The series 337 fuel lines (Silverado 4000) is the best B1 fuel line in the market place. THV500 barrier layer, a Nitrile jacket, Polyester reinforcement and a CPE cover. The Silverado 4000 hose has a small O.D., is extremely flexible and easy to clamp. Silverado 4000 Outboard Fuel Line is resistant to ethanol blended fuels. I.D.: 3/8" or 9.5mm. O.D.: 35/64" or 13.72mm. Wt. "C": 7.65.
- EPA and CARB compliant
- Silverado 4000 has a THV barrier layer to prevent permeation
- Polyester reinforcement for strength and a weather and UV resistant CPE cover
- The gray color keeps hose cooler and helps prevent vapor lock
- For above deck primer bulb applications, and is not fire retardant
