# 3584403 Countershaft | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta countershaft for the 2.01:1 ratio, from the Marine Propulsion group. It weighs 15.006 kg and is listed for 20 applications across the D and HS series. The other 2.01:1 countershaft here, 3584402, weighs 7.882 kg.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D6-280I-D
-   Volvo Penta D6-310I-D
-   Volvo Penta D6-280I-E
-   Volvo Penta D6-310I-E
-   Volvo Penta D6-300I-F
-   Volvo Penta D6-330I-C
-   Volvo Penta D6-370I-C
-   Volvo Penta D6-330I-D
-   Volvo Penta D6-280I-C
-   Volvo Penta D6-310I-C
-   Volvo Penta HS80VE
-   Volvo Penta D6-330I-F
-   Volvo Penta D6-370I-F
-   Volvo Penta D6-435I-C
-   Volvo Penta D6-435I-D
-   Volvo Penta D6-435I-E
-   Volvo Penta D6-435I-F
-   Volvo Penta D6-370I-D
-   Volvo Penta D6-330I-E
-   Volvo Penta D6-370I-E

-   **Engine Family:** D, HS
-   **HP Range:** 280-435 HP

## ⚙️ Key Features

-   For the 2.01:1 ratio
-   15.006 kg - the heavier of the two 2.01:1 countershafts
-   20 applications across the D and HS series

## 🔌 Function

Carries the intermediate gears and passes drive through the gearbox at the 2.01:1 ratio.

## ⚠️ Common Signs of Failure

-   Whine or growl from the gearbox that varies with load
-   Splines or gear teeth worn, chipped or rounded
-   Bearing journals scored or discoloured
-   Play felt in the gear train
-   Bright metal in the transmission oil

## 🛠️ Service Notes

-   Ratio and applications are identical to 3584402, so the near two-to-one difference in weight is the only guide - identify the shaft off the unit before ordering
-   Renew the bearings and set the shim pack to specification when the shaft goes back

## 📦 Condition

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

## Details

- **Price:** 7287.07 AUD
- **Vendor:** Volvo Penta
- **Type:** Drives & Propulsion
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7287.07 AUD | In stock |

## Images

- 3584403 Countershaft | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3584403-countershaft-genuine-volvo-penta)
> Updated: 2026-10-08