# 21815872 Propeller Nut | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta IPS15 Rear Propeller Nut - Part Number: 21815872

  

Propeller retaining nut manufactured for the thread, seating face and locking arrangement of its Volvo Penta drive.

  

⚙️ Key Features

  

• Correct shaft thread

• Application-specific seating geometry

• Retains propeller under reversing load

• Designed for specified torque and locking method

• Drive and shaft version must match

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21815872 (current listed OEM reference)

  

OEM / Related Numbers:

  

• 21815872

• 21808200 - flow deflector

• 21913550 - line cutter

• 963699 - spinner retaining screw

• 23284156 - locking fluid, 10 ml

• 21808191-21808197 / 21808211-21808217 - Type N1-N7 propeller components

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• IPS15 forward-facing pod-drive propeller system

  

Typically suits:

  

• Engine / drive models:

  

• IPS600

• IPS650

• IPS700

• IPS15-A

• IPS15-B

  

• HP / Rating: D8 IPS600-IPS700 package class

  

• Engine / System Type: D8-powered Volvo Penta IPS marine propulsion

  

• Year Range: IPS15 generation controlled

  

• Serial / Specification Control: Confirm the complete product number and serial number before ordering; 21815872 must be listed for the installation

  

🔌 Function

  

Clamps the propeller and associated hardware securely on the propeller shaft.

  

Common signs of wear or damage:

  

• Damaged or galled threads

• Rounded drive surfaces

• Nut will not retain specified torque

• Corrosion or impact damage

• Propeller movement on the shaft

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 477.55 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 477.55 AUD | In stock |

## Images

- 21815872 Propeller Nut | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21815872-propeller-nut-genuine-volvo-penta)
> Updated: 2026-08-03