21223174 Cylinder Liner Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D12 Single-Cylinder Liner and Piston Kit - Later Revision - Part Number: 21223174

A genuine Volvo Penta complete single-cylinder overhaul kit for later-revision D12 marine and industrial engines. It contains the liner, piston, rings, piston pin, clips and sealing components required to rebuild one cylinder.

The later liner design applies from engine serial 1012638800. On engines built before this change, Volvo requires all six cylinders to be converted together using overhaul kit 21223179.

⚙️ Key Features

• Genuine Volvo Penta later-revision D12 cylinder kit

• Applies from engine serial 1012638800

• One complete kit for one cylinder

• Six kits required for a complete later engine

• Direct SLP replacement available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21223174 current later-revision D12 cylinder-liner-kit reference

• Early engines must be converted as a complete set with 21223179

OEM / Related Numbers:

• 21223174

• 21223178 included piston-ring-kit family

• 21099425 included piston family

• 3155115 included gudgeon pin

• 914530 included snap ring

• 270950 included cylinder sealing / gasket kit

• 21223179 six-cylinder conversion / overhaul kit

Aftermarket / Verified Equivalents:

• SLP: CLK-174

• Mopa / heavy-engine suppliers: D12 liner kit by comparison number 21223174

📦 Kit Contents

• 21223174 cylinder liner - 1

• 21099425 piston - 1

• 21223178 piston ring kit - 1

• 3155115 gudgeon / piston pin - 1

• 914530 piston-pin snap ring - 2

• 270950 cylinder-liner sealing and gasket kit - 1

🚤 Compatibility

Commonly used on:

• Volvo Penta D12 marine, industrial and generating-set cylinder assemblies

Typically suits:

• Engine models / systems:

• Volvo Penta D12C-A MP from engine serial 1012638800

• Volvo Penta D12D-A, D12D-B, D12D-C and D12D-E where the later liner design is specified

• Volvo Penta D12 marine-commercial and industrial engines using piston 21099425

• HP Range: Application-dependent within the Volvo Penta D12 range

• Engine Type: Volvo 12.1-litre inline 6-cylinder turbocharged diesel

• Year Range: Approximately 2000s - 2010s

• Fitment Note: Use from engine serial 1012638800; earlier engines require complete six-cylinder conversion kit 21223179

🔌 Function

The kit restores the piston, cylinder bore, compression seal, oil control and liner-to-block coolant sealing for one cylinder.

Common signs of failure:

• Compression is low or crankcase blow-by is excessive

• Liner is scored, cavitated or cracked

• Piston or rings are damaged

• Coolant enters the crankcase around the liner seals

• Early and late liner designs have been mixed in one engine

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging