21951457 Shaft Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta AD31 / AD41 / KAD-Series Seawater Pump Shaft Kit - Part Number: 21951457

A genuine Volvo Penta shaft, bearing and seal package for seawater pump 3583115 and selected related pump variants.

Kit Contents:

• 1 x pump shaft - Volvo Penta 826250 where shown in the applicable pump diagram

• 1 x sealing ring - Volvo Penta 825737

• 1 x retaining ring - Volvo Penta 21422641

• 2 x ball bearings - Volvo Penta 11013 where specified

• Woodruff key and spacers - supplied according to the pump-specific kit configuration

⚙️ 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:

• 21951457 current shaft-kit reference

OEM / Related Numbers:

• 21951457

• 826250

• 825737

• 21422641

• 11013

• 3583115

• 21951396 companion wear kit

Aftermarket / Verified Equivalents:

• JMP shaft component: SHA0097 where dimensionally matched

• Crom Marine / Orbitrade pump-repair components by pump 3583115

🚤 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:

• AD31 / AQAD31

• AD41 / AQAD41

• KAD32 / 41 / 42 / 43 / 44 / 300

• TAMD31 / TMD31

• TAMD41 / TMD41

• Seawater pump 3583115 and selected older related pumps

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta flexible-impeller seawater pump

• Year Range: Approximately late 1980s through the 2000s

• Serial Range: Pump casting, shaft length and bearing arrangement 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