# 21122531 Sealing Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D12 Crankshaft Sealing Kit - Part Number: 21122531

  

A genuine Volvo Penta crankshaft sealing package for selected D12 engine crankshaft and flywheel-housing repairs. The substantial kit provides the matched sealing components required to renew the crankshaft sealing arrangement rather than replacing only an exposed lip seal.

  

Kit Contents:

  

• 1 x complete crankshaft sealing assembly and matched seals - Volvo Penta 21122531

• The housing, carrier and internal seals are supplied as one factory-matched kit under part number 21122531; individual kit components are not separately listed in the public service-kit entry

  

⚙️ Key Features

  

• Genuine Volvo Penta crankshaft sealing package

• Correct part number 21122531

• Factory-matched carrier and seals

• Used during major crankshaft / flywheel-housing service

• Substantial complete kit rather than a single loose seal

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21122531 current Volvo Penta crankshaft sealing-kit reference

  

OEM / Related Numbers:

  

• 21122531

• D12 crankshaft and flywheel-housing sealing components

• Rear crankshaft seal service assemblies selected by engine serial number

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• D12 rear crankshaft sealing

• Flywheel-housing removal

• Major engine overhaul

  

Typically suits:

  

• Engine models / drive models:

• D12C-A MP

• D12D-A / B / C / E / G MH

• D12D-A / B / C / D / E / F / G / H MP

• TAD1240GE

• TAD1241GE / TAD1241VE

• TAD1242GE / TAD1242VE

• TAD1250VE

• TAD1251VE

• TAD1252VE

  

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta D12 12.1-litre inline 6-cylinder diesel

• Year Range: Approximately late 1990s through the 2010s

• Serial Range: Crankshaft, flywheel housing and seal-carrier revision controlled; verify against the engine serial number

  

🔌 Function

  

The kit seals the crankshaft where it exits the engine block, retaining lubricating oil while accommodating crankshaft rotation and the correct seal-running surface.

  

Common signs replacement or overhaul is required:

  

• Oil leaks between the engine and flywheel housing

• Seal carrier or running surface is damaged

• Flywheel housing has been removed

• A lip seal alone will not restore the sealing surface

• Major D12 overhaul is being completed

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 2799.1 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2799.10 AUD | In stock |

## Images

- 21122531 Sealing Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21122531-sealing-kit-genuine-volvo-penta)
> Updated: 2026-07-30