20586720 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta O-Ring - Part Number: 20586720

A genuine Volvo Penta o-ring used in the engine fluid or pressure sealing joint. It is supplied as an individual service component under part number 20586720 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

• Profile and dimensions match the specified Volvo Penta sealing groove or joint

• Material is selected for the assigned oil, coolant, fuel, air or exhaust environment

• Provides controlled compression without obstructing adjoining passages

• Restores separation between the sealed circuits and surrounding atmosphere

• Mating surfaces must be clean, flat and free from corrosion or old seal material

• Install dry or lubricated only as required by the applicable service procedure

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20586720 - Current genuine Volvo Penta service reference

OEM / Related Numbers:

• 20585893 - Related Vibration Damper

• 20586833 - Related Inlet Manifold

• 20585825 - Related Flange

• 20586845 - Related Return Line

• 20585676 - Related Bracket

• 20587131 - Related Locking Clamp

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 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

Creates an elastomeric seal between mating surfaces.

Common signs of failure or reasons for replacement:

• Leakage develops at the joint

• The O-ring is flattened, cut or swollen

• The seal extrudes or twists

• Contamination enters the circuit

• Replacement is required after disassembly

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging