# 20558929 Gasket | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Gasket - Part Number: 20558929

  

A genuine Volvo Penta gasket used in the engine sealing joint. It is supplied as an individual service component under part number 20558929 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:

  

• 20558929 - Current genuine Volvo Penta service reference

  

OEM / Related Numbers:

  

• 20558927 - Related Plug

• 20558934 - Related Valve Cover

• 20558924 - Related Gasket

• 20558810 - Related D5/D7 Valve Cover

• 21055823 / 3801233 - Cylinder-head references

• 20412745 / 20412733 - Cap plugs

• 20459855 - Valve stem seal

• 20459851 - Valve spring

• 20840747 - Spring disc

• 20459857 - Valve cotter

• 20840772 - Lock ring

• 20459852 / 20459854 - Valve seats

• 21026535 / 21026536 - Inlet and exhaust valves

• 20798183 / 20795944 / 20798191 - Cylinder-head gaskets

  

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

  

Seals the mating faces against leakage of air, exhaust gas, oil, fuel or coolant.

  

Common signs of failure or reasons for replacement:

  

• Leakage develops at the joint

• The gasket is split, brittle or compressed

• Staining appears around the mating face

• Pressure or vacuum is lost

• Replacement is required after disassembly

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 104.23 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 104.23 AUD | In stock |

## Images

- 20558929 Gasket | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20558929-gasket-genuine-volvo-penta)
> Updated: 2026-07-29