Crosseven Universal Fuel Primer Bulb – 8mm / 5/16"

High-quality Crosseven marine fuel primer bulb designed for use with 8 mm / 5/16" internal diameter fuel hose.

An essential part of an outboard fuel system, the primer bulb is used to manually draw fuel from the tank towards the engine and prime the fuel line before starting.

Manufactured from quality rubber and supplied with Serflex stainless-steel clamps for secure installation.

Crosseven Part Number

P204867

Suitable For

Suitable for marine and outboard fuel systems using:

8 mm / 5/16" Fuel Hose

Can be used on compatible fuel systems for many outboard brands, including:

Yamaha
Mercury
Mariner
Suzuki
Honda
Tohatsu
Johnson
Evinrude
OMC
Other compatible marine fuel systems

Important

This is a universal marine primer bulb based on fuel hose size.

Compatibility should be determined by the internal diameter of the fuel hose and the requirements of the fuel system, rather than engine brand or horsepower alone.

Fuel Hose Size

8 mm / 5/16" Internal Diameter Fuel Hose

5/16" = approximately 7.9 mm

Designed for 8 mm / 5/16" fuel hose. Crosseven specifically lists P204867 as its 8 mm version.

Please measure the internal diameter of your existing fuel hose before ordering.

Crosseven Part Number

P204867
MA-P204867

Product Features

Crosseven branded marine product
Universal marine fuel primer bulb
8 mm / 5/16" fuel hose connection
Manufactured from quality rubber
Serflex stainless-steel clamps
Designed for marine fuel systems
Suitable for compatible outboard fuel installations
Ideal replacement for worn, cracked or hardened primer bulbs
Simple in-line installation
New
UK stock

Important – Check Your Fuel Hose Size

This version is for 8 mm / 5/16" fuel hose.

Please check the INTERNAL diameter of your existing fuel hose before purchasing.

Do not order based only on the appearance of your existing primer bulb.

If the part looks the same as yours, this does not always mean it is the correct one for your outboard or fuel system.

Installation

When installing the primer bulb:

Confirm the fuel hose is 8 mm / 5/16" ID
Check the correct direction of fuel flow
Install in the correct orientation
Ensure the fuel hose is fully seated
Secure the connections using the clamps
Prime the fuel system
Carefully check all connections for fuel leaks before operating the engine

Any cracked, hardened, damaged or deteriorated fuel hose should also be replaced.

Why Choose Crosseven?

Crosseven offers marine fuel-system components including primer bulbs and fuel hoses.

The Crosseven primer bulb is manufactured from quality rubber and uses Serflex stainless-steel clamps, with the range available for both 8 mm and 10 mm fuel hose applications.

Important – Please Check Compatibility

This is a universal marine component and should be selected according to your fuel hose size and fuel system.

Before purchasing, please confirm:

Fuel hose internal diameter is 8 mm / 5/16"
Primer bulb configuration matches your installation
Fuel-flow direction is correct
Product is suitable for your particular fuel system

If you are unsure, please contact SSI Marine before purchasing.

Why Buy From SSI Marine?

Quality branded marine parts
Workshop-tested products
More than 10 years supplying outboard parts
UK stock
Same working day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
Technical support from experienced outboard specialists
Collection available from Leigh, Greater Manchester
Workshop open Monday–Friday, 9 AM–5 PM

Crosseven P204867 Universal Outboard Fuel Primer Bulb 8mm 5/16" Marine Fuel Line