21166146 Hose | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D3 Heat Exchanger Hose - Part Number: 21166146

A moulded coolant hose linking the D3 engine to the heat exchanger or auxiliary cooler. Its bends, length and unequal end sizes are specific to the D/E/F-generation cooling layout and keep the hose clear of belts, brackets and engine covers.

⚙️ Key Features

• Broad confirmed D3 D/E/F application coverage

• Moulded heat-exchanger/cooler routing

• Reinforced for hot pressurised coolant

• Correct end sizes match the original cooler connections

• Not a supersession for hose 21166142, which follows a separate service path

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21166146 (current OEM reference)

OEM / Related Numbers:

• 21166146

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

Assembly / Service Components:

• Heat exchanger, servo-pump cooler and hose clamps - model and suffix specific

🚤 Compatibility

Commonly used on:

• D3-series heat-exchanger and auxiliary-cooler hose system

Typically suits:

• Engine models:

• D3-110I-D

• D3-110I-E

• D3-110I-F

• D3-140A-D

• D3-140A-E

• D3-140A-F

• D3-140I-E

• D3-140I-F

• D3-150I-D

• D3-150I-E

• D3-150I-F

• D3-170A-D

• D3-170A-E

• D3-170A-F

• D3-170I-D

• D3-170I-E

• D3-170I-F

• D3-200A-D

• D3-200A-E

• D3-200A-F

• D3-200I-D

• D3-200I-E

• D3-200I-F

• D3-220A-D

• D3-220A-E

• D3-220I-D

• D3-220I-E

• HP Range: 110-220 HP

• Engine Type: D3-series heat-exchanger and auxiliary-cooler hose system

• Year / Serial Range: Heat exchanger, servo-pump cooler and hose routing must match engine suffix and serial number.

🔌 Function

Transfers coolant between the D3 engine, heat exchanger and specified auxiliary cooler branch.

Common signs of failure:

• Fluid, air or exhaust leakage at the connection

• Cracking, corrosion, chafing or heat damage

• Restriction caused by collapse, deposits or deformation

• Loose clamp, fitting or damaged sealing face

• Reduced cooling, boost, fuel delivery or system pressure

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging