7 in I.D. Black Straight Silicone Coolant Hose 36 inches Reverse Switch Cat 3500 series industrial marine Cat 3500 series industrial marine genset DD15 engines have evolved through multiple EPA emission standards – some components may vary by production year Specification Characteristics Material 5 Ply Silicone with Polyester Fabric Reinforcement Resistance Ozone & Oil Splash Resistant Applications Suitable For Heavy Duty Applications Standards Compliance Meets and Exceeds All Performance and Physical Requirements of: SAE J20 RI OEM Heavy Duty Vehicle Requirements High Temperature Option Available with Meta Aramid Fabric Reinforcement for Extreme High Temperature (Upon Request) Liner Options Available with Fluorosilicone or Fluorocarbon Liner (Petroleum & Chemical Applications) Vacuum Resistance Available with Helical Wire Reinforcement for Vacuum Resistance Temperature Range 65°F to 350°F Continuous Colors Blue or Black Leg Length 10” Long Legs From Center of the Bend Measurement Leg Lengths Are Measured From The Centerline of the Hose