# 21951416 Shaft Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D1-13 / D1-20 / MD2010 / MD2020 Seawater Pump Shaft Kit - Part Number: 21951416

  

A genuine Volvo Penta rotating shaft and bearing service package for seawater pump 3593654 and related compact D1 / MD20-series pumps.

  

Kit Contents:

  

• 1 x pump shaft - supplied under Volvo Penta kit 21951416

• Bearing / bush support components - supplied within kit 21951416

• Shaft sealing rings and retaining clips - supplied within complete kit 21951416

• Individual loose component numbers are not published in the public kit entry

  

⚙️ Key Features

  

• Genuine Volvo Penta matched seawater-pump shaft package

• Renews the rotating support and sealing components

• Designed for the specified pump casting and shaft length

• Companion wear kit and impeller are ordered separately unless stated

• Pump number and shaft dimensions must be verified

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21951416 current Volvo Penta shaft-kit reference

  

OEM / Related Numbers:

  

• 21951416

• 3593654

  

Aftermarket / Verified Equivalents:

  

• Poseidon Marine: D1-13 / D1-20 shaft-kit equivalent

• Orbitrade replacement available by pump 3593654

  

🚤 Compatibility

  

Commonly used on:

  

• Seawater-pump shaft and bearing overhaul

• Repair of shaft play or seal leakage

• Restoration after bearing corrosion or seizure

  

Typically suits:

  

• Engine models / pump models:

• D1-13A / B / F

• D1-20A / B / F

• MD2010A / B / C / D

• MD2020A / B / C / D

• Seawater pump 3593654

  

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta flexible-impeller seawater pump

• Year Range: Approximately 1990s onward

• Serial Range: Pump 3593654 and shaft length controlled

  

🔌 Function

  

The shaft transmits engine drive to the impeller while its bearings, spacers, keys and seals maintain alignment and separate seawater from the engine side of the pump.

  

Common signs replacement or overhaul is required:

  

• Pump shaft has radial or axial play

• Bearing is noisy or seized

• Seawater leaks past the shaft seal

• Shaft is grooved or corroded

• Pulley, gear or impeller no longer runs true

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 201.48 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 201.48 AUD | In stock |

## Images

- 21951416 Shaft Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21951416-shaft-kit-genuine-volvo-penta)
> Updated: 2026-07-29