21307714 Exhaust Valve | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D2 Exhaust Valve - Part Number: 21307714

A heat-resistant exhaust valve used in selected Volvo Penta MD2040 and D2 four-cylinder marine diesel cylinder heads. Four exhaust valves are normally required per engine.

⚙️ Key Features

• Genuine Volvo Penta component

• Replaces or cross-references earlier valve numbers

• High-temperature valve-head and stem construction

• Four normally required per four-cylinder engine

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21307714 → Replaces or supersedes 21186282

• 21186282 → Related earlier reference 3580479

OEM / Related Numbers:

• 3580479 - earlier exhaust-valve reference

• 21186281 - inlet valve

• 3580305 - valve-stem seal

• 3580964 - valve spring

• 3580307 - spring washer

• 3580308 - valve cotters

• 3809624 - valve seat

• 21250646 - valve cap

Aftermarket / Verified Equivalents:

• No branded direct equivalent confirmed for every listed engine

🚤 Compatibility

Commonly used on:

• Volvo Penta MD2040 and D2 cylinder-head assemblies

Typically suits:

• Engine models:

• MD2040A

• MD2040B

• D2-40

• D2-40B

• D2-40F

• D2-50F

• D2-55

• D2-55B

• D2-55C

• D2-55D

• D2-55E

• D2-55F

• D2-60F

• D2-75

• D2-75B

• D2-75C

• D2-75F

• HP Range: Approximately 40 HP - 75 HP

• Engine Type: Four-cylinder marine diesel

• Year Range: Cylinder-head and engine-serial dependent

🔌 Function

Opens to release combustion gas from the cylinder into the exhaust manifold.

Common signs of failure:

• Low cylinder compression

• Difficult starting

• Rough running or misfire

• Burnt or cracked valve face

• Excessive valve-stem clearance

• Exhaust leakage past the valve seat

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging