Parker's Series 7181 Heavy Duty Heater Hose provides excellent service across a wide variety of coolants and multiple engine heater and radiator applications. The premium rubber construction resists aging, chemicals, cold leaks, cracking, delamination, electrochemical striations, heat and ozone to maximize performance in elevated temperatures common to engine compartments.
Markets:
• Agriculture
• Construction
• General Industrial
• Transportation
Features/Benefits:
• Tube: Black EPDM for heat and chemical resistance to 257°F.
• Reinforcement: Multiple textile plies for strength and kink resistance.
• Cover: Black EPDM for abrasion, heat and oil resistance.
• Couplings: Qualified with crimp couplings for a durable, safe and secure connection.
Applications:
- media
• Coolants
• Hot water
• Mild chemicals
- usage
• Coolant systems
• Drain lines
• Agricultural equipment
• Buses
• Construction equipment
• Off-road equipment
• Trucks
Industry Standards:
• SAE J20R3 EC Class D-2
Safety/Technical:
• Design Factor: 4:1
• Couplings attached with bands or clamps may reduce the working pressure of the hose assembly to less than the maximum rated working pressure of the hose. Refer to NAHAD Industrial Hose Assembly Guidelines
California Residents: 
