Inlet manifold gasket 320/05550, aftermarket

320/05550

Brand
OKKS
Article
320/05550
Machine system
Engine
Part type
Gasket
Machine brand
JCB
Manufacturing type
Aftermarket
Compatibility
JCB Dieselmax 444
All the features

In stock

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For the JCB Dieselmax 444 engine: inlet manifold gasket 320/05550, an aftermarket part.

The shape and hole pattern of a gasket are set by where it fits, so it is chosen by part number. Hot joints use metal or metal-reinforced gaskets; oil and water joints use rubber or paper-based ones. Check the condition of the fixing bolts along with the gasket.

Specifications

Part number	320/05550
Production type	Aftermarket
Part type	Gasket
System / group	Engine
Machine make	JCB

Compatibility

The part is listed for JCB 3CX and 4CX backhoe loaders. The gasket fits between the inlet manifold and the head; a leak lets the engine draw unfiltered air. The catalogue also has the genuine version of this part. Other parts are in JCB Dieselmax engine.

Fitting

Clean the joint faces completely of old gasket and keep them dry; lay the new gasket with the holes lined up and tighten the bolts evenly in a cross pattern. After assembly, run the engine and check the joint.

Specifications

Machine system
Engine
Part type
Gasket
Machine brand
JCB
Manufacturing type
Aftermarket
Compatibility
JCB Dieselmax 444

Questions: 0

No questions about this product.

07/10/2026 36

JCB Dieselmax Engine in the JCB 3CX / 4CX: Builds, Technical Data and Servicing

Section K of the JCB service manual (publication 9803/3290-14) deals with the installation of the JCB Dieselmax engine in JCB 3C, 3CX and 4CX backhoe loaders. It gives the technical data for each engine build, the cold start heater electrics with their fault codes and the operation of the viscous fan coupling, together with the removal procedures for the radiator, expansion tank, fuel injection pump and the engine itself. The PDF runs to 30 pages.