An essential component of the fuel system – a genuine manual priming pump, integrated with the water separator head. Designed for JCB machines with DieselMax, EcoMax, and STAGE V engines (produced after 2005). Its key function is to enable quick and easy bleeding of the fuel system after a filter change or after running out of fuel. As a genuine JCB product, it guarantees a perfect seal, diaphragm durability, and trouble-free operation for a long time.
Genuine JCB product – a guarantee of the highest quality, perfect fit, and 100% compatibility with your machine.
| Brand | Type / Series / Model |
|---|---|
| JCB | Backhoe Loaders: 3CX, 4CX, 5CX, 214, 215, 217 Telehandlers: 506C and others with DieselMax engine Rough Terrain Forklifts (RTFL): 926, 930, 940 Vibromax Rollers: VM115 Other: Wheel Loaders, Generators |
The list above is for reference. Before purchasing, we recommend verifying the part number in the parts catalogue for your machine.
Before starting any work on the fuel system, ensure the engine is off and cool. Diesel is flammable. Avoid sparks and open flames. Use appropriate personal protective equipment.
The manual fuel pump is essential for the proper servicing of the fuel system. Its failure makes it impossible to bleed the system, leading to problems starting the engine, and a leak can cause air to enter the system during operation.
A leaky fuel system means an immobilized machine.
Don't let the failure of a simple component like a fuel pump cause costly downtime. Using genuine JCB parts ensures a perfect seal and durability. Invest in peace of mind – order a genuine JCB pump and be sure you can always bleed the system and start your machine without problems.
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It is a simple diaphragm or plunger pump. When you press the button, it creates a vacuum that sucks fuel from the tank into the filter. When the button is released, the fuel is pushed further towards the injection pump. This allows you to manually fill the system and remove air from it.
2. The engine stalls under load. Is it the pump's fault?It could be. If the diaphragm in the pump is damaged or leaking, "false" air can be sucked into the system during engine operation. Air in the fuel system is a common cause of power loss and engine stalling under load. Other causes include a clogged fuel filter or problems with the injection pump.
3. Why is it worth choosing a genuine JCB pump?A genuine JCB pump is made from materials that are 100% resistant to modern fuels and bio-components. This guarantees that the diaphragm and seals will not deteriorate and lose their seal after a short time, which is a common problem with cheap replacements.
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Injection System Protection
Guarantees a tight seal and prevents air ingress.
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Easy Servicing
Allows for quick and effective bleeding of the system.
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Genuine Quality
Guaranteed perfect fit and durability by JCB.
Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.
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Fits JCB: 3CX, 4CX, Telehandlers, Front loaders, Forklifts, Vibromax, Generators

















