1300 02 081 0.10 mm Piston & Liner Shim
1300 02 081
Summary
Precision 0.10 mm thickness Piston & Liner Shim designed for FH12 heavy-duty engines. Features an outside diameter of 158.90 mm and an inside diameter of 152.10 mm to ensure accurate liner protrusion and optimal head gasket clamping load.
| EAN Code | 8699031003962 |
|---|
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Description
What does a Piston & Liner Shim do?
This Piston & Liner Shim is a decisive component used to bring liner protrusion in heavy-duty diesel engines into the precise target range. By fitting a shim of the correct thickness onto a clean surface, the head gasket can maintain a balanced clamping load, which is essential for preventing gas leaks and repeat gasket failures during engine operation.Compatible engines and dimensions
This specific component is compatible with FH12 engines. It features an outside diameter of 158.90 mm and an inside diameter of 152.10 mm, with a thickness of 0.10 mm, ensuring the cylinder liner seats correctly within the engine block.Installation and maintenance guidance
When performing installation, technicians should ensure all surfaces are thoroughly cleaned of gasket residue or corrosion to prevent false protrusion readings. It is vital to use a single shim of the correct grade rather than stacking multiple thin shims, as this maintains structural integrity under high combustion pressures.Protrusion and sealing importance
During maintenance, always measure each cylinder separately since block wear can vary across the engine. If the liner has been removed, ensure all lower sealing elements are renewed to prevent coolant from leaking into the crankcase.Technical Specifications
| Outside Diameter (D) | 158,90 mm |
|---|---|
| Inside Diameter (d) | 152,10 mm |
| Thickness (s) | 0,10 mm |
| Number of Packages | 10 |
| Application | FH12 |
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FAQ
What is the purpose of a piston and liner shim?
It is used to adjust the liner protrusion in heavy-duty diesel engines, ensuring the head gasket receives the correct clamping load to prevent leaks.
Which engine is this shim compatible with?
This specific 0.10 mm shim is designed for use in FH12 engines, featuring a 158.90 mm outside diameter.
Can I stack two thin shims to reach the required thickness?
No, you should always use a single shim of the correct thickness grade to ensure stability under high temperature and pressure.
Why is surface cleanliness important during installation?
Any residue or corrosion on the block shoulder can cause inaccurate protrusion measurements, leading to improper sealing.