21537993 Connecting Rod | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D5/D8 Connecting Rod - Part Number: 21537993

A forged connecting rod used in selected Volvo Penta D5 and D8 engine families. It links the piston and gudgeon pin to the crankshaft and carries the full combustion and inertia loads of the reciprocating assembly.

⚙️ Key Features

• Genuine Volvo Penta forged connecting rod

• Precision-machined big-end and small-end bores

• Matched rod-cap joint for correct bearing crush

• Uses two flange screws 21544941 per rod

• Superseded by connecting rod 22571627

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 22571627 → Supersedes 21537993

OEM / Related Numbers:

• 21544941 - connecting-rod flange screw

• 21908108 - related big-end bearing kit

• 22720415 - related big-end bearing kit

• 22960905 - gudgeon pin

• 22840297 and 22937567 - related crankshaft references

Aftermarket / Verified Equivalents:

• No aftermarket equivalent recommended for this critical matched engine component

🚤 Compatibility

Commonly used on:

• Volvo Penta D5 and D8 crank mechanisms

Typically suits:

• Engine models:

• TAD540VE

• TAD541VE

• TAD542VE

• TAD550VE

• TAD551VE

• TAD552VE

• TAD570VE

• TAD571VE

• TAD572VE

• TAD840VE

• TAD841VE

• TAD842VE

• TAD843VE

• TAD850VE

• TAD851VE

• TAD852VE

• TAD853VE

• TAD870VE

• TAD871VE

• TAD872VE

• TAD873VE

• D8A1-A MP

• HP Range: Engine-rating dependent

• Engine Type: Four- or six-cylinder turbocharged common-rail diesel

• Year Range: Piston, crankshaft and engine-serial dependent

🔌 Function

Transfers combustion force from the piston to the crankshaft while controlling piston travel through the cylinder.

Common signs of failure:

• Big-end bearing knock

• Bent or twisted rod

• Abnormal piston protrusion

• Cracked rod or rod cap

• Bearing failure following oil starvation or incorrect fastener torque

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging