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This is a new 98mm cylinder liner, commonly known as the bubble liner, suitable for later Leyland tractors and Marshall tractor engines where they are fitted with either the four ring piston or the three ring piston in the Leyland 4/98 or 6/98 engine.
Please check the liner dimensions before ordering. If you are unsure whether this is the correct liner for your engine, please contact us for advice before placing your order. We are able to work out from your engine serial number which liner you should have in your engine so if you are in any doubt please contact us before ordering.
Fitted to the following tractors:
Also fitted to:
Technical details:
Related parts:
Pistons and ring sets to suit this liner:
Original equipment manufacturers names and parts numbers are quoted for reference purposes only and are not intended to suggest that our replacement parts are made by the original equipment manufacturer.
Product images are for illustrative purposes only and may not always be an exact representation of the product.

NKJ149 is commonly known as the bubble liner because of its distinctive outside shape. It has a raised section around the liner, a little like a take-away coffee cup with a cardboard sleeve around it. Customers may refer to this part as either NKJ149 cylinder liner, or a bubble liner.