3861203 Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta nut from the Marine Propulsion group, weighing 0.0386 kg and listed for 33 applications across the D and IPS families — the same 33 applications as shaft 3861202, which it retains.

🚤 Compatibility

• Engine Family: D, IPS
• HP Range: 260-435 HP

Full model list at the end of this description.

⚙️ Key Features

• 0.0386 kg
• Marine Propulsion group
• Listed for 33 applications across the D and IPS families
• Pairs with shaft 3861202

🔌 Function

Clamps the assembly on its shaft and holds the preload set on assembly.

⚠️ Common Signs of Failure

• Assembly working loose or developing end float
• Thread galled or stretched
• Flats rounded off by a slipping tool
• Locking feature already collapsed from a previous fit
• Corrosion seizing the nut to the shaft

🛠️ Service Notes

• Fit a new nut rather than reusing one that has been torqued and locked before
• Tighten to the figure in the workshop manual — this fastener sets the clamp on the shaft

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D6-330D-E, D6-370D-E, D6-330D-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-330D-F, D6-370D-F, D6-300D-F, D6-310D-D, D6-310D-C, D6-310D-E, D6-435D-D, D6-435D-E, D6-435D-F, D6-435D-C
• Volvo Penta D4-260D-C, D4-260D-D, D4-260D-E, D4-260D-F, D4-300D-C, D4-300D-D, D4-300D-E, D4-300D-F
• Volvo Penta IPS-A, IPS-B, IPS-F, IPS-C, IPS-D, IPS-E
• Volvo Penta 8.1IPSCE-MF, 8.1IPSCE-P, 8.1IPSCE-Q