Best Boat Engine Fuel Flow Instruments in 2026

SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step

MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant )

OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)

SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step

MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant )

OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)

SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step

MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant )

OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)

SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step

MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant )

OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)

Mates to Attwood Part Number 8883-6

Specifically designed for use with Johnson/Evinrude/OMC Brand engines and tanks

Easy installation with barbed fittings for 3/8 inch I.D. (interior diameter) hose (purchase hose clamps separately)

3/8 inches diameter hose female

Molded acetal material

Fits Attwood tank fitting - 8883-6

Pitot tube delivers accurate speedometer reading

Durable construction with kick-up feature to prevent breakage

Weed resistant design

PACKAGE INCLUDES: A Fuel Line Assembly 5/16 Inch Hose 6 Feet Long, a Premium Primer Bulb, 2 OMC/Johnson/Evinrude Male Quick Connectors, and 2 Stainless Steel Hose Clamps

ENGINE COMPATIBILITY: OMC/Johnson/Evinrude engines and tank connectors. Meets USCG type B1-15 SAE J1527 and ABYC Accepted Standards. Reinforce Hose Approved by Environmental Protection Agency EPA and CARB regulations

MULTI-LAYER: Low-permeation Primer Bulb 3/8 Inch Hose that provides reliable and efficient priming to help start your boat engine

Includes Attwood award-winning universal sprayless Connector; no more dangerous fuel sprays when connecting and Disconnecting pressurized lines

Multi-layer low-permeation primer bulb with 60% more fuel output compared to competitors

Includes 3/8-Inch low-permeation fuel hose that resists kinking and hardening; rated up to 100 degrees centigrade

For use with 5/16" (8 mm) inside diameter fuel line

Exclusive EPA-MERC-PB15 compliant

Three layers of low-permeation rubber for strength, durability and longevity

Stainless steel hose clamp

Alcohol resistant

Composite Fuel Hose

High-strength composite material stands up to the harshest marine environments

Low vacuum restriction ensures proper engine functioning at start-up and during operation

Versatile; compatible with 3/8 inch and 5/16 inch fuel hoses and Ethanol blended fuels

For Mercury and Mariner brand engines and tanks

Twist-type marine gas tank fittings are easy to install and allow custom tightening to keep them functioning to the best of their ability

Rugged construction offers reliable, long-term operation

COMPATIBILITY: Fuel line hose connector, female, with 3/8 Inch hose barb for use on Force 40 hp & larger (1993 & newer), 9.9/15/25 hp (1998), and all Mercury/Mariner outboards using clip-on type disconnect at engine end & 3/8 Inch I.D. fuel line. All Yamaha/Mercury Outboards and Mercury Fuel Tank Side - 1 End Replaces Original Mercury (OE) Part #: 22-13563A3, 22-13563Q3, 22-14213M, 2214213Q and 1 End Replaces Original Mercury (OE) Part #: 22-13563Q7, 22-13563A7, 22-13563A6, 22-13563T7

PACKAGE INCLUDES: Fuel Line Assembly 3/8 Inch Hose 6 Feet Long, a Premium Primer Bulb, 2 Mercury Female Quick Connectors, and 2 Stainless Steel Hose Clamps

MULTI-LAYER: Low-permeation Primer Bulb 3/8 Inch Hose that provides reliable and efficient priming to help start your boat engine

Made of durable Acetal for dependable performance and peace of mind

Easy installation with barbed fittings for 3/8 inch I.D. (interior diameter) hose (purchase hose clamps separately)

Extremely versatile; designed for leaded, unleaded, and alcohol-blended fuel

Reliably eliminates fuel spraying when connecting and disconnecting fuel hose

Female hose fitting

Compatible with 5/16-In. and 3/8-In. fuel lines. High fuel flow fitting (less than .25kpa restriction at 50 liters/hour)

Low perm primer bulb replaces air in fuel lines for fast engine priming with fewer strokes to prime

Industry leading vertical fuel draw for priming in any application

High flow double check valves

Included Components: In-Line Fuel Splice Kit

Sport Type: Boating

Includes Attwood’s award-winning Universal Sprayless Connector; no more dangerous fuel sprays when connecting and disconnecting pressurized lines

Multi-layer low-permeation primer bulb with 60% more fuel output compared to competitors

Includes 3/8-inch low-permeation fuel hose that resists kinking and hardening; rated up to 100 degrees Centigrade

fuel line Fit Universal engine, engine or tank fittings not included. Compatible with ethanol blended fuels, Engineered low permeation material prevents fuel evaporation, Suitable for Boats, RVs, Tractors, and Caravans.

Universal Fuel Line - 1/4" （6mm）Hose with 6 ft long line

Premium quality rubber bulb, Stainless steel clamps, Engineered low permeation material prevents fuel evaporation.

Includes Attwood’s award-winning Universal Sprayless Connector; no more dangerous fuel sprays when connecting and disconnecting pressurized lines

Multi-layer low-permeation primer bulb with 60% more fuel output compared to competitors

Includes 5/16-inch low-permeation fuel hose that resists kinking and hardening; rated up to 100 degrees Centigrade

This is a set of 2 black rubber jumbo primer bulbs for outboard fuel tanks. It fits with 3/8" hose.

The primer bulb and hose allow greater fuel flow to maximize performance.

Compounded to accommodate today's alcohol-enriched gasoline blends.

【Johnson Outboard Fuel Line】 A Marine Johnson 3/8in Fuel Line, with a hose length of 7ft.Package included 1 x Fuel Line Assembly.It is compounded to accommodate today's alcohol-enriched gasoline blends.

【Johnson Outboard Fuel Line Connector】This Fuel Gas Line Assembly is made of alcohol resistant material. Has a long service time and very durable to use.

【Boat Gas Line Connector】 The rubber primer bulb and hose design, allow greater fuel flow, to maximize the performance. Greatly compatible with the ethanol blended fuels as well, more reliable and practical.

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SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step

MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant ).

OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)

(1) Fuel Line With Pump

(1) 1/4" NPT Tank Connector

(3) Engine Fittings (Johnson/Evinrude, Mercury, Yamaha)