New full gasket set suitable for the Yanmar 3TNE66 three-cylinder diesel engine (67mm bore). This set contains all gaskets, oil seals, and seals required for a complete engine overhaul. The 3TNE66 is closely related to the 3TN66, 3TNA66, 3TNV66, and 3TNE66C variants — also known as Komatsu 3D66 / 3D66-1. This gasket set fits all 67mm-bore variants.
✔️ With graphite head gasket — flexible seal, suitable for standard engine overhauls
✔️ Suitable for all 3TN66 / 3TNA66 / 3TNE66 / 3TNV66 / 3TNE66C variants (67mm bore)
✔️ Includes head gasket, oil pan gasket, and crankshaft oil seals
Note: Always replace all gaskets during an overhaul to prevent leaks and loss of compression.
Yanmar engine
Komatsu engine
John Deere (compact tractors)
Tip: the 3TNE66 (67mm) is a different engine than the 3TNE68 (68mm). If in doubt, always check the complete engine type number — send it to us and we’ll be happy to help.