Select Page

7910 Bellowsflex “A” Coolant, Marine,
Fuel – Marine Coolant Hose

This incredibly versatile hose is used in applications where wire reinforcement is required to provide great flexibility and resist kinking. Considered an industry standard, some of its applications include bilge ventilation, bilge pump intake and discharge, toilet and bath connections, cabin heating, internal water systems, galleys and drains. It meets SAEJ1527 Type A2 and SAE J2006, R2 specification and is rated at full vacuum (30 inches Hg).

Technical Overview

Cover Color ■ Black
Oil Resistance ■ High
Construction ■ Tube: NBR
■ Cover: CR
■ Reinforcement: Nylon screen with helical wire
Temperature Range ■ -20°F to +212°F, -29°C to +100°C
Packaging ■ 1/2″ and 5/8″ I.D.
   – 25 ft. maximum, all others 60 ft.
■ Other lengths available
   – 5% cutting charge
■ Contact customer service
   for minimum run requirements


Thermoid Catalog – 7910 Bellowsflex “A” Coolant Marine Fuel


Cancer and Reproductive Harm –

Features & Benefits

NBR Tube
  • Oil, Fuel Resistant
  • Coolant Resistant
  • Oil Resistant
  • Water Resistant
  • Flame Resistant
2-Ply Nylon Screen with Helical Wire Reinforcement
  • Provides Working Pressures Up to 60 psi
  • Kink Resistant
  • Flexible, Easy to Handle
Meets SAE J1527 Type A2, USCG
and SAE J2006 R2
  • Meets industry Standards
Application Versatility
  • Handles Application in a Variety of Markets, i.e., Marine, Heavy-Duty, Off-Road, Bath Connections and Water Systems
Temperature Range: -20°F to +212°F
-29° to +100°C
  • Handles a Wide Variety of Applications Through a Wide Temperature Range