859879 Shim | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta shim from the Engine group, 3.38 mm thick and listed for 9 applications across the TMD, MS, TAMD and MD engine series. It is the thickest of the millimetre-marked steps in this listing group, which run from 3.38 mm here down to 2.29 mm at part number 859935, with four further steps catalogued in inches. The next step down is 859880 at 3.34 mm. Select this part on the measured or stamped thickness, which is the only figure that separates one step in this run from the next.

🚤 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

• 3.38 mm thick
• Thickest of the millimetre-marked steps listed here
• Next step down is 859880 at 3.34 mm
• 9 applications across TMD, MS, TAMD and MD engines
• Order by measured or stamped thickness
• TH=3.38mm (Volvo assembly listing)

🔌 Function

Adds a precise thickness of steel to the stack so a clearance can be brought to specification by selection rather than by machining or adjustment.

⚠️ Common Signs of Failure

• Clearance found outside specification at a routine check
• Noise from the assembly the shim sets, changing as the engine warms
• Shim face polished bright, dished or pitted on removal
• Measured thickness that has fallen below the marked figure
• Marking worn or corroded away so the step can no longer be read

🛠️ Service Notes

• Measure with a micrometer at more than one point rather than trusting the marking on a used shim
• Record the clearance measured before and after, so the next service knows which step is fitted

📦 Condition

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