# 21841181 Sensor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Manifold Absolute Pressure (MAP) Sensor - Part Number: 21841181

Manifold absolute pressure sensor for selected Volvo Penta V8 petrol engines. It measures intake-manifold pressure so the engine control module can calculate load, fuelling and ignition requirements.

  

⚙️ Key Features

• MAP/manifold-pressure measurement

• Factory ECM calibration

• Electronic engine-control input

• Used on V8-350, V8-380 and V8-430 packages

• Supports fuelling and ignition control

  

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21841181 (current OEM reference)

  

OEM / Related Numbers:

• 21841181

  

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

  

🚤 Compatibility

Commonly used on:

• Volvo Penta V8 petrol electronic engine control and intake system

  

Typically suits:

• Engine models:

• V8-350-CD, V8-350-CE-D, V8-380-CA, V8-380-CB, V8-380-CD, V8-380-CE-A

• V8-380-CE-B, V8-380-CE-D, V8-430-CE-D

• HP Range: 350HP - 430HP

• Engine Type: Electronic fuel-injected V8 petrol marine engine

• Serial Range: Confirm engine suffix and electrical connector

  

🔌 Function

Measures intake-manifold absolute pressure and sends the signal to the ECM for load calculation, fuel delivery and ignition timing.

  

Common signs of failure:

• Poor acceleration or reduced power

• Rich or lean running

• Hard starting or unstable idle

• MAP sensor circuit or plausibility fault

• Excess fuel consumption or black exhaust smoke

  

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 348.93 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 348.93 AUD | In stock |

## Images

- 21841181 Sensor | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21841181-sensor-genuine-volvo-penta)
> Updated: 2026-08-02