21252967 Bearing Shell Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D1-30 Connecting-Rod Bearing Shell Kit - Part Number: 21252967

A genuine Volvo Penta connecting-rod bearing shell kit used on the compact D1-30 marine diesel crankshaft and connecting-rod assembly.

The kit services one connecting-rod big-end journal and provides the matched upper and lower bearing shells needed to restore the specified crankpin oil clearance. Three kits are required for a complete three-cylinder engine.

⚙️ Key Features

• Genuine Volvo Penta OEM bearing shell kit

• Correct Volvo Penta part number 21252967

• Matched upper and lower connecting-rod bearing shells

• Services one crankpin / one connecting rod

• Three kits required for a complete D1-30 engine

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21252967 current Volvo Penta service reference

OEM / Related Numbers:

• 21252967

• VOE21252967

• 21132989 related main-bearing kit

• 3812206 related connecting rod

• 3812470 related piston kit

• 3812474 related piston-ring kit

Kit Contents:

• Upper connecting-rod bearing shell - supplied under kit number 21252967 - quantity 1; no separate Volvo service number published

• Lower connecting-rod bearing shell - supplied under kit number 21252967 - quantity 1; no separate Volvo service number published

Aftermarket / Verified Equivalents:

• No direct aftermarket equivalent verified

🚤 Compatibility

Commonly used on:

• Volvo Penta D1-30 crankshaft and connecting-rod assemblies

• Standard-journal bottom-end overhaul

Typically suits:

• Engine / Drive models:

• D1-30A where the parts diagram specifies 21252967

• D1-30B

• D1-30F where the parts diagram specifies 21252967

• HP Range: Approximately 28HP-30HP, depending on D1-30 version

• Engine / Drive Type: Volvo Penta 1.5L inline 3-cylinder naturally aspirated marine diesel

• Year Range: Approximately 2004 onward; confirm by engine specification and crankshaft journal size

🔌 Function

The two bearing shells form the replaceable low-friction surface between the connecting rod and crankshaft. Correct shell thickness preserves oil-film clearance and prevents direct rod-to-journal contact.

Common signs of failure or incorrect fitment:

• Connecting-rod knock

• Low oil pressure

• Copper or bearing material in the engine oil

• Crankpin scoring

• Measured oil clearance outside specification

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging