A high-quality 02/630581 rocker cover (valve cover) gasket, GX-OEM quality. This is a key component for sealing the top of the engine, mounted between the cylinder head and the rocker cover. It is designed for 3-cylinder Perkins 400 series (e.g., 403D-11, 403C-11, 403F-11) engines. Fits a range of compact JCB machines, including mini excavators (8014-8018, 16C-1, 18Z-1, 19C-1), MICRO, MINI CX.
By choosing GX-OEM parts, you are choosing uncompromising first-assembly quality. 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 | Series / Model / Engine Type |
|---|---|
| JCB | Mini Excavators (16C-1, 18Z-1, 19C-1, 8010, 8014, 8015, 8016, 8017, 8018), MICRO, MINI CX, ROBOT, TELETRUK |
| Engine Compatibility (Perkins) | |
| Perkins 400 | GJ (403D-11), HH (403C-11), HHC (403C-11), HHG (403C-11), EJ (403F-11), GT (403A-11) |
Fits JCB 801-series excavators with the HH engine and many other machines with compatible 3-cylinder Perkins engines.
When replacing the rocker cover gasket, it is worth checking the condition of the bolt sealing washers (if fitted) and the crankcase breather (PCV).
A leaking rocker cover gasket leads to engine oil leaks. Oil dripping onto hot engine components (like the exhaust manifold) creates a serious fire hazard. Furthermore, the leak coats the engine in grime and can contaminate the drive belts.
The 02/630581 gasket is a formed seal placed in the groove of the valve cover (rocker cover). Its job is to hermetically seal the top of the engine, preventing oil (splashed by the moving valve train) from leaking out.
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No, this gasket (02/630581) is for 3-cylinder engines (like 403C/D/F/A). The 404C-22T is a 4-cylinder engine and requires a different, longer gasket (e.g., 02/630675).
No, this is the rocker cover gasket (for the very top of the engine). The head gasket (e.g., 02/630575) is a completely different, multi-layer steel gasket between the block and the head.
Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.
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Gasket rocker cover suitable for JCB 801 mini excavators with HH engine.

















