21261206 Connecting Rod | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D13 Marine Connecting Rod - Part Number: 21261206

Genuine heavy-duty connecting rod used in the Volvo Penta D13B-A MP marine diesel engine and related D13 marine configurations that specify part number 21261206. The rod connects the piston to the crankshaft and must be assembled with matched bearing shells, piston pin and fasteners.

⚙️ Key Features

• Confirmed D13B-A MP application

• Forged heavy-duty diesel connecting rod

• Precision big-end and small-end bores

• Designed for 12.8-litre D13 combustion loads

• Rod, cap and fasteners must remain as a matched assembly

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21261206 - Current OEM part number

OEM / Related Numbers:

• 21261206

Aftermarket / Verified Equivalents:

• No branded aftermarket equivalent confirmed

Associated Service Parts:

• 20730398 - Small-end bushing

• 20486228 - Connecting-rod flange screw

• 20540765 - Piston pin

• 270950 - Piston and liner gasket kit

• 914531 - Snap ring

• 20760235 - Cylinder liner

• 22025769 - Piston

• 1677591 / 1677592 / 1677593 - Piston-height shims

• 20580558 / 20711963 - Big-end bearing-kit references by size

🚤 Compatibility

Confirmed application:

• D13B-A MP

Related application:

• Additional D13B marine engines only where connecting rod 21261206 is shown in the serial-specific piston and crankshaft diagram

• Engine Type: 12.8-litre inline 6-cylinder turbocharged marine diesel

• Quantity per engine: 6

• Confirm piston, bearing grade, rod version and engine serial number

🔌 Function

The connecting rod transfers combustion force from the piston to the crankshaft and converts reciprocating piston movement into rotary torque.

Common signs of failure:

• Deep knocking under load

• Low oil pressure caused by big-end bearing wear

• Bent or twisted rod

• Cracked rod or cap

• Worn small-end bushing

• Metal particles in the engine oil

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging