20845144 Valve Seat | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Engine Valve Seat - Part Number: 20845144

Application-specific Engine Valve Seat used in the cylinder-head exhaust-valve and valve-seat assembly on the listed Volvo Penta engines. Provides the hardened sealing and heat-transfer surface against which the engine valve closes.

⚙️ Key Features

• Genuine Volvo Penta Engine Valve Seat

• Direct service replacement for part number 20845144

• Designed for the cylinder-head exhaust-valve and valve-seat assembly

• Provides the hardened sealing and heat-transfer surface against which the engine valve closes

• Catalogued for TAD531GE MECH; TAD760VE

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20845144 (Volvo Penta OEM reference)

OEM / Related Numbers:

• VOE20845144 - Volvo Construction Equipment prefixed number format

• 20459963 / 20845144 - Volvo exhaust valve-seat references

• 20459963 - earlier/related exhaust valve-seat reference

• 20789674 - valve guide

• 20833936 - exhaust valve

• 20840747 - valve-spring disc

• 20459855 - valve-stem seal

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta TAD531 and TAD760 cylinder-head exhaust-valve installations

Typically suits:

• Engine models:

• TAD531GE MECH

• TAD760VE

• HP Range: Approximately 160HP - 280HP

• Engine Type: Five- and seven-litre turbocharged industrial diesel

• Year Range: Approximately 2004 - 2015

🔌 Function

Provides the hardened sealing and heat-transfer surface against which the engine valve closes.

Common signs of failure:

• Low compression, abnormal combustion or cylinder imbalance

• Knocking, tapping or abnormal valve-train noise

• Excessive oil consumption, blow-by or exhaust smoke

• Out-of-spec clearance, wear, scoring or heat damage during overhaul

• Loss of power or metallic debris found in the lubricating oil

Service / Installation Notes:

• Measure all mating parts and clearances against the exact engine specification rather than replacing the component by appearance alone.

• Use clean engine-assembly practices, correct lubricants and the specified tightening sequence.

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging