20738115 Fuel Hose | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Fuel Hose - Part Number: 20738115

A genuine Volvo Penta injector leak-off and fuel-return hose for selected TD5, TAD5, TD7 and TAD7 mechanical fuel systems. It is used on non-EDC configurations to collect low-pressure leakage fuel from the injectors and return it through the designated fuel circuit.

⚙️ Key Features

• Genuine Volvo Penta low-pressure injector return hose

• Designed for diesel fuel and engine-compartment temperatures

• Used on selected engines without EDC

• Correct branch spacing and connection geometry

• Must not be confused with EDC-specific return-pipe arrangements

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20738115 (current OEM reference)

OEM / Related Numbers:

• 20738115

• 20581280 serial/configuration-specific return pipe

• 21098423 EDC return-pipe reference

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

ℹ️ Selection Note

• 20581280 and 21098423 are configuration-specific return-pipe references and are not universal replacements for 20738115.

• Confirm whether the engine uses mechanical controls or EDC before selecting the return assembly.

🚤 Compatibility

Commonly used on:

• Volvo Penta TD5/TAD5 and TD7/TAD7 injector leak-off systems without EDC

Typically suits:

• Engine models:

• TD520GE

• TAD520GE

• TAD530GE

• TAD531GE

• TAD532GE

• TD720GE

• TAD720GE

• TAD721GE

• TAD722GE

• TAD730GE

• TAD731GE

• TAD732GE

• TAD733GE

• HP Range: Not a primary selection criterion; confirm by engine model and serial number

• Engine Type: Mechanical-injection Volvo Penta generator and industrial diesel engine

• Year / Serial Range: Used on designated non-EDC engine configurations; 20581280 and 21098423 are alternative return-pipe arrangements for specific serial or EDC versions

🔌 Function

Collects injector leak-off fuel and routes it safely back to the return circuit or fuel system at low pressure.

Common signs of failure:

• Diesel fuel smell or visible wetness around injectors

• Fuel leakage into the engine valley or rocker area

• Air entry and difficult restarting after shutdown

• Hardened, cracked or swollen hose

• Excessive injector return leakage exposing a weak hose or connection

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging