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Fuel Line & Accessories – Marine & Outboard Fuel Systems

Premium Outboard Fuel Primer Bulb – 10mm (3/8")

SKU: SA-37266

$14.60
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The Relaxn 37266 Premium Fuel Primer Bulb is designed for compatible outboard fuel systems using 10mm internal diameter fuel hose. Featuring UV-stabilised construction and a fuel flow rate exceeding 100 litres per hour, this large manual primer bulb helps deliver fuel from the tank towards the engine. Ideal for replacing worn, cracked or deteriorated primer bulbs, it provides convenient fuel priming for compatible petrol-powered outboard motors.

Key benefits

Key Benefits

  • - Premium large-size fuel primer bulb.
  • - Designed for 10mm (3/8") internal diameter fuel hose.
  • - UV-stabilised construction for marine use.
  • - Fuel flow rate exceeding 100 litres per hour.
  • - Manual squeeze operation for fuel priming.
  • - Suitable for compatible petrol-powered outboards.
  • - Ideal replacement for worn or damaged primer bulbs.
  • - Suitable for compatible 2-stroke and 4-stroke outboard fuel systems.

Specifications & Dimensions

  • - Part Number: 37266
  • - Product Type: Premium fuel primer bulb
  • - Bulb Size: Large
  • - Colour: Black
  • - Compatible Hose Internal Diameter: 10mm (3/8" nominal)
  • - Hose Connection: Inline hose-tail fittings
  • - Fuel Flow Rate: More than 100 litres per hour
  • - Construction: UV-stabilised
  • - Operation: Manual squeeze primer
  • - Fuel Application: Compatible petrol fuel systems

Compatible Outboard Motors

  • The Relaxn 37266 is a universal-style fuel primer bulb rather than an engine-specific replacement part.
  • It may suit selected petrol outboards requiring 10mm internal diameter fuel hose, including compatible models from
  • - Tohatsu: Selected 2-stroke and 4-stroke outboards.
  • - Mercury: Selected 2-stroke and 4-stroke outboards.
  • - Mariner: Selected petrol outboards.
  • - Yamaha: Selected 2-stroke and 4-stroke outboards.
  • - Suzuki: Selected 2-stroke and 4-stroke outboards.
  • - Honda: Selected 4-stroke outboards.
  • - Johnson: Selected petrol outboards.
  • - Evinrude: Selected petrol outboards.
  • Compatibility depends on the fuel hose diameter and engine fuel-system requirements. These are potential applications, not verified individual model fitments.

Suitable Applications

  • - Portable outboard fuel tank systems.
  • - Replacement marine fuel line assemblies.
  • - Aluminium fishing boats and tinnies.
  • - Fibreglass runabouts.
  • - Centre-console and side-console boats.
  • - Outboard fuel-system servicing and maintenance.

Important Fitment Information

  • - Confirm that the existing fuel hose has a 10mm internal diameter.
  • - Install the primer bulb according to the fuel-flow direction arrow.
  • - Secure both connections using suitable fuel-rated clamps.
  • - Inspect all connections for leaks before operating the engine.
  • - Not recommended for ethanol-blended fuel.
  • - Do not use for diesel or high-pressure fuel injection unless expressly approved by the manufacturer.

Signs the Primer Bulb Needs Replacing

  • - Cracked, hardened or swollen bulb.
  • - Bulb fails to become firm during priming.
  • - Fuel leaking around hose connections.
  • - Damaged or deteriorated hose tails.
  • - Fuel draining back through faulty internal valves.
  • - Starting difficulties caused by inadequate fuel priming.

Shipping

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