22982954 Countershaft | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta countershaft from the Marine Propulsion group, listed for 42 applications across D series engines and HS gearboxes. Three countershafts in this group cover 5, 22 and 42 applications, so the fitment count and part number identify which applies.

🚤 Compatibility

• Engine Family: D, HS
• HP Range: 145-480 HP

Full model list at the end of this description.

⚙️ Key Features

• Countershaft, Marine Propulsion group
• Listed for 42 applications across D series engines and HS gearboxes
• The widest fitment of the three countershafts in this group, which cover 5, 22 and 42 applications

🔌 Function

Carries the intermediate gears in the gearbox, passing drive between the input and output shafts.

⚠️ Common Signs of Failure

• Gearbox whine or growl that varies with shaft speed
• Rough or notchy feel when the shaft is turned by hand
• Journals or splines scored, pitted or worn
• Metal debris in the gearbox oil or on the magnet
• Shaft found bent or with fretting at the bearing seats

🛠️ Service Notes

• Three countershafts share this group - 22982955 covers 22 applications and 22983522 covers five, so match the number to the gearbox
• Renew the shaft bearings and inspect the gears it carries at the same time

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D6-280I-D, D6-310I-D, D6-280I-E, D6-310I-E, D6-300I-F, D6-330I-C, D6-370I-C, D6-330I-D, D6-280I-C, D6-310I-C, D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300I-G, 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, D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-145I-G, D4-175 VG
• Volvo Penta HS80VE, HS80AE, HS80AE-B, HS80IVE-B
• Volvo Penta HS85AE