20556838 Delivery Pipe Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta delivery pipe kit weighing 0.706 kg, the current replacement for pressure pipe references 20363734, 20363735 and 20363736 on DH series applications. It is distinct from kit 20556837, which covers a different trio at effectively the same weight.

🚤 Compatibility

• HP Range: Approximately 285 HP
• Year Range: Approximately 1980s-1990s

⚙️ Key Features

• OEM Volvo Penta part number 20556838
• Supersedes previous pressure pipe numbers 20363734, 20363735 and 20363736
• System group: Fuel System
• Net weight 0.706 kg
• Applies to DH series installations via the superseded references
• Also supersedes Volvo part numbers 425675 and 425676

📋 Kit Contents

• 1 x high-pressure delivery pipe for each of cylinders 4-6 - three pipes total; individual pipes are supplied only within kit 20556838 and do not have separately published service numbers

🔌 Function

Carries high-pressure fuel from the injection pump to an injector, maintaining pressure along a pre-formed route. Supplied as a matched kit for renewal as a set.

⚠️ Common Signs of Failure

• Weeping or dripping at the unions
• Cracking or chafing along a pipe
• Single-cylinder misfire
• Damaged union nut threads
• Pipe bent out of shape

🛠️ Service Notes

• Do not substitute kit 20556837 - it covers pipes 20363731 to 20363733

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20556838 → Supersedes 20363734 → Supersedes 425674

OEM / Related Numbers

• 20363736 earlier number superseded by this part
• 20363735 earlier number superseded by this part
• 20363734 earlier number superseded by this part
• 425674 earlier number superseded by this part
• 20556837 complementary cylinder-bank delivery-pipe kit

📦 Condition

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