20580082 Valve Seat | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Valve Seat - Part Number: 20580082

A genuine Volvo Penta valve seat used in the cylinder-head valve sealing surface. It is supplied as an individual service component under part number 20580082 and is intended to restore the original fit, sealing, alignment, retention or operating function of the specified assembly. This listing supplies the named component only; adjoining parts are serviced separately.

⚙️ Key Features

• Hardened insert provides the valve's combustion-sealing surface

• Material and heat-transfer characteristics are matched to the inlet or exhaust position

• Interference fit is designed for the specified cylinder-head counterbore

• Seat angle, width and concentricity must be machined to the valve specification

• Valve recession or protrusion must be checked after installation

• Use only in the documented inlet or exhaust position for the exact cylinder-head version

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20580082 - Current genuine Volvo Penta service reference

OEM / Related Numbers:

• 20580080 - Related Valve Seat

• 20580083 - Related Valve Seat

• 20580079 - Related Valve Seat

• 20580078 - Related Valve Guide

• 20580074 - Related Valve Guide

• 20580032 - Related Plug

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D16 industrial and generating-set diesel engines

• Serial-controlled D16 intake, fuel, cooling and rotating-engine assemblies

Typically suits:

• Engine models:

• TAD1640GE

• TAD1641GE

• TAD1642GE

• TAD1650GE

• TAD1651GE

• TAD1641VE

• TAD1642VE

• TAD1643VE

• TAD1650VE

• TAD1640VE-B

• TAD1641VE-B

• TAD1642VE-B

• TAD1643VE-B

• TAD1650VE-B

• TAD1651VE

• TAD1660VE

• TAD1661VE

• TAD1662VE

• TAD1670VE

• TAD1671VE

• TAD1672VE

• TWD1643GE

• TWD1652GE

• TWD1653GE

• TWD1663GE

• Engine Type: Volvo Penta D16 inline-six industrial diesel

• HP Range: Determined by the exact D16 engine rating

• Year Range: Engine-generation and serial-number controlled

• Serial Applicability: Confirm the complete D16 model, emissions version and engine serial number

🔌 Function

Provides the precision sealing and heat-transfer surface for the engine valve.

Common signs of failure or reasons for replacement:

• Compression leakage is detected at the valve

• The seat is cracked, recessed, burnt, pitted or loose

• Valve clearance changes repeatedly

• The valve cannot be refaced to achieve the specified contact

• Cylinder-head overhaul requires seat replacement

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging