# 21664815 Spacer | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta TAD1180-TAD1183VE Rocker-Shaft Spacer - Part Number: 21664815

  

A precision spacer fitted at schematic position 8 in the rocker-arm and valve-caliper assembly of Volvo Penta TAD1180VE through TAD1183VE engines.

  

⚙️ Key Features

  

• TAD11 rocker-arm assembly

• Schematic position 8

• Controls rocker and caliper spacing

• Precision machined length

• Supports stable valve-train alignment

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• Current OEM reference: 21664815

  

OEM / Related Numbers:

  

• 21664815

• 21539423 - Rocker-arm shaft

• 21881494 - Intake rocker arm

• 20751464 - Valve caliper

• 21539409 - Rocker arm

• 21430606 - Adjusting screw

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

• TAD1180VE

• TAD1181VE

• TAD1182VE

• TAD1183VE

• Rocker-arm and valve-caliper assembly

  

🔌 Function

  

The spacer maintains the specified lateral position of the rocker-arm components on the shaft.

  

Common signs of failure or damage:

  

• Rocker-arm side play

• Spacer worn or cracked

• Valve-train noise

• Rocker misalignment

• Uneven valve actuation

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 90.45 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 90.45 AUD | In stock |

## Images

- 21664815 Spacer | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21664815-spacer-genuine-volvo-penta)
> Updated: 2026-08-03