21951439 Shaft Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta First-Generation D3 Seawater Pump Shaft and Pulley Kit - Part Number: 21951439

A genuine Volvo Penta complete rotating shaft, pulley and bearing package for D3 seawater pump 21141637.

Kit Contents:

• 1 x pump shaft - Volvo Penta 3584345

• 1 x pulley - Volvo Penta 3584346

• 1 x retaining plate - Volvo Penta 3584347

• 1 x ball bearing - Volvo Penta 181876

• 1 x ball bearing - Volvo Penta 181800

⚙️ 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:

• 21951439 current shaft-kit reference for pump 21141637

OEM / Related Numbers:

• 21951439

• 3584345

• 3584346

• 3584347

• 181876

• 181800

• 21141637

• 21951384 companion wear kit

Aftermarket / Verified Equivalents:

• Orbitrade: 22439

🚤 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:

• D3-110 / 130 / 160 / 190 A-C generation

• Seawater pump 21141637

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta flexible-impeller seawater pump

• Year Range: Approximately 2003 - 2009

• Serial Range: Pump 21141637 and D3 generation 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