21951453 Shaft Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D4 E/F-Generation Seawater Pump Shaft and Pulley Kit - Part Number: 21951453

A genuine Volvo Penta rotating shaft, bearing and pulley package for selected later D4 seawater pumps.

Kit Contents:

• 1 x pump shaft - supplied under Volvo Penta kit 21951453

• 2 x ball bearings - supplied within kit 21951453

• 2 x retaining circlips - supplied within kit 21951453

• 1 x drive pulley - supplied within kit 21951453

⚙️ 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:

• 21951453 current D4 shaft-kit reference

OEM / Related Numbers:

• 21951453

• 21951392 companion wear kit

Aftermarket / Verified Equivalents:

• Orbitrade: 22453

🚤 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:

• D4-260A / D / I E-F

• D4-300A / D / I E-F and related later D4 pump applications

• Later D4 two-stud-face seawater pump

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta flexible-impeller seawater pump

• Year Range: Approximately 2010s

• Serial Range: D4 suffix, pulley diameter and pump casting 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