990950 Flange Lock Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange lock nut for use with 22193564, weighing 0.002 kg and listed for 90 applications across the D, TAD, TWD, TADH and BOX ranges. It consolidates six earlier part numbers - 21420029, 21405904, 21699972, 22066708, 22072117 and 948645.

🚤 Compatibility

• Engine Family: D, TAD, TWD, TADH, BOX
• HP Range: 145-480 HP

Full model list at the end of this description.

⚙️ Key Features

• For use with 22193564
• 0.002 kg
• 90 applications across five ranges
• Replaces six earlier numbers
• Flange and locking feature in one nut
• Quantity varies by assembly, most commonly one
• Also supersedes Volvo part numbers 21164276, 21165400, 3580377, 3817976, 3834042, 3842183, 861884 and 946036

🔌 Function

Locks a threaded joint with a flange that spreads the load and a locking feature that resists the nut backing off.

⚠️ Common Signs of Failure

• Joint working loose in service
• Nut spinning freely by hand once started
• Flange face flattened
• Thread stripped or pulled

🛠️ Service Notes

• It is listed for use with 22193564, so check that partner number is on the job as well
• Six earlier numbers now come through as this one nut - a parts list quoting 21420029, 21405904, 21699972, 22066708, 22072117 or 948645 points here
• Single use: the locking feature will not hold to the same figure a second time

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 990950 → Supersedes 21420029

OEM / Related Numbers

• 948645 earlier number superseded by this part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, D13B-E MG, D13B-F MG, D13B-N MH, 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 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 D8A2-A MP, D8A5-A MH, D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A4-A MP, D8A1-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 D11C1-A MP, D11C3-A MP, D11C2-A MP, D11C4-A MP
• Volvo Penta TAD840GE, TAD840-43VE, TAD840GE-B
• Volvo Penta TAD880-82GE, TAD880-84VE
• Volvo Penta TADH880-82GE, TADH880-84VE
• Volvo Penta BOX
• Volvo Penta PCC
• Volvo Penta TAD1140-42VE
• Volvo Penta TAD1150-52VE
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD841-43GE
• Volvo Penta TAD850-52VE
• Volvo Penta TAD851-53GE
• Volvo Penta TAD853VE
• Volvo Penta TAD870-73VE
• Volvo Penta TWD1744GE