990811 Flange Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange screw with an M12 x 55 mm thread, weighing 0.064 kg and listed for 37 D-series applications. It supersedes part number 965227, which was catalogued earlier as a hexagon screw.

🚤 Compatibility

• Engine Family: D
• HP Range: 145-480 HP

Full model list at the end of this description.

⚙️ Key Features

• M12 x 55 mm
• 0.064 kg
• 37 D-series applications
• Supersedes 965227, earlier catalogued as a hexagon screw
• Integral flange head
• M12x50mm / M12x55mm (Volvo assembly listing)

🔌 Function

Clamps a joint with an integral flange under the head that spreads the clamping load over the surface beneath it.

⚠️ Common Signs of Failure

• Joint working loose under load
• Flange face bedded in or scored
• Thread pulled or galled
• Head rounding under a socket

🛠️ Service Notes

• The number it replaces was listed as a hexagon screw rather than a flange screw, so check whether a separate washer was fitted with the original before ordering
• M12 flange screw 990809 is the 35 mm version of this thread size - measure before ordering, since the two are only separated by length

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 990811 → Supersedes 965227 → Supersedes 970975 → Supersedes 955345 → Supersedes 100559

OEM / Related Numbers

• 965227 earlier number superseded by this part
• 970975 earlier number superseded by this part
• 955345 earlier number superseded by this part
• 902333 earlier number superseded by this part
• 100559 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-400A-G, D6-440A-G, D6-300I-G, D6-480A-G
• Volvo Penta D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G, D4-145I-G
• Volvo Penta D8A5-A MH, D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A1-A MP, D8A2-A MP, D8A3-A MP, D8A4-A MP