3985598 Adapter | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta adapter, 25.8 mm in diameter, from the Cables and Fuses group and listed for 226 applications across the D, TAD, TWD, EPT and TADH series. It carries the same fitment list as the 32 mm long adapter 3985597, and its published weight of under half a gram is too small to identify it by, so use the diameter.

🚤 Compatibility

• Engine Family: D, TAD, TWD, EPT, TADH
• HP Range: 110-220 HP

Full model list at the end of this description.

⚙️ Key Features

• 25.8 mm in diameter
• 226 applications across the D, TAD, TWD, EPT and TADH series
• Cables and Fuses group
• Published weight is too small to be a useful identifier
• 25.8mm (Volvo assembly listing)

🔌 Function

Adapts one connector or terminal size to another in the engine wiring so the joint mates correctly and stays sealed.

⚠️ Common Signs of Failure

• Intermittent circuit that comes and goes with vibration
• Corrosion or green deposit inside the connector
• Adapter cracked or split so it will not seat
• Terminal loose or pushed back in the body
• Water tracking in past a failed seal

🛠️ Service Notes

• Identify by diameter — 3985597 is the 32 mm long adapter on the same fitment list
• Dry and clean the joint before reassembly and check the seal is intact

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D3-110I-B, D3-110I-C, D3-130I-C, D3-220I-G, D3-130A-A, D3-160A-A, D3-130A-B, D3-160A-B, D3-130A-C, D3-160A-C, D3-140A-D, D3-170A-D, D3-200A-D, D3-220A-D, D3-140I-D, D3-140A-E, D3-170A-E, D3-200A-E, D3-220A-E, D3-140I-E, 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, D3-190A-B, D3-190A-C, D3-190I-A, D3-110I-A, D3-130I-A, D3-160I-A, D3-110I-D, D3-150I-D, D3-170I-D, D3-200I-D, D3-220I-D, D3-110I-E, D3-150I-E, D3-170I-E, D3-200I-E, D3-220I-E, 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, D3-160I-C, D3-190I-B, D3-190I-C, D3-140A-H, D3-170A-H, D3-200A-H, D3-220A-H, D3-130I-B, D3-160I-B, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H, D3-140I-H
• Volvo Penta D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-A MP, D13B-C MH, D13B-H MP, D13B-G MP, D13B-L MP, D13B-E MG (FE), D13B-E MH, D13B-E MH (FE), D13B-F MG, D13B-F MG (FE), D13B-K MP, D13B-N MH, D13B-N MH (FE), D13B-B MP, D13B-D MP, D13B-J MP, D13B-M MP, D13B-C MP, D13C6-A MP, D13C1-A MH, D13C2-A MH, D13C5-A MP, D13C2-A MG, D13C1-A MG
• Volvo Penta D12C-A MP, D12D-A MH, D12D-A MP, D12D-B MH, D12D-B MP, D12D-C MH, D12D-C MP, D12D-D MP, D12D-E MH, D12D-E MP, D12D-F MP, D12D-G MH, D12D-G MP, D12D-H MP
• Volvo Penta D11B3-A MP, D11B4-A MP, D11A-A, D11A-B, D11A-C, D11A-D, D11A-E, D11B2-A MP, D11A-C MP, D11A-D MP, D11A-E MP, D11A-C (IPS), D11B1-A MP
• Volvo Penta D9A2J, D9A2G, D9A2L MH, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2M MP, D9A2A, D9A2C, D9A2E
• Volvo Penta D16C-A MG, D16C-A MH, D16C-B MH, D16C-C MH, D16C-D MH
• Volvo Penta D8A1-A MP, D8A2-A MP, D8A3-A MP, D8A4-A MP
• Volvo Penta TAD1640-42GE-B, TAD1640GE, TAD1640VE-B
• Volvo Penta TAD1641VE-B, TAD1641GE, TAD1641VE
• Volvo Penta TAD1642VE-B, TAD1642GE, TAD1642VE
• Volvo Penta TAD1650VE-B/51VE, TAD1650GE, TAD1650VE
• Volvo Penta TAD1241VE, TAD1241-42VE
• Volvo Penta TAD1250VE, TAD1250-52VE
• Volvo Penta TAD1341-43GE-B, TAD1341VE
• Volvo Penta TAD1344-45GE-B, TAD1344VE
• Volvo Penta TAD1643VE-B, TAD1643VE
• Volvo Penta TAD570-72VE, TAD570-71VE-B
• Volvo Penta TAD840GE, TAD840-43VE
• Volvo Penta TAD880-82GE, TAD880-84VE
• Volvo Penta TAD940GE, TAD940VE
• Volvo Penta TAD941VE, TAD941GE
• Volvo Penta TADH880-82GE, TADH880-84VE
• Volvo Penta TWD1683GE-B, TWD1683VE
• Volvo Penta EPT802
• Volvo Penta TAD1140-42VE
• Volvo Penta TAD1150-52VE
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD1180-83VE
• Volvo Penta TAD1242VE
• Volvo Penta TAD1251VE
• Volvo Penta TAD1252VE
• Volvo Penta TAD1340VE
• Volvo Penta TAD1342VE
• Volvo Penta TAD1343VE
• Volvo Penta TAD1345VE
• Volvo Penta TAD1350VE
• Volvo Penta TAD1351-53VE
• Volvo Penta TAD1360-62VE
• Volvo Penta TAD1363-65VE
• Volvo Penta TAD1371-75VE
• Volvo Penta TAD1380-82GE
• Volvo Penta TAD1381-85VE
• Volvo Penta TAD1384-85VE-IWP
• Volvo Penta TAD1651GE
• Volvo Penta TAD1660-62VE
• Volvo Penta TAD1662VE EU5
• Volvo Penta TAD1670-72VE
• Volvo Penta TAD540-42VE
• Volvo Penta TAD550-51VE
• Volvo Penta TAD552VE
• Volvo Penta TAD580-83VE
• Volvo Penta TAD850-52VE
• Volvo Penta TAD853VE
• Volvo Penta TAD870-73VE
• Volvo Penta TAD942VE
• Volvo Penta TAD943VE
• Volvo Penta TAD950VE
• Volvo Penta TAD951VE
• Volvo Penta TAD952VE
• Volvo Penta TWD1240VE
• Volvo Penta TWD1643GE
• Volvo Penta TWD1644-45GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TWD1663GE
• Volvo Penta TWD1672-1673GE
• Volvo Penta TWD1682-83GE