# 21859185 Insert Sleeve | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Common-Rail Injector Insert Sleeve - Part Number: 21859185

  

A genuine injector insert sleeve used in Volvo Penta D8 and TAD5 common-rail cylinder heads. It locates and seals the injector within the cylinder head and works with the specified gasket, O-ring and retaining hardware.

  

⚙️ Key Features

  

• Genuine Volvo Penta factory component

• Position-specific dimensions and material

• Designed for marine or industrial engine service

• Maintains the intended assembly relationship

• Direct replacement for the same numbered original part

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21859185 (current OEM reference)

  

OEM / Related Numbers:

  

• 21857406 - injector sleeve gasket

• 993664 - injector O-ring

• 21453372 - injector retaining screw

• 21786627 / 22556900 - injector yokes

• 21843299 - socket pipe

• 21442526 - rubber ring

• 21785960 / 22236215 / 22625707 / 23185947 - injector references

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D8 marine and TAD8 industrial diesel systems

  

Typically suits:

  

• Engine / drive models:

• D8A1-A MP, D8A2-A MP

• TAD540VE, TAD541VE, TAD542VE

• TAD580VE, TAD581VE, TAD582VE, TAD583VE

  

• HP Range: Approximately 225HP - 650HP, depending on application

• Engine Type: 7.7L inline six-cylinder common-rail turbocharged diesel

• Year Range: Approximately 2010 - current supported applications

• Serial / Fitment Note: Confirm the complete engine, drive or equipment product number and serial number before ordering.

  

🔌 Function

  

Performs the position-specific mechanical or electrical function assigned by the Volvo Penta engine or drive assembly.

  

Common signs of failure:

  

• Visible wear, cracking or corrosion

• Loose fit or abnormal movement

• Loss of alignment or sealing

• Accelerated wear of adjoining components

• Failure to perform the assigned function

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 26.06 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 26.06 AUD | In stock |

## Images

- 21859185 Insert Sleeve | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21859185-insert-sleeve-genuine-volvo-penta)
> Updated: 2026-08-02