859904 Shim | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta shim from the Engine group, 3.07 mm thick and listed for 9 applications across the TMD, MS, TAMD and MD engine series. Its neighbours in the graded run are 859903 at 3.10 mm and 859905 at 3.05 mm. Selection is on measured thickness only; the published weights across this run do not track the steps.

🚤 Compatibility

Typically suits:

• Volvo Penta TMD22A
• Volvo Penta TMD22B
• Volvo Penta TMD22P-C
• Volvo Penta MS2B-A
• Volvo Penta TAMD22P-B
• Volvo Penta MD22
• Volvo Penta MD22A
• Volvo Penta MD22L
• Volvo Penta MD22P

• Engine Family: TMD, MS, TAMD, MD

⚙️ Key Features

• 3.07 mm thick
• Between 859903 (3.10 mm) and 859905 (3.05 mm)
• 9 applications across TMD, MS, TAMD and MD engines
• Ordered on thickness, not on mass
• TH=3.07mm (Volvo assembly listing)

🔌 Function

Sets a clearance to specification by contributing an exact, graded thickness to the stack.

⚠️ Common Signs of Failure

• Clearance drifting outside specification between services
• Noise from the assembly the shim sets, changing with temperature
• Polished or dished face on the removed shim
• Thickness measuring under the marked figure
• Marking worn away in service

🛠️ Service Notes

• Record which step came out of which position before cleaning — the shims are identical to the eye once the markings are dirty

📦 Condition

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