990938 Flange Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta M5 flange nut, noted against the D+ and B- positions, weighing 0.005 kg and listed for 119 applications across the TAD, TAMD, D, TWD, TMD and TID series. It supersedes part number 965483, which was catalogued earlier as a nut set.

🚤 Compatibility

• Engine Family: TAD, TAMD, D, TWD, TMD, TID, TD, AD, MD, TADH, TB

Full model list at the end of this description.

⚙️ Key Features

• M5
• Noted for the D+ and B- positions
• 0.005 kg
• 119 applications across six engine series
• Supersedes 965483, earlier catalogued as a nut set
• Quantity varies by assembly, most commonly four
• Also supersedes Volvo part numbers 859021 and 876132

🔌 Function

Locks onto an M5 stud with an integral flange that spreads the clamping load across the face beneath it.

⚠️ Common Signs of Failure

• Connection loose at the stud
• Flange serrations flattened
• Thread stripped on a small stud
• Corrosion between nut and stud, common on terminal studs
• Heat discolouration around the joint

🛠️ Service Notes

• The number it replaces was supplied as a nut set, so check how many nuts the job actually needs before ordering this single item
• M5 flange nut 990938 and M6 flange nut 990939 are the two threaded sizes given in this group - check the stud size rather than picking by weight

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 990938 → Supersedes 965483 → Supersedes 829031

OEM / Related Numbers

• 965483 earlier number superseded by this part
• 840624 earlier number superseded by this part
• 829031 earlier number superseded by this part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-A MP, D13C4-A MP, D13B-A MP, D13B-C MH, D13B-H MP, D13B-G MP, D13B-E MG, D13B-E MG (FE), D13B-E MH, D13B-E MH (FE), D13B-F MG, D13B-F MG (FE), D13B-N MH, D13B-N MH (FE), D13B-L MP, D13B-B MP, D13B-D MP, D13B-M MP, D13C1-B MG, D13C2-B MG
• Volvo Penta D9A2J, D9A2G, D9A2L MH, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2M MP, D9A2A, D9A2C, D9A2E
• Volvo Penta TAMD122A, TAMD122A/C, TAMD122AF, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
• Volvo Penta D16C-A MG, D16C-A MH, D16C-B MH, D16C-C MH, D16C-D MH
• Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-TA
• Volvo Penta TAD1630G, TAD1630GE, TAD1630P, TAD1630PB
• Volvo Penta TID162AG, TID162AGP, TID162AP, TID162APB
• Volvo Penta TWD1630G, TWD1630P, TWD1630PP, TWD1630V
• Volvo Penta AD31D, AD31D-A, AD31XD
• Volvo Penta D12D-A MG, D12D-C MH, D12D-E MG
• Volvo Penta D5A-B TA, D5A-T, D5A-TA
• Volvo Penta TWD1210G, TWD1210P, TWD1210PB
• Volvo Penta MD2010, MD2010B
• Volvo Penta TAD1631GE, TAD1631G
• Volvo Penta TAD880-82GE, TAD880-84VE
• Volvo Penta TADH880-82GE, TADH880-84VE
• Volvo Penta TAMD102A, TAMD102D
• Volvo Penta TAMD31M, TAMD31D
• Volvo Penta TAMD72P-A, TAMD72WJ-A
• Volvo Penta TD121GP, TD121GPB
• Volvo Penta TWD1211P, TWD1211G
• Volvo Penta TAD1030P
• Volvo Penta TAD1180-83VE
• Volvo Penta TAD1660-62VE
• Volvo Penta TAD580-83VE
• Volvo Penta TAD940VE
• Volvo Penta TAD941VE
• Volvo Penta TAD942VE
• Volvo Penta TAD943VE
• Volvo Penta TAD950VE
• Volvo Penta TAD951VE
• Volvo Penta TAD952VE
• Volvo Penta TAMD121D
• Volvo Penta TAMD61A
• Volvo Penta TAMD62A
• Volvo Penta TAMD71A
• Volvo Penta TB90-A
• Volvo Penta TD100G
• Volvo Penta TD1210G
• Volvo Penta TMD102A
• Volvo Penta TMD121C
• Volvo Penta TMD122A
• Volvo Penta TMD31D
• Volvo Penta TWD1030ME
• Volvo Penta TWD1230ME
• Volvo Penta TWD1620G
• Volvo Penta TWD1643GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TWD1663GE