31316551 Flange Bearing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta red-coded lower flange bearing from the Engine group, weighing 0.079 kg and listed for 30 D series engine applications. It supersedes 31339144, and the workshop manual gives the selection procedure.

🚤 Compatibility

• Engine Family: D
• HP Range: 110-220 HP

Full model list at the end of this description.

⚙️ Key Features

• Red colour code
• Lower shell, with flange
• 0.079 kg
• Supersedes 31339144
• 30 D series engine applications

🔌 Function

Provides the lower flanged main bearing shell, carrying the crankshaft and taking its axial load.

⚠️ Common Signs of Failure

• Deep rumble from the bottom end under load
• Crankshaft end float beyond specification
• Overlay or flange faces worn through the bearing layer
• Metal debris in the oil and on the filter
• Crankshaft journal or thrust face scored

🛠️ Service Notes

• It shares superseded number 31339144 with the upper red bearing 31316541, so upper and lower must be ordered by their own part numbers
• Colour is the size grade — follow the workshop manual procedure

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 31316551 → Supersedes 31339144

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D3-220I-G, D3-140A-F, D3-170A-F, D3-200A-F, D3-220A-F, D3-140I-F, D3-140A-G, D3-170A-G, D3-200A-G, D3-220A-G, D3-140I-G, D3-110I-F, D3-150I-F, D3-170I-F, D3-200I-F, D3-220I-F, D3-110I-G, D3-150I-G, D3-170I-G, D3-200I-G, D3-110I-H, D3-140A-H, D3-170A-H, D3-200A-H, D3-220A-H, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H, D3-140I-H