Engine Overhaul Kit – Beta Marine Beta 20 | Nanni N3.21

Description

✅ Complete engine overhaul kit for Beta Marine Beta 20 and Nanni N3.21

This complete overhaul kit brings your 3-cylinder marine diesel (67 mm bore) back to top condition. The kit contains all parts to professionally overhaul the head, pistons and bearings, with perfect fit and reliable sealing.

Benefits

• ✔️ All-in-one: gaskets, pistons and bearings in one kit
• ✔️ Direct fit for the 67 mm 3-cylinder block family
• ✔️ Restores compression, power and smooth running

Kit Contents

• Complete gasket set: cylinder head gasket(s), crankshaft seal, valve stem seals, exhaust and intake gaskets
• 3 complete pistons + piston rings
• Complete bearing set: connecting rod bearings, main bearings and thrust bearings
• Bore: 67 mm

Technical Specifications

• Bore: 67 mm
• Number of cylinders: 3
• Piston size: available in Standard (STD) and Oversize (+0.5)
• Oversize applies to pistons only; oversize bearings available upon request

Suitable for (marine)

Beta Marine

• Beta 20 (based on BD722)

Nanni

• N3.21 (3-cylinder marine diesel)

OEM for reference

• Overhaul kit assembled according to the original 67 mm 3-cylinder block specification (BD722)