Piston Dimensions & Clearances

1999 Volkswagen GTI (1J1) L4-2.0L (AEG)SECTION Piston Dimensions & Clearances


DIMENSIONS
Piston Diameter:
Standard:
Piston Size 82.465 mm (3.2466 inch) *
Bore Size 82.510 mm (3.2484 inch)
1st Oversize:
Piston Size 82.965 mm (3.2663 inch) *
Bore Size 83.010 mm (3.2681 inch)

NOTE: Dimension without graphite coating (thickness 0.02 mm). The graphite coating will wear away.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
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  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.