20565912 Exhaust Valve | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D5/D7 Exhaust Valve - Part Number: 20565912

A genuine Volvo Penta exhaust valve used in the cylinder-head valve-train system. It is supplied as an individual service component under part number 20565912 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

• Heat-resistant exhaust-valve construction for sustained diesel exhaust temperature

• Current exhaust-valve chain: 20565912 → 20405503 → 11700352

• Precision-machined face must match the specified valve seat and contact width

• Stem diameter and keeper grooves match the documented guide, spring and retainer system

• Transfers heat through the seat and guide while sealing combustion pressure

• Valve protrusion, recession and stem clearance must be checked during cylinder-head overhaul

• Use with the correct valve stem seal, spring and cotter components

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20565912 - Current genuine Volvo Penta service reference

OEM / Related Numbers:

• 20565912 → Supersedes 20405503 → Supersedes 11700352

• 20565870 - Related Charge Air Pipe

• 20566178 - Related Retainer

• 20566180 - Related Retainer

• 20566300 - Related Heat Shield

• 20567447 - Related Plate

• 20567779 - Related Plug

• 20405503 / 11700352 - Earlier exhaust-valve references

• 20580074 / 20580078 - Valve-guide references

• 20580079 / 20580080 / 20580082 / 20580083 - Valve-seat references

Aftermarket / Verified Equivalents:

• TRW Engine Components: 22220

• NE: 148015000600

• OE Germany: 03 0520 700 003

• Crom Marine: 112196

• Freccia: R6527/BMCR

• MAHLE: 099VA31271000

🚤 Compatibility

Commonly used on:

• Volvo Penta D5 and D7 industrial diesel engines

• Generator, variable-speed and propulsion packages using the matching serial-controlled assembly

Typically suits:

• Engine models:

• TD420VE

• TAD420VE

• TD520GE

• TAD520GE

• TAD520VE

• TAD530GE EDC4

• TAD530GE MECH

• TAD531GE EDC4

• TAD531GE MECH

• TAD532GE EDC4

• TAD620VE

• TD720GE

• TD720VE

• TAD720GE

• TAD720VE

• TAD721GE

• TAD721VE

• TAD722GE

• TAD722VE

• TAD730GE EDC4

• TAD730GE MECH

• TAD731GE

• TAD732GE

• TAD733GE

• TAD734GE

• TAD750GE

• TAD751GE

• TAD752GE

• TAD753GE

• TAD750VE

• TAD760VE

• Engine Type: Volvo Penta D5/D7 inline industrial diesel family

• HP Range: Determined by the exact engine model and rating

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

• Serial Applicability: Confirm the complete engine model, serial number and exact assembly position

🔌 Function

Opens to release combustion gas and closes to seal the cylinder.

Common signs of failure or reasons for replacement:

• Compression falls in the affected cylinder

• Hard starting, reduced power or uneven running develops

• The valve face, margin or stem is burnt, bent or worn

• Exhaust leakage is detected during cylinder-head testing

• Valve clearance changes repeatedly

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging