Fuel line and cooler line disconnect tool set — springloaded quickrelease tools for fuel lines, heater hoses, and cooling lines (Fuel Line Disconnect Tool, Automotive Fuel Lines Remover, Car Tool, Car Cooler Line Remover) Key benefits Fast, safe disconnection: springloaded design opens easily and snaps closed when pressure is released, allowing onehanded release of quickdisconnect fittings without prying or twisting. Durable construction: molded from hard ABS for strength, chemical resistance, and long service life in workshop conditions. Reduces damage and downtime: separates fittings cleanly to avoid nicking or deforming hoses and connectors, speeding repairs and reducing replacement parts. Versatile sizing: includes a range of tool sizes to match common quickdisconnect fittings on fuel lines, heater lines, and cooling lines. What it does Separates quickdisconnect fittings on automotive fuel lines, heater hoses, and cooling/cooler lines. Works as a dedicated Fuel Line Disconnect Tool and heater/cooler line disconnect tool for routine maintenance and repairs. Helps maintain sealing surfaces and Orings by enabling controlled, even separation. Compatibility and materials Designed for quickdisconnect style fittings used on many passenger vehicles; suitable for fuel, heater, and cooling line applications. Tools made from hard ABS for strength and resistance to fuel, oil, and workshop chemicals. Multiple tool sizes accommodate a variety of connector diameters and shapes. Practical use scenarios Replacing an inline fuel filter: quickly disconnect both fuel line fittings without cutting or damaging the hoses. Servicing the heater core or removing heater hoses: release stubborn quickconnect couplings in tight engine bays with controlled motion. Replacing radiator or coolant lines: separate cooling line fittings cleanly to prevent coolant leaks and simplify reassembly. Who should use it Professional auto technicians, fleet maintenance staff, and DIYers performing routine or heavyduty fuel, heater, or cooling system work. Notes Intended for quickdisconnect fittings; confirm fitment and size before use. Keep tools clean and inspect for wear; if cracked or deformed.