20797527 Crankcase | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Cylinder Block / Crankcase - Part Number: 20797527

Major engine casting used in the d5/d7 cylinder-block and crankcase assembly. 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:

• 20797527 (OEM catalogue reference)

OEM / Related Numbers:

• 20405980 cylinder

• 20537914 and 21261516 cylinder-block references

• 20544667 alternative crankcase

• 20405583 retaining screws

• 11700278 bushing

• 945065; 20405716; 20508600 plugs

• 969011 gasket

• 20405906 and 20405584 guide sleeves

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• D5/D7 cylinder-block and crankcase assembly

Typically suits:

• Engine models:

• D5A-B TA; D5A-T; D5A-TA; D7A-B TA; D7A-T; D7A-TA; D7C-B TA; D7C-TA; TD520GE; TAD520GE; TAD520VE; TAD530GE; TAD531GE; TAD532GE; TD720GE; TAD720GE; TAD720VE; TAD721GE; TAD721VE; TAD722GE; TAD722VE; TAD730GE; TAD731GE; TAD732GE; TAD733GE

• HP Range: Approximately 100-300 HP, depending on engine rating

• Engine Type: Deutz 1012/1013-derived four- and six-cylinder diesel

• Year Range: Approximately late 1990s-2000s

🔌 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