Is marine fuel line different than automotive fuel line?

As I understand, one big difference is better UV resistance in the marine fuel line. Automotive fuel line gets a virtually no exposure to direct daylight, so little to no need for UV protection. Another possible difference is better flame resistance in the marine fuel line.

What is marine grade fuel hose?

These are specifically designed and branded for use in supplying fuel to motors in boats or marine vessels. USCG Type A1 hoses are designed for fuel feed applications where the fuel is constantly in the hose, whereas Type A2 hoses are designed for fuel fill type hoses only.

Is marine fuel hose different?

Marine-grade fuel hose is much heavier than the same inside-diameter hose as used in automotive applications. This is done as part of its fire or flame testing, a requirement under the regulations. All fuel hose used in engine room spaces on board gasoline-fueled boats must meet a 2.5-minute fire test rating.

Can you use rubber hose for fuel line?

Standard rubber vacuum or heater hose should never be used in fuel applications. The hose will deteriorate from the inside out and can plug fuel filters and carburetors with rubber debris, long before it springs an external leak.

What is USCG approved fuel line?

MPI Fuel Hose USCG Type A This premium quality fire-retardant fuel hose meets or exceeds all requirements of new ISO 7840 and SAE J5127 standards required by USCG, ABYC and NMMA. Inner tube material provides extraordinary resistance to gasoline, diesel and alcohol-enhanced fuels.

What is the difference between A1 and A2 fuel hose?

Hose used for diesel supply and return applications must carry an A1 rating, while fill and vent installations call for hose designated as A2 (A1 is acceptable for fill and vent hose, however, A2 hose should not be used for anything other than fill or vent applications as it’s not designed to be continuously filled …

What size is Mercury outboard fuel line?

Mercury/Mariner O/B Standard Fuel Line Assembly, 6′ x 3/8″

Compatibility	93806BLP7
Inside Diameter	3/8 Inch
Outside Diameter	11/16 Inch
Maximum Continuous Length	6 Foot
Type	Fuel Tank Lines

What does low permeation fuel line mean?

Related Definitions Low-permeation fuel line (or supply) hose means a fuel hose that does not exceed a 15.0 grams per square meter per day permeation rate on CE10 fuel at 23º Celsius, as tested per SAE J1527.

What’s the difference between A1 and B1 marine fuel line?

A2–fuel vent hose; has a fire resistant cover; is not designed to have fuel in the hose at all times. B1–fuel feed hose; without fire resistant cover; is designed to have fuel in the hose at all times; intended for non-enclosed spaces. Diesel engines or above deck outboard gasoline applications.

Is PVC tubing gasoline resistant?

Due to the nature of PVC and other plastics as well, they are not well suited to use for fuel gas or kerosene. PVC and other plastics deform easily in high temperature environments, and may leak or rupture.

What size is outboard motor fuel line?

Still allowing the proper amount of fuel to get to the engine without having any problems. Of course, the 3/8″ fuel line will work for any of the outboards. But most smaller outboards have fittings or quick connects on them that are set for a 5/16″ hose. It’s basically the standard hose for the smaller engines.

What size is fuel line hose?

Fuel Hose Sizes

AN Size	Tube or Hose OD	Tube or Hose ID
-6	3/8”	.297”
-8	1/2”	.391”
-10	5/8”	.484”
-12	3/4”	.609”