3861087 Lock Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta lock nut, part of the installation hardware for Volvo Penta IPS 1, IPS 10 (type T/TS propellers).

🚤 Compatibility

• Engine Family: D, IPS
• HP Range: 260-480 HP

Full model list at the end of this description.

⚙️ Key Features

• 0.420 kg
• Marine Propulsion group
• Listed for 40 applications across the D and IPS families
• Lock nut.
• Listed for Volvo Penta IPS 1, IPS 10 (type T/TS propellers).
• Fits: Volvo Penta IPS 1, IPS 10 (type T/TS propellers)

🔌 Function

Clamps the hub onto its shaft and holds the assembled stack tight.

⚠️ Common Signs of Failure

• Hub or propeller found loose on the shaft
• Knocking or clonking when the drive is loaded or reversed
• Thread galled, stretched or pulled
• Flats rounded off by a slipping tool
• Corrosion locking the nut solid on the shaft

🛠️ Service Notes

• Fit with lock plate 3861088, which shares the same 40 listed applications
• Treat as single use if the thread is marked or the nut has been distorted
• Tighten to the figure in the workshop manual and lock it properly — this fastener retains the drive

📦 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, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, 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
• Volvo Penta IPS10-A, IPS10-B