Gasket kit Yanmar 3TNE78 | 3TNE78A | 3D78AE | 3TNE78A-TBY

Description

Complete gasket set suitable for the Yanmar 3TNE78 (78mm bore). This set contains all gaskets, oil seals and seals required for a full engine rebuild. The 3TNE78 is used in Yanmar ViO mini-excavators and B22 compactors, John Deere compact tractors and front mowers, and in Komatsu, Kobelco and Takeuchi mini-excavators and wheel loaders.

✔️ Exact OEM fit — 1-to-1 replacement of original Yanmar gaskets
✔️ Complete with head gasket, crankshaft seals and all rebuild gaskets
✔️ Fits 3TNE78, 3TNE78A and 3D78AE variants

Specifications:

• Engine: Yanmar 3TNE78 / 3TNE78A / 3D78AE
• Bore: 78 mm

Kit contents:

• Cylinder head gasket
• Valve cover gasket
• Valve stem seals
• Intake manifold gasket
• Exhaust manifold gasket
• Oil pan / sump gasket
• Timing cover gasket
• Crankshaft seals (front + rear)
• Various smaller gaskets and O-rings

Tip: Always replace all gaskets at once during an engine rebuild — a leaking remnant gasket undoes the entire job.

Fits:

Yanmar

• ViO27-2
• B22-2A, B22-2B
• AF220, AF222

John Deere

• 1445, 3215A, F1145
• 4200

Kobelco

• SK25SR, Z63

Komatsu

• PC20R-8, PC27R-8
• SK025, SK05-1
• WA20-2, WA20-3
• JV25CR, JW30-2

Takeuchi

• TB25FR

OEM cross-reference:

• 719822-92620, 71982292620 — Complete gasket set
• 119818-01330, 11981801330 — Cylinder head gasket