An essential engine sealing component – a high-quality intake and exhaust manifold gasket, designed for naturally aspirated Perkins AR and AS series engines. It is a key component that provides a hermetic seal between the engine's cylinder head and the manifold. Made from materials resistant to high temperatures and pressure, it prevents leaks that could lead to a loss of power, rough engine operation, and a loud exhaust.
By choosing GX-OEM parts, you are choosing the uncompromising quality of the original assembly. Our products are made with the highest precision, guaranteeing a perfect fit and parameters identical to the original. This is the best investment in the long and trouble-free operation of your machine.
| Brand | Type / Series / Model |
|---|---|
| JCB | Backhoe Loaders: 2CX, 2DX, 3CX, 4CX Telehandlers (Loadall) Wheel Loaders, Rough Terrain Forklifts (RTFL), Skid Steer Loaders (ROBOT) |
The list above is for reference. Before purchasing, we recommend verifying the part number in the parts catalogue for your machine.
Before starting work on the exhaust manifold, ensure the engine and its components are completely cool. The exhaust manifold reaches extremely high temperatures, and contact with it can cause severe burns.
The manifold gasket is crucial for the engine's proper "breathing". If it blows or cracks, it causes leaks that negatively affect engine performance and operator comfort.
A blown manifold gasket means lost power and loud, unpleasant operation.
An intake manifold leak disrupts the air-fuel mixture, while an exhaust leak is noisy and can be hazardous to the operator. Don't ignore these symptoms – order a new, OEM-quality gasket and restore your engine's quiet operation and full power.
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In many engines, as in this case, the intake and exhaust manifolds are mounted on the same side of the cylinder head and use a single, common gasket. In other designs, they are two separate components. The exhaust manifold gasket must be made of materials resistant to the extremely high temperatures of the exhaust gases.
2. Can I use high-temperature silicone instead of this gasket?Absolutely not. Silicone is not able to withstand the extreme pressures and pulsations of the exhaust gases in the exhaust manifold and will be "blown out" very quickly. A dedicated, properly reinforced gasket must always be used.
3. Why does an intake manifold leak cause a loss of power?The engine's computer determines the fuel dose based on the amount of air measured by the mass air flow sensor. If additional, "unmetered" air enters the cylinders through a leaking gasket, the air-fuel mixture becomes too lean. This leads to a loss of power, rough running, and in extreme cases, can damage the valves.
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System Sealing
Eliminates blow-by and "false" air intake.
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Full Engine Power
Restores the correct air-fuel mixture.
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Quiet Operation
Reduces noise caused by exhaust leaks.
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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Manifold gasket suitable for many JCB machines, including: 2CX 3CX 4CX, telehandlers with naturally aspirated AS AR engine.

















