21047005 Valve Cover | Genuine Volvo Penta Part

🔧 Product Description

Brand-new genuine Volvo Penta valve cover for use in the Volvo Penta D13B-A MP marine engine cylinder-head cover. It encloses the specified engine assembly and maintains the original sealing, ventilation and mounting interfaces.

🚤 Compatibility

• Engine Family: D

Full model list at the end of this description.

⚙️ Key Features

• Genuine factory cover
• Correct shape, mounting points and sealing groove
• Protects internal components from contamination
• Supports the original breather or drainage arrangement where applicable
• Cover only; seals, inner covers and hardware are separate unless listed
• Engine type: Volvo Penta D13 inline six-cylinder marine diesel

🔌 Function

Encloses and protects the specified assembly while retaining oil or excluding contamination and maintaining the designed ventilation path.

⚠️ Common Signs of Failure

• Oil leakage around the cover perimeter
• Cracks or distortion around mounting points
• Damaged sealing groove or mating face
• Loose fasteners or repeated gasket failure
• External impact or corrosion damage

🛠️ Service Notes

• Fit a new gasket or seal whenever the cover comes off, and clean both faces down to clean, dry material without scoring them — use a plastic scraper on aluminium and on moulded covers, never an abrasive disc
• Check the cover itself for distortion and for cracks around the bolt holes, and renew the sealing rings, grommets or spacers that sit under the bolts along with it
• Draw the bolts down evenly from the centre outwards to the figure in the workshop manual for your engine; over-tightening distorts the cover and crushes the gasket, which is the usual reason a freshly gasketed cover still leaks
• Make sure the breather, oil filler and any sensor or fitting carried in the cover are clear and correctly sealed before it goes back on
• Degrease the area after fitting so that at the next check a genuine leak can be told from residual oil

🔄 Supersession & Cross Reference

OEM / Related Numbers

• Inner cover 20745844
• Draining bowl 8131751
• Sealing strip 20538793
• Sleeve 20450320

Other-Brand OEM Numbers

• VOE21047005

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D13C4-B MH, D13C1-B MH, D13C2-B MP, D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-A MP, D13B-H MP, D13B-G MP, D13B-L MP, D13B-E MG, D13B-E MG (FE), D13B-E MH, D13B-E MH (FE), D13B-F MG, D13B-F MG (FE), D13B-K MP, D13B-N MH, D13B-N MH (FE), D13B-B MP, D13B-D MP, D13B-J MP, D13B-M MP, D13B-C MP, D13C4-B MP, D13C5-B MP, D13C6-A MP, D13C1-A MH, D13C2-A MH, D13C1-B MG, D13C3-B MG, D13C2-B MG, D13C4-B MG, D13C5-A MP, D13C2-A MG, D13C1-A MG, D13C7-B MP, D13C8-B MP