# 20742562 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta O-Ring - Part Number: 20742562

  

A genuine Volvo Penta EPDM O-ring used at selected D16 intake or exhaust-manifold intermediate joints. The nominal 65 mm inside diameter and 4.5 mm cross-section provide the specified seal between mating components exposed to temperature cycling and engine vibration.

  

⚙️ Key Features

  

• Genuine Volvo Penta manifold-joint O-ring

• EPDM sealing material

• Nominal dimensions: 65 mm inside diameter × 4.5 mm section

• Used on selected D16-based engine manifold joints

• Correct groove condition and light installation lubrication are essential

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20742562 (current OEM reference)

  

OEM / Related Numbers:

  

• 20742562

  

Aftermarket / Verified Equivalents:

  

• DT Spare Parts: 2.14693

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D16-based TAD16 and TWD16 manifold assemblies specifying O-ring 20742562

  

Typically suits:

  

• Engine models:

• TAD1640GE

• TAD1641GE

• TAD1642GE

• TAD1640VE

• TAD1642VE

• TAD1650VE

• TAD1670VE

• TAD1671VE

• TAD1672VE

• TWD1643GE

• TWD1683VE

  

• HP Range: Not applicable to O-ring selection

• Engine Type: 16-litre inline-six turbocharged and charge-air-cooled diesel engine

• Year / Serial Range: Production period varies by model; exact applicability is controlled by the complete engine product number and serial number

  

🔌 Function

  

Seals the circular manifold or connecting-pipe joint against intake-air, charge-air or exhaust-gas leakage, depending on the installed position.

  

Common signs of failure:

  

• Soot, oil mist or air leakage around the joint

• Hissing or exhaust noise under load

• Flattened, hardened or split O-ring

• Boost loss, reduced power or increased smoke

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 17.35 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.35 AUD | In stock |

## Images

- 20742562 O-Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20742562-o-ring-genuine-volvo-penta)
> Updated: 2026-08-01