A4 Quattro Wagon V6-2.8L (AHA) (1998)
Piston: Specifications
Piston and cylinder bore dimensions
Piston and cylinder bore dimensions
Reconditioning dimension
Piston Diameter
Cylinder Bore Diameter
Measure pistons approx. 10 mm (3/8 in) from bottom edge at
Caution: Do not measure cylinder bore dimensions while
right angle (90 degrees) to piston pin.
engine block is mounted on the engine stand. The cylinder
block is stressed and deformed by its own weights under
these conditions and the measurements will not be accurate.
Basic dimension
82.48 mm (3.247 in)
82.51 mm (3.2484 in)
1st oversize
82.74 mm (3.257 in)
82.76 mm (3.2578 in)
Deviation from nominal size
0.04 mm (0.0016 in)
0.08 mm (0.0031 in)