# 23521143 Thermostat | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta thermostat from the Cooling System group, weighing 1.173 kg and listed for 115 V series applications. It consolidates four earlier valve references - 22553711, 23092915, 23092917 and 23092918.

## 🚤 Compatibility

-   **Engine Family:** V
-   **HP Range:** 200-430 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Thermostat from the Cooling System group
-   1.173 kg
-   Consolidates four earlier valve references - 22553711, 23092915, 23092917 and 23092918
-   Listed for 115 V series applications

## 🔌 Function

Controls coolant flow by temperature, holding coolant in the engine while it warms and opening once it is up to its working range.

## ⚠️ Common Signs of Failure

-   Engine running cold or slow to warm through
-   Overheating alarm under load
-   Coolant temperature swinging instead of holding steady
-   Thermostat found stuck part open or seized shut on strip-down
-   Corroded or scaled element and a perished seal

## 🛠️ Service Notes

-   Any of the four old valve numbers now lands on this part, so confirm the fitted item against the engine before ordering
-   Renew the seal with the thermostat and bleed the circuit after fitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   23521143 → Supersedes 22553711 → Supersedes 22452163

### OEM / Related Numbers

-   23092918 earlier number superseded by this part
-   23092917 earlier number superseded by this part
-   23092915 earlier number superseded by this part
-   22553711 earlier number superseded by this part
-   22452163 earlier number superseded by this part

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta V8-350-C-R, V8-350-CE-R, V8-380-C-R, V8-380-CE-R, V8-430-C-R, V8-300-C-M, V8-300-CE-M, V8-350-C-M, V8-350-CE-M, V8-300-C-N, V8-300-CE-N, V8-350-C-N, V8-350-CE-N, V8-380-C-M, V8-380-CE-M, V8-380-CE-J, V8-380-C-J, V8-430-CE-J, V8-430-C-J, V8-350-C-H, V8-350-CE-H, V8-350-C-J, V8-350-CE-J, V8-300-C-R, V8-300-CE-R, V8-430-CE-R, V8-430-C-M, V8-430-CE-M, V8-300-C-K, V8-300-CE-K, V8-350-C-K, V8-350-CE-K, V8-380-C-K, V8-380-CE-K, V8-430-C-K, V8-430-CE-K, V8-300-C-P, V8-300-CE-P, V8-350-C-P, V8-350-CE-P, V8-380-C-P, V8-380-CE-P, V8-430-C-P, V8-300-CE-G, V8-300-C-G, V8-300-C-H, V8-300-CE-H, V8-300-C-J, V8-300-CE-J, V8-350-C-G, V8-350-CE-G, V8-380-C-N, V8-380-CE-N, V8-430-C-N, V8-430-CE-N, V8-430-CE-P, V8-300-C-S, V8-300-CE-S, V8-350-C-S, V8-350-CE-S
-   Volvo Penta V6-200-N, V6-200-C-N, V6-200-CE-N, V6-240-M, V6-240-C-M, V6-240-CE-M, V6-280-M, V6-280-C-M, V6-280-CE-M, V6-280-J, V6-280-CE-J, V6-280-G, V6-280-C-G, V6-280-CE-G, V6-280-C-J, V6-240-N, V6-240-C-N, V6-240-CE-N, V6-280-N, V6-280-C-N, V6-240-CE-K, V6-280-CE-K, V6-200-P, V6-200-C-P, V6-200-CE-P, V6-250-P, V6-250-C-P, V6-250-CE-P, V6-280-P, V6-280-C-P, V6-280-CE-P, V6-200-C-G, V6-200-G, V6-200-J, V6-200-C-J, V6-280-CE-N, V6-200-M, V6-200-C-M, V6-250-O, V6-250-C-O, V6-250-CE-O, V6-240-C-G, V6-240-CE-G, V6-240-G, V6-240-J, V6-240-CE-J, V6-240-C-J, V6-200-R, V6-200-C-R, V6-250-R, V6-250-C-R, V6-250-CE-R, V6-280-R, V6-280-C-R, V6-280-CE-R

## Details

- **Price:** 400.35 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 400.35 AUD | In stock |

## Images

- 23521143 Thermostat | Genuine Volvo Penta Part
- 23521143 Thermostat | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23521143-thermostat-genuine-volvo-penta)
> Updated: 2026-10-12