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