# 21720350 Spacer Sleeve | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo Penta spacer sleeve used in Volvo Penta TAD5 industrial diesel engine assemblies. It is manufactured to the factory dimensions and operating specification for the catalogued installation.

## 🚤 Compatibility

-   **HP Range:** Approximately 160-250 HP
-   **Year Range:** Approximately 2010 - 2021

## ⚙️ Key Features

-   0.025 kg
-   Supersedes 21664672, catalogued earlier as a bushing
-   Listed against 3 applications in cost records on TAD series engines
-   Spacer sleeve

## 🔌 Function

Holds the designed gap between two components and carries the clamp load across it, so the fixing can be tightened without pulling the parts together.

## ⚠️ Common Signs of Failure

-   Fixings found slack at service, or loosening again after tightening
-   Component sitting out of line or fouling its neighbour
-   Rattle or knock from the assembly the sleeve positions
-   Sleeve found crushed, bell-mouthed or worn on strip-down

## 🛠️ Service Notes

-   The number it replaces, 21664672, was catalogued as a bushing, so an older parts list may call for a bush where this spacer sleeve is now supplied
-   Check the sleeve's ends for crushing before reusing it, and never substitute washers for it

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21720350 → Supersedes 21664672

### OEM / Related Numbers

-   21664672 earlier number superseded by this part

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 28.78 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.78 AUD | In stock |

## Images

- 21720350 Spacer Sleeve | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21720350-spacer-sleeve-genuine-volvo-penta)
> Updated: 2026-10-10