78G1397 - Head gasket set

Quality replacement cylinder head gasket set suitable for Leyland 6/98 diesel engines fitted to Leyland and Marshall tractors, as well as marine and commercial vehicle applications.

This complete engine gasket set includes the main cylinder head gasket together with manifold, rocker cover and valve stem seal gaskets required during cylinder head overhaul and engine rebuild work.

Important! Head gasket length is: 792mm (31.3/16”)

Always check gasket length carefully before ordering, as earlier engines were fitted with a shorter gasket.

For earlier engines using a 779mm (30.3/4”) head gasket, see part number 78G1113

Suitable for the following tractors:

Leyland tractors:

• Leyland 285
• Leyland 2100
• Leyland 485
• Leyland 4100

Marshall tractors:

• Marshall 100
• Marshall 115
• Marshall 125

Also suitable for:

• Thornycroft 345 marine engine
• Leyland 6T165 marine engine
• Leyland Roadrunner 8.1
• Leyland Roadrunner 10.12
• Later BMC 5.1 VD engines
• Later BMC 5.7 VD engines

Gasket set contents:

• 1 x 86K622 / 86K1276 / NKJ203 cylinder head gasket
• 4 x AMK122 exhaust manifold to engine gaskets
• 1 x AMK9313 silencer gasket
• 3 x AMK125 inlet manifold to cylinder head gaskets
• 1 x CMK1342 / NKJ95 rocker cover gasket
• 6 x AMK80 exhaust valve stem seals
• 6 x AMK1572 inlet valve stem seals

Features:

• Quality replacement head gasket set
• Suitable for Leyland 6/98 diesel engines
• Includes major top end engine gaskets and seals
• Manufactured for reliable fit and sealing performance
• Ideal for engine rebuild and cylinder head overhaul work

This gasket set is commonly used during engine repairs, top end rebuilds and restoration projects on classic British tractors and diesel engines.

Ideal for customers searching for Leyland 6/98 head gaskets, Marshall tractor engine gaskets, cylinder head gasket sets, BMC diesel engine gasket kits, marine engine gasket sets and vintage tractor engine rebuild parts.

Suitable for vintage tractor restoration projects, agricultural diesel engine repairs and classic British engine overhaul work.

We specialise in quality parts for Nuffield, Leyland and Marshall tractors and aim to supply reliable tractor spare parts and engine components that fit correctly and perform reliably.