Piston Dimensions

WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

PISTON DIMENSIONS (ABA)

Engine code

Up To 07.95⁽¹⁾

08.95-07.96⁽²⁾

08.95 & Up⁽¹⁾

-a- - mm (in.)

20.1 (0.791)

-b₁ - - mm (in.)

5.5 (0.217)

-b₂ - - mm (in⁽²⁾)

n/a

7.1 (0.280)

n/a

Recess diameter -c- - mm (in.)

64.0 (2.520)

65.0 (2.559)

64.0 (2.520)

Pin bore diameter -d- - mm (in.)

21.0 (0.827)

⁽¹⁾	Flat-top piston with center combustion chamber recess

⁽²⁾	Stepped piston crown with valve relief, installed in some m.y. 1996 vehicles (w/phosphate coating, see PISTON AND CYLINDER DIMENSIONS MODELS UP TO 07.95 )

Fig 1: Identifying Piston Dimensions

Courtesy of VOLKSWAGEN OF AMERICA, INC.