# 841178 Automatic Fuse | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta automatic fuse rated 40A, from the Cables and Fuses group, weighing 0.048 kg and listed for 102 applications across MD, TMD, AQ, AD, AQAD and BB series engines. It supersedes part number 835596.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, AQ, AD, AQAD, BB, TAMD, B, DP, SP, MS, AQD

Full model list at the end of this description.

## ⚙️ Key Features

-   Rated 40A
-   0.048 kg
-   102 applications across six engine series
-   Supersedes 835596

## 🔌 Function

Protects the circuit by tripping at 40A, and can be reset rather than replaced.

## ⚠️ Common Signs of Failure

-   Circuit dropping out under load
-   Breaker tripping again as soon as it is reset
-   Will not stay set, or feels slack
-   Body discoloured or smelling hot
-   Terminals corroded or running warm

## 🛠️ Service Notes

-   Rated at 40A - never substitute a higher rating, the wiring is sized around this figure
-   A breaker that keeps tripping is reporting a fault in the circuit, so find the fault first
-   Supersedes 835596

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   841178 → Supersedes 835596

### OEM / Related Numbers

-   835596 earlier number superseded by this part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 740B, 500A, 501A, 501B, 570A, 572A, 430A, 430B, 431A, 431B, 432A, 434A, 230A, 230B, 250A, 250B, 251A, 570, 500B, 571A, 430
-   Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-A, DP-A2
-   Volvo Penta B230, B230E, B230F, B230FB, B230FX
-   Volvo Penta AQ131A, AQ131B, AQ131C, AQ131D
-   Volvo Penta AQ225D, AQ225E, AQ225C, AQ225F
-   Volvo Penta AQ271A, AQ271C, AQ271B, AQ271D
-   Volvo Penta BB225A, BB225AV, BB225B, BB225C
-   Volvo Penta AQ151A, AQ151B, AQ151C
-   Volvo Penta AQ200D, AQ200C, AQ200F
-   Volvo Penta BB260AV, BB260B, BB260C
-   Volvo Penta SP-C, SP-A2, SP-C1
-   Volvo Penta TMD40A, TMD40B, TMD40C
-   Volvo Penta AQ125B, AQ125A
-   Volvo Penta AQ145B, AQ145A
-   Volvo Penta AQ171A, AQ171C
-   Volvo Penta AQ231A, AQ231B
-   Volvo Penta AQ255A, AQ255B
-   Volvo Penta AQ260A, AQ260B
-   Volvo Penta AQ311A, AQ311B
-   Volvo Penta AQAD40B, AQAD40A
-   Volvo Penta TAMD40A, TAMD40B
-   Volvo Penta AD30A
-   Volvo Penta AD40B
-   Volvo Penta AQ120B
-   Volvo Penta AQ140A
-   Volvo Penta AQ175A
-   Volvo Penta AQ190A
-   Volvo Penta AQ205A
-   Volvo Penta AQ211A
-   Volvo Penta AQ240A
-   Volvo Penta AQ290A
-   Volvo Penta AQAD30A
-   Volvo Penta AQD40A
-   Volvo Penta BB140A
-   Volvo Penta BB145A
-   Volvo Penta BB231A
-   Volvo Penta BB261A
-   Volvo Penta MD30A
-   Volvo Penta MD40A
-   Volvo Penta MS4B
-   Volvo Penta TAMD30A
-   Volvo Penta TMD30A

## Details

- **Price:** 162.26 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 162.26 AUD | In stock |

## Images

- 841178 Automatic Fuse | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/841178-automatic-fuse-genuine-volvo-penta)
> Updated: 2026-08-22