# 22982955 Countershaft | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta countershaft from the Marine Propulsion group, listed for 22 applications across D series engines and HS gearboxes.

## 🚤 Compatibility

-   **Engine Family:** D, HS
-   **HP Range:** 300-435 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Countershaft, Marine Propulsion group
-   Listed for 22 applications across D series engines and HS gearboxes
-   The middle fitment of the three countershafts in this group

## 🔌 Function

Supports the intermediate gear set in the gearbox and transmits drive between the input and output shafts.

## ⚠️ Common Signs of Failure

-   Rising whine or rumble from the gearbox under load
-   Play or roughness felt when the shaft is turned
-   Bearing seats worn or fretted
-   Splines or gear seats picked up and scored
-   Swarf and bright particles in the gearbox oil

## 🛠️ Service Notes

-   Countershafts 22982954 and 22983522 cover 42 and five applications respectively - the fitment and part number together identify which gearbox takes which
-   Fit new bearings whenever the shaft is disturbed and check endfloat on reassembly

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-310I-D, D6-310I-E, D6-300I-F, D6-330I-C, D6-370I-C, D6-330I-D, D6-310I-C, D6-330I-F, D6-370I-F, D6-435I-C, D6-435I-D, D6-435I-E, D6-435I-F, D6-370I-D, D6-330I-E, D6-370I-E
-   Volvo Penta D4-300I-C, D4-300I-D, D4-300I-E, D4-300I-F
-   Volvo Penta HS80AE, HS80AE-B

## Details

- **Price:** 5770.74 AUD
- **Vendor:** Volvo Penta
- **Type:** Transmission & Gearbox
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5770.74 AUD | In stock |

## Images

- 22982955 Countershaft | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/22982955-countershaft-genuine-volvo-penta)
> Updated: 2026-09-19