8193837 Piston Pin | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta piston pin from the Engine group, weighing 1.644 kg and listed for 22 applications across the TD, TWD, TMD, TAMD and TAD series engines. It supersedes part number 479875 and is the heaviest of the six piston pins listed here.

🚤 Compatibility

• Engine Family: TD, TWD, TMD, TAMD, TAD

Full model list at the end of this description.

⚙️ Key Features

• 1.644 kg
• Supersedes 479875
• 22 applications across five engine series
• Heaviest of the six piston pins listed here

🔌 Function

Joins the piston to the connecting rod and carries the whole combustion load through to the rod's small end.

⚠️ Common Signs of Failure

• Piston slap or knock when cold, easing as the engine warms
• Pin surface scuffed or discoloured
• Loose fit in the piston or the small end bush when measured
• Circlip groove worn or the clip found displaced
• Debris in the oil after a pin or bush has broken up

🛠️ Service Notes

• Piston pins 8193836 at 1.554 kg and 8193838 at 1.514 kg supersede different earlier numbers, so match the engine rather than the look of the pin
• Fit the pin and piston as a matched pair to the clearance specified and use new retaining clips

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 8193837 → Supersedes 479875 → Supersedes 470842

OEM / Related Numbers

• 479875 earlier number superseded by this part
• 470842 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TWD1210G, TWD1210P, TWD1210PB, TWD1210V
• Volvo Penta TAMD122A, TAMD122A/C, TAMD122D
• Volvo Penta TD121G-87, TD121GP, TD121GPB
• Volvo Penta TWD1211V, TWD1211P, TWD1211G
• Volvo Penta TAD1230G, TAD1230V
• Volvo Penta TAD1231GE
• Volvo Penta TAD1232GE
• Volvo Penta TAMD121D
• Volvo Penta TD1210G
• Volvo Penta TMD121C
• Volvo Penta TMD122A
• Volvo Penta TWD1230ME