# 3812143 Injector | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta injector from the Fuel System group, weighing 0.150 kg and listed for 3 applications on D series engines. It supersedes part numbers 23420714 and 3803928, one of which was catalogued as a remanufactured unit injector.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D2-40
-   Volvo Penta D2-40B
-   Volvo Penta D2-40F

-   **Engine Family:** D
-   **HP Range:** 40 HP

## ⚙️ Key Features

-   0.150 kg
-   3 applications on D series engines
-   Supersedes 23420714 and 3803928
-   Consolidates a listing previously offered as a remanufactured unit injector
-   Also supersedes Volvo part number 3801849

## 🔌 Function

Meters and atomises fuel into the combustion chamber at high pressure and at the correct moment.

## ⚠️ Common Signs of Failure

-   Hard starting, especially cold, with white smoke
-   Knock or rattle from one cylinder
-   Black smoke and poor power under load
-   Rough idle that smooths when that cylinder is cut out
-   Diesel weeping around the injector, or carbon tracking on the nozzle

## 🛠️ Service Notes

-   One superseded number was published as a remanufactured unit injector, so confirm what condition is being supplied before ordering
-   Renew the injector seal or seat washer and any clamp fasteners at the same time
-   Change the fuel filters as well, since injector damage usually follows contamination

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3812143 → Supersedes 23420714

### OEM / Related Numbers

-   3803928 earlier number superseded by this part
-   23420714 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 436.43 AUD
- **Vendor:** Volvo Penta
- **Type:** Injectors & Injection
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 436.43 AUD | In stock |

## Images

- 3812143 Injector | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3812143-injector-genuine-volvo-penta)
> Updated: 2026-09-18