21951483 Shaft Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta MD40 / TMD40 / TAMD40 838522 Seawater Pump Shaft Kit - Part Number: 21951483

A genuine Volvo Penta shaft and bearing package for seawater pump 838522.

Kit Contents:

• 1 x pump shaft - supplied under Volvo Penta kit 21951483

• 2 x ball bearings - supplied within kit 21951483

• 1 x spacer ring - supplied within kit 21951483

• 1 x filling washer - supplied within kit 21951483

• 1 x spring washer - supplied within kit 21951483

⚙️ 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:

• 21951483 current shaft-kit reference

• 875769 earlier complete pump repair-kit family

OEM / Related Numbers:

• 21951483

• 875769

• 838522

• 21951410 companion wear kit

• 21951360 impeller kit

Aftermarket / Verified Equivalents:

• RePower Marine: 875769 complete repair family

• Johnson-pump bearing and shaft components by pump 838522

🚤 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:

• MD40A

• TMD40A / B / C

• TAMD40A / B

• AD40B

• AQAD40A / B

• Seawater pump 838522

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta flexible-impeller seawater pump

• Year Range: Approximately 1970s through the 1980s

• Serial Range: Pump 838522 and shaft-bearing layout 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