignition is off. Brake fluid is hygroscopic and should be stored in a sealed container to prevent moisture absorption, which lowers the boiling point and reduces system performance. Dispose of used brake fluid according to local environmental regulations.
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