959799 Hexagon Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta hexagon screw 159 mm long, published at 0.091 kg and listed for 22 applications across the TD, TMD, D, TAMD and TID series. It supersedes 102030 and 941251, one of which was catalogued earlier simply as a screw. It is the only 159 mm screw in this run, so the length confirms it on its own.

🚤 Compatibility

• Engine Family: TD, TMD, D, TAMD, TID

Full model list at the end of this description.

⚙️ Key Features

• 159 mm long
• 0.091 kg
• 22 applications across five engine series
• Supersedes 102030 and 941251
• The only 159 mm screw in this run
• L=159mm / L=165mm (Volvo assembly listing)
• Quantity varies by assembly, most commonly two

🔌 Function

Clamps a joint together, drawing the two parts up tight as the hexagon head is torqued down.

⚠️ Common Signs of Failure

• Joint slackening and the screw found loose
• Head flats rounded by a worn spanner
• Threads stretched or stripped
• Corrosion seizing the screw
• Screw bent or broken on removal

🛠️ Service Notes

• The 159 mm length is unique to this screw in this run, so the length alone identifies it
• Check a long screw for stretch before reusing anything from the same joint

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 959799 → Supersedes 102030

OEM / Related Numbers

• 941251 earlier number superseded by this part
• 102030 earlier number superseded by this part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 TAMD122A, TAMD122A/C, TAMD122P-A, TAMD122P-B, TAMD122P-C
• Volvo Penta TD120C, TD120A, TD120G, TD120GG PP, TD120GG
• Volvo Penta TAMD102A, TAMD102D
• Volvo Penta TID120FG, TID120HPP
• Volvo Penta D120A
• Volvo Penta TAMD103A
• Volvo Penta TAMD121D
• Volvo Penta TID121FG
• Volvo Penta TMD100C
• Volvo Penta TMD102A
• Volvo Penta TMD121C
• Volvo Penta TMD122A