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Timing Belt Tensioner Boot. Porsche 928 1983-95 - 92810555208
92810555208/1
Vehicle Group
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Information
Cam Belt Tensioner Boot
High-quality replacement boot for the cam belt tensioner, designed for Porsche 928 models.
This component forms part of the tensioner assembly and
protects the internal mechanism from dirt, moisture, and debris. It is
essential for maintaining correct tensioner operation and ensuring long-term
reliability of the timing belt system.
Fits:
- Porsche 928S 4.7L 1983
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 23
Model years 1983-1986 - Please compare the
rolling diaphragm with your old part, as there are different versions
Technical Specifications
• Height: approx. 18mm
• Outer diameter: approx. 49mm
• Inner diameter: approx. 20mm
As part of routine maintenance, the tensioner should be serviced and the boot replaced every time the timing belt is changed, helping to prevent premature wear and potential engine damage.
This boot provides precise fitment and durability—ideal for both scheduled servicing and full engine maintenance.
Key Features
• Cam belt tensioner protective boot
• Essential for timing belt service
• Protects tensioner internals from contamination
• Maintains correct tensioner function
• OEM-style fit and performance
• Durable construction for long-term reliability
Function and Purpose
This boot is a critical protective component within the timing system.
It helps to:
• Seal and protect the tensioner mechanism
• Prevent ingress of dirt and moisture
• Maintain smooth tensioner operation
• Support correct timing belt tension
Why Replace the Tensioner Boot
The boot is subject to heat and ageing within the engine bay.
Common issues include:
• Cracking or splitting
• Loss of sealing capability
• Contamination of tensioner components
• Reduced tensioner performance
Replacing the boot during timing belt service helps ensure reliable engine operation and longevity.
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Information
Drive belt tensioner roller.
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Click 'Zoom in' for large parts diagram.
Diagram ref no 19
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Click 'Zoom in' for large parts diagram.
Diagram ref no 19
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Information
Drive belt idler pulley.
with bolt and protective cap.
Fits:
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with bolt and protective cap.
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Porsche 981 Cayman GT4 2016
Porsche 718 (982) Boxster 2017-21
Porsche 718 (982) Cayman 2017-21
Porsche 95B.1 Macan 3.0L / 3.6L 2013-18
Material: Plastic
Outer Diameter: 70 mm
Pulley Surface Width: 26 mm
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
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Information
Drive belt tensioner lever bolt. M 10 X 30.
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Diagram ref no 20
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