# 20788793 Plane Gasket | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Plane Gasket - Part Number: 20788793

  

Application-specific plane gasket used in the front cover, flywheel housing, accessory drive and auxiliary piping on the listed Volvo Penta engines. Provides the flat sealing interface between the specified auxiliary-engine components.

  

⚙️ Key Features

  

• Genuine Volvo Penta plane gasket

• Direct service replacement for part number 20788793

• Designed for the front cover, flywheel housing, accessory drive and auxiliary piping

• Provides the flat sealing interface between the specified auxiliary-engine components

• Application family: Four- and six-cylinder turbocharged industrial diesel; Approximately 2000 - 2012

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20788793 (Volvo Penta OEM reference)

  

OEM / Related Numbers:

  

• VOE20788793 - Volvo Construction Equipment prefixed number format

• 20459924 / 21090009 / 21134648 - flywheel references

• 21033328 - starter ring gear

• 20460089 - bearing flange

• 20450835 / 20405654 - flywheel screws

• 20460206 - oil pan

• 20742661 / 20405888 / 20405915 - gaskets

• 20405792 / 984734 / 994386 - flange screws

• 20459906 - banjo nipple

• 20775904 - fitting

• 20779978 - A/C compressor clutch

• 20793522 - A/C compressor V-belt

• 20788933 - flywheel-cover spacer

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D5A/D7A and TAD520/TAD720 auxiliary-engine installations

  

Typically suits:

  

• Engine models:

• D5A-B TA; D7A-B TA; TAD520VE; TAD720VE

• TAD721VE; TAD722VE

  

• HP Range: Approximately 140HP - 265HP

• Engine Type: Four- and six-cylinder turbocharged industrial diesel

• Year Range: Approximately 2000 - 2012

  

🔌 Function

  

Provides the flat sealing interface between the specified auxiliary-engine components.

  

Common signs of failure:

  

• Visible leakage or staining around the sealed joint

• Hardening, flattening, cracking, tearing or extrusion of the sealing material

• Pressure loss, air ingress or cross-contamination between adjoining passages

• Repeated leakage caused by damaged or distorted mating surfaces

• Seal damage found during dismantling or routine overhaul

  

Service / Installation Notes:

  

• Use a new seal whenever the joint is disturbed.

• Clean and inspect the mating surfaces and use only the specified lubricant or sealant.

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 142.92 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 142.92 AUD | In stock |

## Images

- 20788793 Plane Gasket | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20788793-plane-gasket-genuine-volvo-penta)
> Updated: 2026-08-01