Protect fuel lines, wiring, and hoses in heavy-duty vehicles and equipment with rugged insulation sleeves designed for continuous temps up to 1100°F. These American-made thermal barriers reduce radiant heat, improve efficiency, and extend component life in Tier 4 emissions systems, hydraulic lines, intercooler pipes, and more. Built for durability in harsh environments, Heatshield Products offers flexible, chemical-resistant solutions trusted for over 40 years.