990944 Flange Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange nut weighing 0.05 kg and listed for 84 applications across the D, TAD, TWD and TADH ranges. It supersedes part number 966818, which was catalogued earlier as a nut plate.

🚤 Compatibility

• Engine Family: D, TAD, TWD, TADH

Full model list at the end of this description.

⚙️ Key Features

• 0.05 kg
• 84 applications across four ranges
• Supersedes 966818, earlier catalogued as a nut plate
• Quantity varies by assembly, most commonly two

🔌 Function

Locks a stud or bolt with an integral flange that spreads the clamping load across the joint face.

⚠️ Common Signs of Failure

• Joint loosening in service
• Flange face flattened or distorted
• Thread stripped or crossed
• Nut seized to the stud by corrosion

🛠️ Service Notes

• The number it replaces was catalogued as a nut plate rather than a single nut, so check what is actually fitted and how many fixings the joint takes before ordering

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 990944 → Supersedes 966818 → Supersedes 848793

OEM / Related Numbers

• 966818 earlier number superseded by this part
• 848793 earlier number superseded by this part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 D13C3-B MH, D13C1-B MH, D13C4-B MH, D13C2-B MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-E MG, D13B-E MG (FE), D13B-F MG, D13B-F MG (FE), 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, D13C9-A MP
• Volvo Penta D8A5-A MH, D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A1-A MP, D8A2-A MP, D8A3-A MP, D8A7-A MP, D8A8-A MP
• Volvo Penta D16C1-E MG, D16C1-F MG, D16C2-E MG, D16C2-F MG, D16C1-E MH, D16C1-F MH, D16C2-E MH, D16C2-F MH
• Volvo Penta TAD1641VE-B, TAD1641GE, TAD1641VE
• Volvo Penta TAD1642VE-B, TAD1642GE, TAD1642VE
• Volvo Penta TAD1650VE-B/51VE, TAD1650GE, TAD1650VE
• Volvo Penta TAD840GE, TAD840-43VE, TAD840GE-B
• Volvo Penta D9A2L MH, D9A2M MP
• Volvo Penta TAD1640GE, TAD1640VE-B
• Volvo Penta TAD880-82GE, TAD880-84VE
• Volvo Penta TADH880-82GE, TADH880-84VE
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD1643VE
• Volvo Penta TAD1651GE
• Volvo Penta TAD1660-62VE
• Volvo Penta TAD1662VE EU5
• Volvo Penta TAD1670-72VE
• Volvo Penta TAD560VE
• Volvo Penta TAD561VE
• Volvo Penta TAD620VE
• Volvo Penta TAD660VE
• Volvo Penta TAD720VE
• Volvo Penta TAD721VE
• Volvo Penta TAD841-43GE
• Volvo Penta TAD850-52VE
• Volvo Penta TAD851-53GE
• Volvo Penta TAD853VE
• Volvo Penta TAD870-73VE
• Volvo Penta TWD1643GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TWD1663GE