20799590 Tube | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Crankcase-Ventilation Tube - Part Number: 20799590

Major engine casting used in the crankcase ventilation, oil-separator and breather-return system. It supports the cylinders, crankshaft and internal oil/coolant passages while maintaining the original structural alignment.

⚙️ Key Features

• Manufactured to the original Volvo Penta dimensional and material specification

• Maintains correct fit, alignment and service access in the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine product and serial/configuration before installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20799590 (OEM catalogue reference)

OEM / Related Numbers:

• 20930510 oil separator

• 20792362 and 21038626 gaskets

• 20798824 oil-return line

• 20798831 and 20798837 attaching clamps

• 20799065 hose

• 20799590 tube

• 20799616 and 20799617 breather hoses

• 20799673 hose clamp

• 20798898 retaining plate

• 20841133 inhibitor/check valve

• 20460026 seal

• 21012774; 22253980; 22393475 oil-line references

• 21496705 drain valve

• 20999126 and 22395170 leak-off/vent-line references

• 21034589 and 21033654 breather pipes

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Crankcase ventilation, oil-separator and breather-return system

Typically suits:

• Engine models:

• TAD550GE; TAD551GE; TAD734GE; TAD750GE; TAD750VE; TAD751GE; TAD752GE; TAD753GE; TAD754GE; TAD760VE

• HP Range: Approximately 180-320 HP, depending on engine rating

• Engine Type: 5.7 L and 7 L common-rail diesel

• Year Range: Approximately 2000s-2010s

🔌 Function

Provides the primary engine structure and accurately locates the cylinders, crankshaft bearings and internal lubrication/cooling passages.

Common signs of failure:

• Cracks, distortion or leakage from the casting or joints

• Main-bearing or cylinder-bore misalignment

• Oil or coolant passage leakage

• Abnormal vibration or lower-engine structural movement

• Recurring bearing, gasket or sealing failure

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging