21242902 Gasket | Genuine Volvo Penta Part

🔧 Product Description

An elastomer gasket fitted between individual cooling plates in selected D13 and D16 plate-type heat exchangers. The required quantity varies with the cooler stack and can exceed 40 gaskets.

🚤 Compatibility

• Engine Family: D

Full model list at the end of this description.

⚙️ Key Features

• Correct moulded port arrangement
• Resistant to heat, coolant and seawater
• Replace all disturbed gaskets during overhaul
• Direct replacement where part number 21242902 is specified
• Engine type: D13 or D16 marine diesel
• Also supersedes Volvo part number 21543907

🔌 Function

Seals the edges and ports of each cooling plate so coolant and seawater remain in separate passages.

⚠️ Common Signs of Failure

• External leakage from the plate stack
• Coolant and seawater cross-contamination
• Hardened or flattened gasket
• Repeated leakage caused by incorrect plate compression

🛠️ Service Notes

• Fit a new gasket every time the joint is disturbed — a gasket takes a permanent set once it has been torqued and will not seal reliably a second time
• Scrape both faces back to clean bare metal, keeping the blade at a shallow angle so it lifts the old material without gouging the surface, and use a plastic scraper on aluminium castings
• Check the faces for flatness, cracks and corrosion pitting, and make sure no old gasket, carbon or hardened sealant is left in the corners or around the bolt holes
• Fit the gasket dry unless the workshop manual for your engine calls for a sealant, and then only the type it specifies — surplus sealant squeezes out into oil, coolant and fuel passages
• Draw the fasteners down progressively in the sequence and to the torque given in the manual for your engine, and recheck after the first heat cycle where the manual asks for it

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21242902 → Supersedes 21242901

OEM / Related Numbers

• 21242901 earlier number superseded by this part
• 21242894, 21242895, 21242897 and 21242898 - cooling plates
• 23023374 - related D13C6 heat-exchanger overhaul kit containing 16 gaskets for the applicable service section

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D13C3-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, D13C5-A MP, D13C2-A MG, D13C1-A MG, D13C7-B MP, D13C8-B MP