20473998 Delivery Pipe Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta High-Pressure Fuel Delivery Pipe Kit for Cylinders 4-6 - Part Number: 20473998

A genuine Volvo Penta matched set of rigid high-pressure fuel delivery pipes. The pipes are preformed to maintain the correct injector-pump routing, union alignment and vibration clearance. High-pressure pipes must never be reshaped, welded or repaired.

Kit Contents:

• 1 x high-pressure delivery pipe for each of cylinders 4-6 - three pipes total; the individual pipes are serviced only under kit 20473998 and do not have separate published Volvo Penta numbers

⚙️ Key Features

• Genuine preformed high-pressure injection pipes

• Matched factory bends and union geometry

• Replaces the complete specified cylinder group

• Requires the original pipe clamps and spacers to be correctly installed

• Fuel-system cleanliness is essential during installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20473998 current / original Volvo Penta delivery-pipe kit reference

OEM / Related Numbers:

• 20473998

• 848799 injector

• 469455 sealing ring

• 477901 / 471605 leak-off pipe references

• 8194327 / 8194328 pipe clamps

• 20473997 complementary cylinder-bank delivery-pipe kit

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta mechanical diesel injection system

• Injection pump to injector high-pressure fuel circuit

Typically suits:

• Engine models:

• TD710G

• HP Range: Approximately 180-230 hp

• Engine Type: Volvo Penta 6-cylinder mechanical-injection industrial diesel

• Serial Range: Confirm TD710G fuel-system diagram

• Year Range: Approximately 1990s-2000s

🔌 Function

Transfers precisely metered, high-pressure diesel fuel from the injection pump outlet to each injector without pressure loss or uncontrolled vibration.

Common signs of failure:

• Visible diesel wetness or fuel odour around a pipe union

• Hard starting caused by loss of injection pressure or air entry

• Uneven running, misfire or reduced cylinder contribution

• Fatigue cracking caused by vibration, incorrect clamping or pipe contact

• Reduced power, increased smoke or fuel-system contamination

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging