990942 Flange Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange nut for the HD cooler, weighing 0.025 kg and listed for 141 applications across the TAD, D, TWD, TADH and EM ranges. It replaces part numbers 22257075 and 971096.

🚤 Compatibility

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

Full model list at the end of this description.

⚙️ Key Features

• For the HD cooler
• 0.025 kg
• 141 applications across five ranges
• Replaces 22257075 and 971096
• Quantity varies by assembly, most commonly four
• Also supersedes Volvo part numbers 3838317 and 945410

🔌 Function

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

⚠️ Common Signs of Failure

• Cooler mounting or connection working loose
• Flange face flattened or picked up
• Thread stripped or pulled
• Salt corrosion seizing the nut to its stud

🛠️ Service Notes

• It is listed specifically for the HD cooler - check that against your installation rather than ordering on the nut size alone
• Two earlier numbers, 22257075 and 971096, both come through as this one nut

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 990942 → Supersedes 22257075

OEM / Related Numbers

• 971096 earlier number superseded by this part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 D6-370A-C, D6-330A-D, D6-330D-E, D6-370D-E, D6-330A-F, D6-370A-F, D6-330D-C, D6-330A-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-330D-F, D6-370A-D, D6-330A-E, D6-370A-E, D6-370D-F, D6-330I-D, D6-280I-D, D6-310I-D, D6-280I-E, D6-310I-E, D6-300A-F, D6-300D-F, D6-300I-F, D6-310D-D, D6-310D-C, D6-310D-E, D6-330I-C, D6-370I-C, D6-280A-C, D6-310A-C, D6-280A-D, D6-310A-D, D6-280A-E, D6-310A-E, D6-280I-C, D6-310I-C, 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, D6-330I-F, D6-370I-F, D6-400A-E, D6-435D-F, D6-400A-F, D6-435I-F, D6-370I-D, D6-330I-E, D6-370I-E, D6-480A-G
• Volvo Penta D4-260A-C, D4-260A-D, D4-260A-E, D4-260A-F, D4-260D-C, D4-260D-D, D4-260D-E, D4-260D-F, D4-260I-C, D4-260I-D, D4-260I-E, D4-260I-F, D4-300A-C, D4-300A-D, D4-300A-E, D4-300A-F, D4-300D-C, D4-300D-D, D4-300D-E, D4-300D-F, D4-180I-C, D4-225I-C, D4-180I-D, D4-225I-D, D4-180I-E, D4-225I-E, D4-180I-F, D4-225I-F, D4-225A-C, D4-225A-D, D4-300I-C, D4-300I-D, D4-300I-E, D4-300I-F, D4-225A-E, D4-225A-F, 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, D4-175 VG
• Volvo Penta D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A7-A MP, D8A8-A MP
• Volvo Penta D13C1-B MG, D13C3-B MG, D13C2-B MG, D13C4-B MG
• Volvo Penta TAD880-82GE, TAD880-84VE
• Volvo Penta TADH880-82GE, TADH880-84VE
• Volvo Penta EM-PMI540-T3000-2000-QUAD
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD1180-83VE
• Volvo Penta TAD1341-43GE-B
• Volvo Penta TAD1344-45GE-B
• Volvo Penta TAD1371-75VE
• Volvo Penta TAD1380-82GE
• Volvo Penta TAD1381-85VE
• Volvo Penta TAD1384-85VE-IWP
• Volvo Penta TAD1670-72VE
• Volvo Penta TAD570-72VE
• Volvo Penta TAD580-83VE
• Volvo Penta TAD870-73VE
• Volvo Penta TWD1682-83GE
• Volvo Penta TWD1683VE
• Volvo Penta TWD1744GE