21344778 Flange Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange screw used in the cylinder-head and bearing-housing assembly on TAD1340VE engines. It provides the designed clamp load and alignment for the specified head or camshaft-bearing position.

🚤 Compatibility

• Engine Family: D, TAD

Full model list at the end of this description.

⚙️ Key Features

• M10 thread, 120 mm long
• Flange screw in the cylinder-head and bearing-housing assembly on TAD1340VE engines
• 0.073 kg
• Supersedes 20537512
• Listed for 51 applications across the D and TAD ranges
• M10x120mm (Volvo assembly listing)
• 12 used per assembly

🔌 Function

Clamps the cylinder-head or bearing-housing joint at its assigned position, providing the designed clamp load and alignment.

⚠️ Common Signs of Failure

• Leak or weep at the joint the screw clamps
• Tapping or a knock where a bearing housing has lost clamp load
• Fixings found at uneven tightness on checking
• Screw found stretched, with a necked or pulled thread
• Housing or head faces found fretted on strip-down

🛠️ Service Notes

• Check the M10 thread and 120 mm length against the illustrated position - this assembly uses several screw lengths
• It replaces 20537512, so that older number crosses to this screw

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21344778 → Supersedes 20537512

OEM / Related Numbers

• 20537512 earlier number superseded by this part
• 22784351 - cylinder-head references
• 3801880 - cylinder-head references
• 20907267 - bearing housing

📦 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-E MG, D13B-E MG (FE), D13B-F MG, D13B-F MG (FE), D13B-N MH, D13B-N MH (FE), D13C4-B MP, D13C5-B MP, D13C6-A MP, D13C1-B MG, D13C3-B MG, D13C2-B MG, D13C4-B MG, D13C5-A MP, D13C7-B MP, D13C8-B MP
• Volvo Penta TAD1341-43GE-B, TAD1341VE, TAD1341GE
• Volvo Penta TAD1344-45GE-B, TAD1344VE, TAD1344GE
• Volvo Penta TAD1342VE, TAD1342GE
• Volvo Penta TAD1343VE, TAD1343GE
• Volvo Penta TAD1345GE, TAD1345VE
• Volvo Penta TAD1350GE, TAD1350VE
• Volvo Penta TAD1351GE, TAD1351-53VE
• Volvo Penta TAD1340VE
• Volvo Penta TAD1346GE
• Volvo Penta TAD1352GE
• Volvo Penta TAD1353GE
• Volvo Penta TAD1354GE
• Volvo Penta TAD1355GE
• Volvo Penta TAD1360-62VE
• Volvo Penta TAD1363-65VE
• Volvo Penta TAD1371-75VE
• Volvo Penta TAD1380-82GE
• Volvo Penta TAD1381-85VE
• Volvo Penta TAD1384-85VE-IWP