# 21684636 Small Parts Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D3 Coolant Temperature Sensor Small-Parts Kit - Part Number: 21684636

  

A genuine Volvo Penta sensor service kit for the D3 cooling-water outlet. It replaces the obsolete loose temperature sensor, O-ring and retaining clip with one complete service package.

  

Kit Contents:

  

• 1 x coolant temperature sensor - replaces Volvo Penta 8653172

• 1 x sensor O-ring - replaces Volvo Penta 30713577

• 1 x retaining clip - replaces Volvo Penta 30713576

• All three service items are supplied under complete kit number 21684636

  

⚙️ Key Features

  

• Genuine Volvo Penta three-component sensor service kit

• Replaces obsolete loose sensor and retaining parts

• Used at the D3 water-outlet pipe

• Applicable from D through H engine generations

• Included within long-block completion kit 21678692

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21684636 → Replaces loose sensor 8653172, O-ring 30713577 and clip 30713576

• 21553525 earlier small-parts-kit reference uses 21684636

  

OEM / Related Numbers:

  

• 21684636

• 21553525

• 8653172

• 30713577

• 30713576

• 21678692

• 21673916

  

Aftermarket / Verified Equivalents:

  

• No direct aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• D3 coolant-temperature sensor replacement

• Water-outlet pipe service

• Exchange-long-block completion

  

Typically suits:

  

• Engine models / drive models:

• D3-110I-D / E / F / G / H

• D3-140A-D / E / F / G / H

• D3-140I-D / E / F / G / H

• D3-150I-D / E / F / G / H

• D3-170A-D / E / F / G / H

• D3-170I-D / E / F / G / H

• D3-200A-D / E / F / G / H

• D3-200I-D / E / F / G / H

• D3-220A-D / E / F / G / H

• D3-220I-D / E / F / G / H

  

• HP Range: Approximately 110HP - 220HP

• Engine Type: Volvo Penta later D3 inline 5-cylinder marine diesel

• Year Range: Approximately 2010 onward

• Serial Range: Water-outlet pipe and D3 generation controlled; confirm the engine suffix and serial number

  

🔌 Function

  

The sensor measures coolant temperature, the O-ring seals the sensor bore and the clip locks the sensor into the outlet pipe.

  

Common signs replacement or overhaul is required:

  

• Coolant temperature reading is implausible

• Coolant leaks around the sensor

• Sensor clip is corroded or missing

• Obsolete loose sensor 8653172 requires replacement

• Long-block outlet assembly is being completed

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 272.24 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 272.24 AUD | In stock |

## Images

- 21684636 Small Parts Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21684636-small-parts-kit-genuine-volvo-penta)
> Updated: 2026-07-29