# 3885742 Rail | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta rail from the Fuel System group, for engines from serial number 2006010978 onwards. It weighs 3.740 kg and is listed for 71 applications across D series engines, and it supersedes part numbers 3584371 and 3588740.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 280-435 HP
-   **Serial Range:** SN2006010978-

Full model list at the end of this description.

## ⚙️ Key Features

-   For engines from serial number 2006010978 onwards
-   3.740 kg
-   Supersedes 3584371 and 3588740
-   71 applications on D series engines

## 🔌 Function

Holds fuel at injection pressure and distributes it to the injectors as they are commanded to open.

## ⚠️ Common Signs of Failure

-   Fuel weeping at a rail union or sensor seat
-   Rail pressure faults or a limp home condition
-   Rough running, hunting or a misfire under load
-   Diesel smell in the engine space
-   Union faces corroded or damaged on removal

## 🛠️ Service Notes

-   Check the engine serial number is 2006010978 or later before ordering, as earlier engines take a different rail
-   Work scrupulously clean on high pressure fuel components and cap every open union
-   High pressure fuel can inject through skin, so relieve the pressure and follow the manual procedure before opening any union

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3885742 → Supersedes 3584371

### OEM / Related Numbers

-   3588740 earlier number superseded by this part
-   3584371 earlier number superseded by this part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 D6-370A-C, D6-350A-A, D6-350A-B, D6-330A-D, D6-330D-E, D6-370D-E, D6-370D-B, D6-330D-B, D6-330A-F, D6-370A-F, D6-370D-A, D6-330D-C, D6-330A-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-330D-F, D6-370A-D, D6-330A-E, D6-370A-E, D6-370D-F, D6-330I-D, D6-310I-B, D6-280I-B, D6-280I-C, D6-280I-D, D6-280I-E, D6-435I-D, D6-280I-A, D6-310I-A, D6-300A-F, D6-300D-F, D6-300I-F, D6-310D-B, D6-310D-D, D6-310D-C, D6-310D-E, D6-370I-A, D6-370I-B, D6-330I-B, D6-330I-C, D6-370I-C, D6-370I-D, D6-310A-B, D6-280A-C, D6-310A-C, D6-310A-A, D6-280A-D, D6-310A-D, D6-280A-E, D6-310A-E, D6-310I-C, D6-280A-A, D6-280A-B, D6-330I-F, D6-370I-F, D6-400A-E, D6-435D-A, D6-435D-D, D6-435D-E, D6-435D-F, D6-435I-A, D6-435I-C, D6-435I-E, D6-400A-F, D6-435D-C, D6-435I-F, D6-330I-E, D6-370I-E, D6-330A-B, D6-370A-B

## Details

- **Price:** 6009.53 AUD
- **Vendor:** Volvo Penta
- **Type:** Fuel System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 6009.53 AUD | In stock |

## Images

- 3885742 Rail | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3885742-rail-genuine-volvo-penta)
> Updated: 2026-10-08