17506913 Expansion Tank | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Expansion Tank - Part Number: 17506913

This genuine Volvo Penta expansion tank is a cooling-system service component used in the coolant expansion-tank and deaeration assembly. It is manufactured to the original Volvo dimensional, material and interface requirements so the serviced assembly retains its designed alignment, sealing, load capacity and operating reliability. In service, it provides coolant expansion volume, a deaeration chamber and the controlled filling/pressure-cap point for the cooling circuit. Selection must be confirmed by OEM part number 17506913, the exact engine/product model, serial number and installed configuration.

⚙️ Key Features

• Genuine Volvo Penta OEM expansion tank

• OEM part number 17506913

• Documented application: coolant expansion-tank and deaeration assembly

• Validated family: Volvo Penta/Volvo Group heavy-duty diesel cooling system

• Primary function: Provides coolant expansion volume, a deaeration chamber and the controlled filling/pressure-cap point for the cooling circuit.

• Renew associated seals and clamps, pressure-test the cooling system and confirm complete deaeration and stable operating temperature.

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 17506913 → Supersedes 17336823

• 17336823 (earlier OEM expansion-tank reference)

OEM / Related Numbers:

• 17506913

• 3979593 filler cap

• 17520695 grommet

• 17520698 vent pipe

Aftermarket / Verified Equivalents:

• DT Spare Parts 2.15095

🚤 Compatibility

Commonly used on:

• coolant expansion-tank and deaeration assembly

Typically suits:

• Engine / product models:

• Volvo Penta and shared Volvo Group cooling systems originally specifying expansion tank 17336823 or 17506913

• Engine / Application Family: Volvo Penta/Volvo Group heavy-duty diesel cooling system

• Serial / Configuration Note: Confirm part number 17506913 against the exact engine/product serial number, cooling-system layout, hose connections and pressure specification.

🔌 Function

Provides coolant expansion volume, a deaeration chamber and the controlled filling/pressure-cap point for the cooling circuit. Renew associated seals and clamps, pressure-test the cooling system and confirm complete deaeration and stable operating temperature.

Common signs of failure:

• Coolant loss, staining, air entry or pressure decay

• Overheating or unstable coolant temperature under load

• Cracking, distortion, corrosion or blocked vent/flow passages

• Coolant contamination or inadequate deaeration

• Leakage or movement at mounting, hose or sealing interfaces

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging