3857997 Adapter | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta adapter from the Fuel System group, weighing 0.719 kg and listed for 22 applications. It supersedes part number 3856861, which was catalogued under the alternative spelling adaptor - the same part under a tidier name.

🚤 Compatibility

Full model list at the end of this description.

⚙️ Key Features

• 0.719 kg
• From the Fuel System group
• Supersedes 3856861
• Listed for 22 applications

🔌 Function

Joins two fuel system components that do not mate directly, carrying fuel across the joint while providing the mounting and sealing faces for both sides.

⚠️ Common Signs of Failure

• Fuel smell or weeping around the joint
• Fuel staining or a wet patch below the adapter
• Thread or sealing face damaged, nicked or corroded
• Air being drawn in on the suction side, giving rough running
• Adapter cracked around a port or a mounting hole

🛠️ Service Notes

• Renew the seals or gaskets either side and check both mating faces before fitting
• Any fuel joint should be pressure-checked and inspected dry after the engine has run

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3857997 → Supersedes 3856861

OEM / Related Numbers

• 3856861 earlier number superseded by this part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 5.7GSPBYC, 5.7GSPEFS, 5.7GSPWTR, 5.7GL-A, 5.7GL-B, 5.7GL-C, 5.7GL-D, 5.7GL-E, 5.0GL-A, 5.0GL-B, 5.0GL-C, 5.0GL-D, 5.0GL-E, 5.0GL-F, 5.0GL-FF, 5.0GL-HF, 5.0GL-J, 5.0GL-JF, 5.0GLPBYC, 5.0GLPEFS, 5.0GLPWTR, 5.0GL-H