3584385 Countershaft | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta countershaft for the 1.57:1 ratio, from the Marine Propulsion group. It weighs 9.500 kg and is listed for 21 applications across the D and HS series.

🚤 Compatibility

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

Full model list at the end of this description.

⚙️ Key Features

• For the 1.57:1 ratio
• 9.500 kg
• 21 applications across the D and HS series

🔌 Function

Carries the intermediate gears and passes drive through the gearbox at the 1.57:1 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

• Two more countershafts sit in this range, both for the 2.01:1 ratio - 3584402 at 7.882 kg and 3584403 at 15.006 kg - so ratio and weight together decide the order
• Gear 3584384 is the matching 1.57:1 gear
• 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

🔎 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