20924435 Valve Stem Seal | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Valve-Stem Oil Seal - Part Number: 20924435

OEM sealing component used in the d11/tad11 cylinder-head valve-guide and stem-sealing assembly. It restores the intended fluid-, air- or gas-tight interface when the adjoining parts are serviced.

⚙️ Key Features

• Manufactured to the original Volvo Penta dimensional and material specification

• Maintains correct fit, alignment and service access

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

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

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

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20924435 (OEM catalogue reference)

OEM / Related Numbers:

• Cylinder head, inlet valve, exhaust valve and valve-seat inserts

• Valve spring, retainer, collets and thrust washer

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• D11/TAD11 cylinder-head valve-guide and stem-sealing assembly

Typically suits:

• Engine models:

• TAD1140VE; TAD1141VE; TAD1142VE; TAD1150VE; TAD1151VE; TAD1152VE

• HP Range: Approximately 375-550 HP, depending on engine rating

• Engine Type: 11 L six-cylinder turbocharged/aftercooled diesel

• Year Range: Approximately 2000s-2010s

🔌 Function

Prevents leakage and contamination at the designated joint while maintaining the required separation between operating fluids or gases.

Common signs of failure:

• Low compression, rough running or reduced power

• Abnormal valve clearance or valve-train noise

• Oil consumption or blue exhaust smoke

• Burnt, bent, worn or sticking valve components

• Excessive guide clearance or valve-seat leakage

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging